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    <title>topic Re: tee /sys/class/scsi_host builds up in HPE Morpheus VM Essentials Software</title>
    <link>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270821#M2572</link>
    <description>&lt;P&gt;Good morning,&lt;BR /&gt;&lt;BR /&gt;We have the same issue with 2 customers.&lt;/P&gt;&lt;P&gt;Both customers are using the following kernel (all hosts are updated with apt update &amp;amp;&amp;amp; apt upgrade):&lt;BR /&gt;&lt;BR /&gt;&lt;/P&gt;&lt;P&gt;6.8.0-117-generic&lt;/P&gt;&lt;P&gt;Both are also using the smartpqi driver:&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;version: 2.1.26-030&lt;BR /&gt;description: Driver for Microchip Smart Family Controller version 2.1.26-030&lt;BR /&gt;srcversion: 4E3F014CA5DB70DCF642B3B&lt;BR /&gt;vermagic: 6.8.0-117-generic SMP preempt mod_unload modversions&lt;BR /&gt;&lt;BR /&gt;1 customer is a GFS2 2-node cluster with a SAS attached MSA2070&lt;BR /&gt;1 customer is a single node with local storage.&lt;/P&gt;&lt;P&gt;Another customer that is using the megaraid_sas driver does not have this issue.&lt;BR /&gt;&lt;BR /&gt;I have now created a ticket for both.&lt;BR /&gt;&lt;BR /&gt;&lt;/P&gt;</description>
    <pubDate>Tue, 28 Jul 2026 09:06:55 GMT</pubDate>
    <dc:creator>DavidL1987</dc:creator>
    <dc:date>2026-07-28T09:06:55Z</dc:date>
    <item>
      <title>tee /sys/class/scsi_host builds up</title>
      <link>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270363#M2502</link>
      <description>&lt;P&gt;Hello,&lt;/P&gt;&lt;P&gt;We are now running an internal PoC and I've found the nodes to run 'tee' every 2 minutes. They are never finished and piling up, increasing load to 1000s after a few days and blocking reboots since even kill -9 does not kill them. Is it a known problem? I've seen it with 8.1.2 and now with 9.0 as well.&lt;/P&gt;&lt;P&gt;&lt;FONT face="courier new,courier"&gt;root 223698 223690 0 08:08 ? 00:00:00 sudo tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 223699 223698 0 08:08 ? 00:00:00 tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 224170 224162 0 08:10 ? 00:00:00 sudo tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 224171 224170 0 08:10 ? 00:00:00 tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 224792 224784 0 08:12 ? 00:00:00 sudo tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 224793 224792 0 08:12 ? 00:00:00 tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 225266 225258 0 08:14 ? 00:00:00 sudo tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 225267 225266 0 08:14 ? 00:00:00 tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 225733 225725 0 08:17 ? 00:00:00 sudo tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 225734 225733 0 08:17 ? 00:00:00 tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 226209 226201 0 08:19 ? 00:00:00 sudo tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 226210 226209 0 08:19 ? 00:00:00 tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 226692 226684 0 08:21 ? 00:00:00 sudo tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 226693 226692 0 08:21 ? 00:00:00 tee /sys/class/scsi_host/host1/scan&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root 227279 19366 0 08:22 pts/1 00:00:00 grep --color=auto tee&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;root@chdc2hvm01:/home/superuser# ps -ef|grep tee|wc -l&lt;/FONT&gt;&lt;BR /&gt;&lt;FONT face="courier new,courier"&gt;805&lt;/FONT&gt;&lt;/P&gt;</description>
      <pubDate>Fri, 17 Jul 2026 07:21:26 GMT</pubDate>
      <guid>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270363#M2502</guid>
      <dc:creator>JS75</dc:creator>
      <dc:date>2026-07-17T07:21:26Z</dc:date>
    </item>
    <item>
      <title>Re: tee /sys/class/scsi_host builds up</title>
      <link>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270425#M2511</link>
      <description>&lt;P&gt;I’ve seen something intermittent in the past.&lt;BR /&gt;Can you please check the kernel version in the hosts using “uname -a”?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;It might also be worth it updating the packages in the host by running:&lt;/P&gt;&lt;P&gt;sudo apt update&lt;/P&gt;&lt;P&gt;sudo apt upgrade&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 20 Jul 2026 15:28:51 GMT</pubDate>
      <guid>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270425#M2511</guid>
      <dc:creator>DiegoDelgado</dc:creator>
      <dc:date>2026-07-20T15:28:51Z</dc:date>
    </item>
    <item>
      <title>Re: tee /sys/class/scsi_host builds up</title>
      <link>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270821#M2572</link>
      <description>&lt;P&gt;Good morning,&lt;BR /&gt;&lt;BR /&gt;We have the same issue with 2 customers.&lt;/P&gt;&lt;P&gt;Both customers are using the following kernel (all hosts are updated with apt update &amp;amp;&amp;amp; apt upgrade):&lt;BR /&gt;&lt;BR /&gt;&lt;/P&gt;&lt;P&gt;6.8.0-117-generic&lt;/P&gt;&lt;P&gt;Both are also using the smartpqi driver:&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;version: 2.1.26-030&lt;BR /&gt;description: Driver for Microchip Smart Family Controller version 2.1.26-030&lt;BR /&gt;srcversion: 4E3F014CA5DB70DCF642B3B&lt;BR /&gt;vermagic: 6.8.0-117-generic SMP preempt mod_unload modversions&lt;BR /&gt;&lt;BR /&gt;1 customer is a GFS2 2-node cluster with a SAS attached MSA2070&lt;BR /&gt;1 customer is a single node with local storage.&lt;/P&gt;&lt;P&gt;Another customer that is using the megaraid_sas driver does not have this issue.&lt;BR /&gt;&lt;BR /&gt;I have now created a ticket for both.&lt;BR /&gt;&lt;BR /&gt;&lt;/P&gt;</description>
      <pubDate>Tue, 28 Jul 2026 09:06:55 GMT</pubDate>
      <guid>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270821#M2572</guid>
      <dc:creator>DavidL1987</dc:creator>
      <dc:date>2026-07-28T09:06:55Z</dc:date>
    </item>
    <item>
      <title>Ynt: tee /sys/class/scsi_host builds up</title>
      <link>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270827#M2573</link>
      <description>&lt;P&gt;Hello,&lt;/P&gt;&lt;P&gt;The following command is normally used to trigger a SCSI bus rescan and discover new LUNs;&lt;/P&gt;&lt;P&gt;echo "- - -" | sudo tee /sys/class/scsi_host/host1/scan&lt;/P&gt;&lt;P&gt;In this case, the SCSI scan appears to become blocked inside the kernel or storage driver. The tee process is therefore likely entering an uninterruptible sleep state (D state). Processes in this state cannot be terminated with kill -9 until the underlying kernel operation returns.&lt;/P&gt;&lt;P&gt;Since another scan is initiated approximately every two minutes, the blocked processes continue to accumulate. This also explains the extremely high load average, as uninterruptible I/O processes are included in the Linux load calculation.&lt;/P&gt;&lt;P&gt;Similar behavior has been reported on VM Essentials 8.1.x and 9.0, including HPE Support Case 5402620210. Recent reports show a&lt;/P&gt;&lt;P&gt;possible correlation with;&lt;/P&gt;&lt;P&gt;Kernel: 6.8.0-117-generic&lt;BR /&gt;Driver: smartpqi 2.1.26-030&lt;BR /&gt;Smart Array/local storage and SAS-attached MSA environments&lt;/P&gt;&lt;P&gt;A comparable environment using the megaraid_sas driver reportedly did not experience the issue. However, this correlation has not yet been published as a confirmed root cause by HPE.&lt;/P&gt;&lt;P&gt;Could you please collect the following outputs from an affected host?&lt;/P&gt;&lt;P&gt;uname -a&lt;/P&gt;&lt;P&gt;cat /sys/class/scsi_host/host1/proc_name&lt;/P&gt;&lt;P&gt;readlink -f /sys/class/scsi_host/host1/device/driver&lt;/P&gt;&lt;P&gt;modinfo smartpqi | egrep "filename|version|srcversion|vermagic"&lt;/P&gt;&lt;P&gt;lspci -nnk | grep -A4 -Ei "RAID|SAS|SCSI"&lt;/P&gt;&lt;P&gt;ps -eo pid,ppid,stat,wchan:40,etime,cmd | grep -E "tee|scsi_host"&lt;/P&gt;&lt;P&gt;pstree -aps &amp;lt;TEE_PID&amp;gt;&lt;/P&gt;&lt;P&gt;sudo cat /proc/&amp;lt;TEE_PID&amp;gt;/stack&lt;/P&gt;&lt;P&gt;sudo journalctl -k -b | egrep -i \&lt;BR /&gt;"smartpqi|scsi|timeout|reset|abort|blocked|hung|I/O error"&lt;/P&gt;&lt;P&gt;In particular, please check whether the tee processes are in D state and whether their kernel stacks contain scsi_scan, smartpqi, or pqi functions.&lt;/P&gt;&lt;P&gt;As immediate precautions, we recommend;&lt;/P&gt;&lt;P&gt;Do not initiate any additional manual SCSI scans.&lt;BR /&gt;Identify the process or HVM Agent task launching the scan by checking its parent process.&lt;BR /&gt;Do not stop or disable the HVM Agent without HPE guidance, as this may affect management and HA functions.&lt;BR /&gt;If a reboot is required, migrate or safely shut down the workloads and place the host into maintenance mode first.&lt;BR /&gt;Open an HPE support case and reference the similar case 5402620210.&lt;BR /&gt;Ask HPE whether the VM Essentials v9.0.0_2 hotfix includes a correction for this issue.&lt;BR /&gt;Update the kernel, smartpqi driver, or controller firmware only after confirming compatibility with the installed VM Essentials version.&lt;/P&gt;&lt;P&gt;Based on the available evidence, this should be investigated as a possible smartpqi/kernel-level SCSI scan issue. The accumulating tee processes appear to be a symptom rather than the actual cause.&lt;/P&gt;</description>
      <pubDate>Tue, 28 Jul 2026 10:22:54 GMT</pubDate>
      <guid>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270827#M2573</guid>
      <dc:creator>duru19</dc:creator>
      <dc:date>2026-07-28T10:22:54Z</dc:date>
    </item>
    <item>
      <title>Ynt: tee /sys/class/scsi_host builds up</title>
      <link>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270832#M2574</link>
      <description>&lt;P&gt;Good afternoon,&lt;/P&gt;&lt;P&gt;Below is the output of the requested commands. I'm also going to add the mentioned casenumber and potential hotfix to the support case I have running. Some commands I have cropped the output due to the character limit.&lt;BR /&gt;&lt;BR /&gt;&lt;/P&gt;&lt;DIV&gt;uname -a&lt;/DIV&gt;&lt;DIV&gt;Linux fs-hvm-01-26 6.8.0-117-generic #117-Ubuntu SMP PREEMPT_DYNAMIC Tue May&amp;nbsp; 5 19:26:24 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;&lt;DIV&gt;cat /sys/class/scsi_host/host0/proc_name&lt;/DIV&gt;&lt;DIV&gt;smartpqi&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;&lt;DIV&gt;readlink -f /sys/class/scsi_host/host0/device/driver&lt;/DIV&gt;&lt;DIV&gt;/sys/devices/pci0000:b0/0000:b0:00.0/0000:b1:00.0/host0/driver&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;&lt;DIV&gt;modinfo smartpqi | egrep "filename|version|srcversion|vermagic"&lt;/DIV&gt;&lt;DIV&gt;filename:&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;/lib/modules/6.8.0-117-generic/kernel/drivers/scsi/smartpqi/smartpqi.ko.zst&lt;/DIV&gt;&lt;DIV&gt;version:&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 2.1.26-030&lt;/DIV&gt;&lt;DIV&gt;description:&amp;nbsp; &amp;nbsp; Driver for Microchip Smart Family Controller version 2.1.26-030&lt;/DIV&gt;&lt;DIV&gt;srcversion:&amp;nbsp; &amp;nbsp; &amp;nbsp;4E3F014CA5DB70DCF642B3B&lt;/DIV&gt;&lt;DIV&gt;vermagic:&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;6.8.0-117-generic SMP preempt mod_unload modversions&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;&lt;DIV&gt;lspci -nnk | grep -A4 -Ei "RAID|SAS|SCSI"&lt;/DIV&gt;&lt;DIV&gt;b1:00.0 Serial Attached SCSI controller [0107]: Adaptec Smart Storage PQI SAS [9005:028f] (rev 01)&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; DeviceName: Embedded RAID 1&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Subsystem: Hewlett-Packard Company Smart Array P408i-a SR Gen10 [103c:0602]&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Kernel driver in use: smartpqi&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Kernel modules: smartpqi&lt;/DIV&gt;&lt;DIV&gt;b2:00.0 Ethernet controller [0200]: Intel Corporation I350 Gigabit Network Connection [8086:1521] (rev 01)&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;&lt;DIV&gt;ps -eo pid,ppid,stat,wchan:40,etime,cmd | grep -E "tee|scsi_host"&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp; &amp;nbsp;8833&amp;nbsp; &amp;nbsp; 8828 S&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;1-10:29:21 sudo tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp; &amp;nbsp;8834&amp;nbsp; &amp;nbsp; 8833 R&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;1-10:29:21 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;946021&amp;nbsp; 946020 D&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;01:19:55 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;949119&amp;nbsp; 949114 S&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;01:13:25 sudo tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;949120&amp;nbsp; 949119 D&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;01:13:25 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;952178&amp;nbsp; 952173 S&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;01:06:55 sudo tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;952179&amp;nbsp; 952178 D&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;01:06:55 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;955035&amp;nbsp; 955030 S&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;01:00:25 sudo tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;955036&amp;nbsp; 955035 D&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;01:00:25 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;958027&amp;nbsp; 958022 S&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 53:55 sudo tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;958028&amp;nbsp; 958027 D&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 53:55 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;961086&amp;nbsp; 961081 S&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 47:25 sudo tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;961087&amp;nbsp; 961086 D&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 47:25 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;963944&amp;nbsp; 963939 S&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 40:54 sudo tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;963947&amp;nbsp; 963944 D&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 40:54 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;967010&amp;nbsp; 967005 S&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 34:24 sudo tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;967011&amp;nbsp; 967010 D&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 34:24 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;969950&amp;nbsp; 969945 S&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 27:54 sudo tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;969951&amp;nbsp; 969950 D&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 27:54 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;972864&amp;nbsp; 972859 S&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 21:24 sudo tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;972865&amp;nbsp; 972864 D&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 21:24 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;975877&amp;nbsp; 975872 S&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 14:54 sudo tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;975878&amp;nbsp; 975877 D&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 14:54 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;979260&amp;nbsp; 979255 S&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 08:24 sudo tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;979261&amp;nbsp; 979260 D&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 08:24 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;982204&amp;nbsp; 982199 S&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 01:54 sudo tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;982205&amp;nbsp; 982204 D&amp;nbsp; &amp;nbsp; -&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 01:54 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;983458&amp;nbsp; 980595 S+&amp;nbsp; &amp;nbsp;pipe_read&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 00:00 grep --color=auto -E tee|scsi_host&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;&lt;DIV&gt;pstree -aps 8834&lt;/DIV&gt;&lt;DIV&gt;systemd,1 ---&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp; └─bash,8828 -l&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; └─sudo,8833 tee /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; └─tee,8834 /sys/class/scsi_host/host0/scan&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;sudo cat /proc/PID/stack&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;&lt;DIV&gt;no output for 8834&lt;/DIV&gt;&lt;DIV&gt;Below output for 8833&lt;/DIV&gt;&lt;DIV&gt;[&amp;lt;0&amp;gt;] do_poll.constprop.0+0x319/0x3c0&lt;/DIV&gt;&lt;DIV&gt;[&amp;lt;0&amp;gt;] do_sys_poll+0x1ef/0x290&lt;/DIV&gt;&lt;DIV&gt;[&amp;lt;0&amp;gt;] __x64_sys_ppoll+0xde/0x170&lt;/DIV&gt;&lt;DIV&gt;[&amp;lt;0&amp;gt;] x64_sys_call+0x2343/0x25a0&lt;/DIV&gt;&lt;DIV&gt;[&amp;lt;0&amp;gt;] do_syscall_64+0x7f/0x180&lt;/DIV&gt;&lt;DIV&gt;[&amp;lt;0&amp;gt;] entry_SYSCALL_64_after_hwframe+0x78/0x80&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;&lt;DIV&gt;sudo journalctl -k -b | egrep -i \&lt;/DIV&gt;&lt;DIV&gt;"smartpqi|scsi|timeout|reset|abort|blocked|hung|I/O error"&lt;/DIV&gt;&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: SCSI subsystem initialized&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243)&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: Microchip SmartPQI Driver (v2.1.26-030)&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: Microchip Smart Family Controller found&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: enabling device (0140 -&amp;gt; 0142)&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: Online Firmware Activation not supported by controller&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: Maximum Known Feature not supported by controller&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: RAID 0 Read Bypass not supported by controller&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: RAID 1 Read Bypass not supported by controller&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: RAID 5 Read Bypass not supported by controller&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: RAID 6 Read Bypass not supported by controller&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: RAID 0 Write Bypass not supported by controller&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: RAID 1 Write Bypass not supported by controller&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: RAID 5 Write Bypass not supported by controller&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: RAID 6 Write Bypass not supported by controller&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: RAID Bypass on encrypted logical volumes on NVMe not supported by controller&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: RPL Extended Formats 4 and 5 not supported by controller&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: Serial Management Protocol enabled&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: New Soft Reset Handshake enabled&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: RAID IU Timeout enabled&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: TMF IU Timeout enabled&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: Firmware Triage enabled&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: Multi-LUN Target enabled&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: scsi host0: smartpqi&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: Firmware version: 8.00&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: scsi 0:0:0:0: Enclosure&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;HPE&amp;nbsp; &amp;nbsp; &amp;nbsp; Smart Adapter&amp;nbsp; &amp;nbsp; 8.00 PQ: 0 ANSI: 5&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: scsi host1: usb-storage 3-4:1.0&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: scsi 0:0:0:0: Attached scsi generic sg0 type 13&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: added 0:0:0:0 51402ec0167a27a80000000000000000 Enclosure&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;HPE&amp;nbsp; &amp;nbsp; &amp;nbsp; Smart Adapter&amp;nbsp; &amp;nbsp; AIO-&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: scsi 0:1:0:0: Direct-Access&amp;nbsp; &amp;nbsp; &amp;nbsp;HPE&amp;nbsp; &amp;nbsp; &amp;nbsp; LOGICAL VOLUME&amp;nbsp; &amp;nbsp;8.00 PQ: 0 ANSI: 5&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: sd 0:1:0:0: Attached scsi generic sg1 type 0&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: added 0:1:0:0 4000000000000000 Direct-Access&amp;nbsp; &amp;nbsp; &amp;nbsp;HPE&amp;nbsp; &amp;nbsp; &amp;nbsp; LOGICAL VOLUME&amp;nbsp; &amp;nbsp;SSDSmartPathCap+ En+ RAID-1(1+0)&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: scsi 0:1:0:1: Direct-Access&amp;nbsp; &amp;nbsp; &amp;nbsp;HPE&amp;nbsp; &amp;nbsp; &amp;nbsp; LOGICAL VOLUME&amp;nbsp; &amp;nbsp;8.00 PQ: 0 ANSI: 5&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: sd 0:1:0:0: [sda] Attached SCSI disk&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: scsi 1:0:0:0: Direct-Access&amp;nbsp; &amp;nbsp; &amp;nbsp;Generic- SD/MMC CRW&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;1.00 PQ: 0 ANSI: 6&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: sd 1:0:0:0: Attached scsi generic sg2 type 0&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: sd 1:0:0:0: [sdb] Attached SCSI removable disk&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: sd 0:1:0:1: Attached scsi generic sg3 type 0&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: added 0:1:0:1 4000000100000000 Direct-Access&amp;nbsp; &amp;nbsp; &amp;nbsp;HPE&amp;nbsp; &amp;nbsp; &amp;nbsp; LOGICAL VOLUME&amp;nbsp; &amp;nbsp;SSDSmartPathCap- En- RAID-5&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: scsi 0:2:0:0: RAID&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; HPE&amp;nbsp; &amp;nbsp; &amp;nbsp; P408i-a SR Gen10 8.00 PQ: 0 ANSI: 5&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: sd 0:1:0:1: [sdc] Attached SCSI disk&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: scsi 0:2:0:0: Attached scsi generic sg4 type 12&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:08 fs-hvm-01-26 kernel: smartpqi 0000:b1:00.0: added 0:2:0:0 0000000000000000 RAID&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; HPE&amp;nbsp; &amp;nbsp; &amp;nbsp; P408i-a SR Gen10&lt;/DIV&gt;&lt;DIV&gt;Jul 26 17:56:10 fs-hvm-01-26 kernel: Timeout policy base is empty&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:22:40 fs-hvm-01-26 kernel: INFO: task tee:11915 blocked for more than 122 seconds.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:22:40 fs-hvm-01-26 kernel: "echo 0 &amp;gt; /proc/sys/kernel/hung_task_timeout_secs" disables this message.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:22:40 fs-hvm-01-26 kernel:&amp;nbsp; scsi_scan_target+0x70/0x100&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:22:40 fs-hvm-01-26 kernel:&amp;nbsp; scan_channel_zero+0x8c/0x90 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:22:40 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x76/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:24:43 fs-hvm-01-26 kernel: INFO: task tee:11915 blocked for more than 245 seconds.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:24:43 fs-hvm-01-26 kernel: "echo 0 &amp;gt; /proc/sys/kernel/hung_task_timeout_secs" disables this message.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:24:43 fs-hvm-01-26 kernel:&amp;nbsp; scsi_scan_target+0x70/0x100&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:24:43 fs-hvm-01-26 kernel:&amp;nbsp; scan_channel_zero+0x8c/0x90 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:24:43 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x76/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:26:45 fs-hvm-01-26 kernel: INFO: task tee:11915 blocked for more than 368 seconds.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:26:45 fs-hvm-01-26 kernel: "echo 0 &amp;gt; /proc/sys/kernel/hung_task_timeout_secs" disables this message.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:26:45 fs-hvm-01-26 kernel:&amp;nbsp; scsi_scan_target+0x70/0x100&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:26:45 fs-hvm-01-26 kernel:&amp;nbsp; scan_channel_zero+0x8c/0x90 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:26:45 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x76/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:28:48 fs-hvm-01-26 kernel: INFO: task tee:11915 blocked for more than 491 seconds.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:28:48 fs-hvm-01-26 kernel: "echo 0 &amp;gt; /proc/sys/kernel/hung_task_timeout_secs" disables this message.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:28:48 fs-hvm-01-26 kernel:&amp;nbsp; scsi_scan_target+0x70/0x100&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:28:48 fs-hvm-01-26 kernel:&amp;nbsp; scan_channel_zero+0x8c/0x90 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:28:48 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x76/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:28:48 fs-hvm-01-26 kernel: INFO: task tee:15046 blocked for more than 122 seconds.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:28:48 fs-hvm-01-26 kernel: "echo 0 &amp;gt; /proc/sys/kernel/hung_task_timeout_secs" disables this message.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:28:48 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:30:51 fs-hvm-01-26 kernel: INFO: task tee:11915 blocked for more than 614 seconds.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:30:51 fs-hvm-01-26 kernel: "echo 0 &amp;gt; /proc/sys/kernel/hung_task_timeout_secs" disables this message.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:30:51 fs-hvm-01-26 kernel:&amp;nbsp; scsi_scan_target+0x70/0x100&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:30:51 fs-hvm-01-26 kernel:&amp;nbsp; scan_channel_zero+0x8c/0x90 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:30:51 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x76/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:30:51 fs-hvm-01-26 kernel: INFO: task tee:15046 blocked for more than 245 seconds.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:30:51 fs-hvm-01-26 kernel: "echo 0 &amp;gt; /proc/sys/kernel/hung_task_timeout_secs" disables this message.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:30:51 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:32:54 fs-hvm-01-26 kernel: INFO: task tee:11915 blocked for more than 737 seconds.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:32:54 fs-hvm-01-26 kernel: "echo 0 &amp;gt; /proc/sys/kernel/hung_task_timeout_secs" disables this message.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:32:54 fs-hvm-01-26 kernel:&amp;nbsp; scsi_scan_target+0x70/0x100&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:32:54 fs-hvm-01-26 kernel:&amp;nbsp; scan_channel_zero+0x8c/0x90 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:32:54 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x76/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:32:54 fs-hvm-01-26 kernel: INFO: task tee:15046 blocked for more than 368 seconds.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:32:54 fs-hvm-01-26 kernel: "echo 0 &amp;gt; /proc/sys/kernel/hung_task_timeout_secs" disables this message.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:32:54 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:34:57 fs-hvm-01-26 kernel: INFO: task tee:11915 blocked for more than 860 seconds.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:34:57 fs-hvm-01-26 kernel: "echo 0 &amp;gt; /proc/sys/kernel/hung_task_timeout_secs" disables this message.&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:34:57 fs-hvm-01-26 kernel:&amp;nbsp; scsi_scan_target+0x70/0x100&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:34:57 fs-hvm-01-26 kernel:&amp;nbsp; scan_channel_zero+0x8c/0x90 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:34:57 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x76/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 26 18:34:57 fs-hvm-01-26 kernel: Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel: sysrq: Show Blocked State&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; scsi_scan_target+0x70/0x100&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; scan_channel_zero+0x8c/0x90 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x76/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 01:59:58 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_timeout+0x95/0x170&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; ? __pfx_process_timeout+0x10/0x10&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel: task:khungtaskd&amp;nbsp; &amp;nbsp; &amp;nbsp; state:S stack:0&amp;nbsp; &amp;nbsp; &amp;nbsp;pid:114&amp;nbsp; &amp;nbsp;tgid:114&amp;nbsp; &amp;nbsp;ppid:2&amp;nbsp; &amp;nbsp; &amp;nbsp; flags:0x00004000&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_timeout+0x95/0x170&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; ? __pfx_process_timeout+0x10/0x10&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_timeout_interruptible+0x1e/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_timeout+0x95/0x170&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; ? __pfx_process_timeout+0x10/0x10&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_timeout+0x95/0x170&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; ? __pfx_process_timeout+0x10/0x10&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_timeout+0x95/0x170&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; ? __pfx_process_timeout+0x10/0x10&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel: task:scsi_eh_0&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;state:S stack:0&amp;nbsp; &amp;nbsp; &amp;nbsp;pid:291&amp;nbsp; &amp;nbsp;tgid:291&amp;nbsp; &amp;nbsp;ppid:2&amp;nbsp; &amp;nbsp; &amp;nbsp; flags:0x00004000&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; ? __pfx_scsi_error_handler+0x10/0x10&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; scsi_error_handler+0xd6/0x1f0&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel: task:kworker/R-scsi_ state:I stack:0&amp;nbsp; &amp;nbsp; &amp;nbsp;pid:292&amp;nbsp; &amp;nbsp;tgid:292&amp;nbsp; &amp;nbsp;ppid:2&amp;nbsp; &amp;nbsp; &amp;nbsp; flags:0x00004000&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel: task:scsi_eh_1&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;state:S stack:0&amp;nbsp; &amp;nbsp; &amp;nbsp;pid:293&amp;nbsp; &amp;nbsp;tgid:293&amp;nbsp; &amp;nbsp;ppid:2&amp;nbsp; &amp;nbsp; &amp;nbsp; flags:0x00004000&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; ? __pfx_scsi_error_handler+0x10/0x10&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; scsi_error_handler+0xd6/0x1f0&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel: task:kworker/R-scsi_ state:I stack:0&amp;nbsp; &amp;nbsp; &amp;nbsp;pid:294&amp;nbsp; &amp;nbsp;tgid:294&amp;nbsp; &amp;nbsp;ppid:2&amp;nbsp; &amp;nbsp; &amp;nbsp; flags:0x00004000&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_timeout+0x157/0x170&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0xe2/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_timeout+0x157/0x170&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_timeout+0x157/0x170&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; ? __update_blocked_fair+0xa4/0x600&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_timeout+0x95/0x170&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; ? __pfx_process_timeout+0x10/0x10&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_timeout+0x95/0x170&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; ? __set_task_blocked+0x29/0x80&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; ? __scsi_scan_target+0x103/0x240&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; ? scsi_scan_host_selected+0x153/0x160&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range_clock+0x132/0x140&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; sas_user_scan+0x68/0x100 [scsi_transport_sas]&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; schedule_hrtimeout_range+0x13/0x30&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; S&amp;nbsp; &amp;nbsp; &amp;nbsp;khungtaskd&amp;nbsp; &amp;nbsp;114&amp;nbsp; &amp;nbsp;7248790.134464 E&amp;nbsp; &amp;nbsp;7248792.804165&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;2.800000&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 24.091948&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;238&amp;nbsp; &amp;nbsp;120&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.000000&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 24.091948&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.000000&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.000000 0 0 /&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; Ikworker/R-scsi_&amp;nbsp; &amp;nbsp;292&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 13.860366 E&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 13.892656&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;2.800000&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.007167&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;2&amp;nbsp; &amp;nbsp;100&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.000000&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.007167&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.000000&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.000000 0 0 /&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; Ikworker/R-scsi_&amp;nbsp; &amp;nbsp;294&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 62.211450 E&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 62.243740&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;2.800000&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.007294&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;2&amp;nbsp; &amp;nbsp;100&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.000000&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.007294&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.000000&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.000000 0 0 /&lt;/DIV&gt;&lt;DIV&gt;Jul 27 02:00:03 fs-hvm-01-26 kernel:&amp;nbsp; S&amp;nbsp; &amp;nbsp; &amp;nbsp; scsi_eh_0&amp;nbsp; &amp;nbsp;291&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 51.101472 E&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 53.899839&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;2.800000&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.008431&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;2&amp;nbsp; &amp;nbsp;120&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.000000&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.008431&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.000000&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;0.000000 0 0 /&lt;/DIV&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Tue, 28 Jul 2026 11:29:45 GMT</pubDate>
      <guid>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270832#M2574</guid>
      <dc:creator>DavidL1987</dc:creator>
      <dc:date>2026-07-28T11:29:45Z</dc:date>
    </item>
    <item>
      <title>Ynt: tee /sys/class/scsi_host builds up</title>
      <link>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270833#M2575</link>
      <description>&lt;P&gt;Hello,&lt;/P&gt;&lt;P&gt;Thank you for providing the requested command outputs. The results strongly support the initial assessment that tee itself is not the root cause. The process becomes stuck while the kernel is performing a SCSI/SAS rescan.&lt;/P&gt;&lt;P&gt;The following findings are particularly significant;&lt;/P&gt;&lt;P&gt;Kernel: 6.8.0-117-generic&lt;BR /&gt;Driver: smartpqi 2.1.26-030&lt;BR /&gt;Controller: HPE Smart Array P408i-a SR Gen10&lt;BR /&gt;Controller firmware: 8.00&lt;BR /&gt;Multiple tee processes are in uninterruptible D state.&lt;BR /&gt;The kernel repeatedly reports blocked tasks in the following call path:&lt;BR /&gt;scsi_scan_target&lt;BR /&gt;scan_channel_zero&lt;BR /&gt;sas_user_scan&lt;/P&gt;&lt;P&gt;This confirms that the processes are blocked inside the SCSI/SAS scanning path. Because the system call does not return from the kernel, kill -9 cannot terminate these processes.&lt;/P&gt;&lt;P&gt;The most likely sequence is that the first SCSI scan becomes stuck inside sas_user_scan(). Subsequent scans are then launched and wait behind the original scan, causing the number of blocked processes and the system load average to increase continuously.&lt;/P&gt;&lt;P&gt;Based on the process timestamps, this host appears to launch a new scan approximately every six minutes and thirty seconds;&lt;/P&gt;&lt;P&gt;01:19:55&lt;BR /&gt;01:13:25&lt;BR /&gt;01:06:55&lt;BR /&gt;01:00:25&lt;/P&gt;&lt;P&gt;We also noticed that the oldest tee process, PID 8834, is in R state rather than D state and has been running for more than one day. This may be the original scan that is consuming CPU or holding the scan operation while the subsequent processes wait.&lt;/P&gt;&lt;P&gt;The kernel log does not currently show an obvious controller reset, controller-offline event, or general disk I/O failure. Therefore, the available evidence points more strongly to a software interaction between the SCSI/SAS rescan mechanism, the smartpqi driver, and the installed kernel rather than an immediate physical storage failure.&lt;/P&gt;&lt;P&gt;Firmware version 8.00 also appears to be the current version for the P408i-a controller, so there is no clear indication that outdated controller firmware is the cause.&lt;/P&gt;&lt;P&gt;If possible, could you also collect the following information?&lt;/P&gt;&lt;P&gt;ps -p 8834 -o pid,ppid,stat,pcpu,psr,etime,wchan:40,cmd&lt;/P&gt;&lt;P&gt;sudo cat /proc/8834/syscall&lt;/P&gt;&lt;P&gt;For one of the current D-state tee processes, please also run:&lt;/P&gt;&lt;P&gt;pstree -aps &amp;lt;D_STATE_TEE_PID&amp;gt;&lt;/P&gt;&lt;P&gt;sudo cat /proc/&amp;lt;D_STATE_TEE_PID&amp;gt;/stack&lt;/P&gt;&lt;P&gt;cat /proc/&amp;lt;D_STATE_TEE_PID&amp;gt;/cgroup&lt;/P&gt;&lt;P&gt;The previously provided pstree output was collected for PID 8834, while the stack output was collected for its sudo parent. Checking a current D-state tee process may help identify the service or HVM Agent component launching the recurring scans.&lt;/P&gt;&lt;P&gt;Adding the findings to the existing HPE support case is the correct next step. We recommend asking HPE to confirm;&lt;/P&gt;&lt;P&gt;Whether this is a known defect involving kernel 6.8.0-117 and smartpqi 2.1.26-030&lt;BR /&gt;Whether a supported newer smartpqi driver or kernel patch is available for VM Essentials&lt;BR /&gt;Whether VM Essentials v9.0.0_2 contains a relevant hotfix&lt;BR /&gt;Whether there is a supported method to temporarily prevent overlapping periodic SCSI scans&lt;BR /&gt;Whether the case can be correlated with the similar HPE case 5402620210&lt;/P&gt;&lt;P&gt;We would not recommend manually installing an out-of-tree smartpqi driver or disabling the HVM Agent without HPE guidance, as these actions could affect platform support, storage access, management, or HA functionality.&lt;/P&gt;&lt;P&gt;Until HPE provides a supported fix or workaround, please avoid initiating additional manual SCSI scans. If the host must be restarted, the workloads should first be migrated or safely shut down and the host placed into maintenance mode.&lt;/P&gt;&lt;P&gt;In summary, the new outputs confirm a persistent kernel-level SCSI/SAS scan stall. The accumulating tee processes are a symptom of that stall, with the smartpqi driver and kernel interaction currently being the strongest suspected cause.&lt;/P&gt;</description>
      <pubDate>Tue, 28 Jul 2026 11:56:20 GMT</pubDate>
      <guid>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270833#M2575</guid>
      <dc:creator>duru19</dc:creator>
      <dc:date>2026-07-28T11:56:20Z</dc:date>
    </item>
    <item>
      <title>Ynt: tee /sys/class/scsi_host builds up</title>
      <link>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270845#M2576</link>
      <description>&lt;P&gt;Hello everyone,&lt;/P&gt;&lt;P&gt;this issue is being looked at so we can provide a solution or an acceptable workaround in the near term.&amp;nbsp;&lt;/P&gt;&lt;P&gt;There's a recommendation from the Proliant team stating the following and the HVM team is looking at how to incorporate the recommended driver:&lt;/P&gt;&lt;P&gt;"It is strongly recommended to use controller firmware version 8.00 for SR SAS/SATA controllers and firmware version&amp;nbsp;03.01.44.040 for SR tri-mode controllers, along with Windows 2022/2025 driver version&amp;nbsp;1016.30.0.1014, Linux driver version&amp;nbsp;2.1.38-022, and VMware ESXi driver version&amp;nbsp;80.4880.0.109/90.4880.0.109, as this combination has been fully qualified." (&lt;A href="https://support.hpe.com/connect/s/softwaredetails?language=en_US&amp;amp;collectionId=MTX-3d51e7d6b8674f16&amp;amp;tab=releaseNotes&amp;amp;softwareId=MTX_c1a1e73eca0649aba8389a70d7" target="_blank"&gt;Firmware Package - HPE Smart Array P408i-p, P408e-p, P408i-a, P408i-c, E208i-p, E208e-p, E208i-c, E208i-a, P204i-c, P416ie-m and P816i-a SR Gen10 and SR308i-o,SR308i-p Gen11 controllers | HPE Support Center&lt;/A&gt;)&lt;/P&gt;&lt;P&gt;As a temporal workaround, the support case stated above has provided a workaround for the time being; as soon as engineering confirms it is an acceptable workaround, I'll post it in this thread.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;PS. This is what makes this community great! Thanks&amp;nbsp;&lt;a href="https://community.hpe.com/t5/user/viewprofilepage/user-id/1143768"&gt;@CalvinZito&lt;/a&gt;&amp;nbsp;for caring for it!&lt;/P&gt;</description>
      <pubDate>Tue, 28 Jul 2026 23:42:15 GMT</pubDate>
      <guid>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270845#M2576</guid>
      <dc:creator>DiegoDelgado</dc:creator>
      <dc:date>2026-07-28T23:42:15Z</dc:date>
    </item>
    <item>
      <title>Ynt: tee /sys/class/scsi_host builds up</title>
      <link>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270849#M2577</link>
      <description>&lt;P&gt;I'm bringing some news about this topic.&lt;/P&gt;&lt;P&gt;The problem will be completely solved in our next feature release, an update to the HVM OS will be needed because the fix is part of the kernel that will ship then.&lt;/P&gt;&lt;P&gt;For current systems running kernel 6.8.0-117 that present the issue, a workaround has been provided to block the writes to the SCSI scan file for the smartpqi driver. This is done by using the following commands:&lt;BR /&gt;&lt;BR /&gt;&lt;/P&gt;&lt;LI-CODE lang="markup"&gt;echo 'SUBSYSTEM=="scsi_host", DRIVERS=="smartpqi", ATTR{proc_name}=="smartpqi", RUN+="/bin/chmod 000 /sys/%p/scan"' &amp;gt; /etc/udev/rules.d/99-smartpqi.rules

udevadm control --reload-rules

udevadm trigger --subsystem-match=scsi_host
&lt;/LI-CODE&gt;&lt;P&gt;&lt;BR /&gt;&lt;STRONG&gt;Note:&lt;/STRONG&gt; this won't fix existing stacked processes - only a reboot (or likely a hard reset since they're in uninterruptible sleep) will get rid of the process that have already got stuck, workaround will prevent the new process from getting stuck.&lt;/P&gt;&lt;P&gt;PS. This is the recommendation made in the case&amp;nbsp;&lt;a href="https://community.hpe.com/t5/user/viewprofilepage/user-id/2100332"&gt;@duru19&lt;/a&gt;&amp;nbsp;referenced and our HVM engineering team provided it&lt;/P&gt;</description>
      <pubDate>Wed, 29 Jul 2026 05:19:52 GMT</pubDate>
      <guid>https://community.hpe.com/t5/hpe-morpheus-vm-essentials/tee-sys-class-scsi-host-builds-up/m-p/7270849#M2577</guid>
      <dc:creator>DiegoDelgado</dc:creator>
      <dc:date>2026-07-29T05:19:52Z</dc:date>
    </item>
  </channel>
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