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тАО01-18-2010 01:51 PM
тАО01-18-2010 01:51 PM
HP agents related to crash under Debian
I have a dozen DL360 G5 servers, all with similar (but not identical) configurations.
They all run fine, except for one server, which randomly crashes after starting the HP health (OpenIPMI) and SNMP agents. (if I don't start the HP agents, it doesn't crash)
All of these machines are running Debian Lenny, with the 2.6.26-2-xen-686 kernel, and all are Xen hosts (xen-hypervisor-3.2-1-i386).
I've upgraded the agents on all servers to 8.25 with no improvement.
I've attempted to update the firmware on the failing server (using the bootable CD via ILO) but hardware discovery fails consistently.
I've also tried isolating differences between the failing server and the others, but none of the changes have helped. For example, the problem server's processor supports hyperthreading (which was enabled), but none of the working servers do. I disabled hyperthreading, but it made no difference.
At this point, I'm not sure if it's a kernel issue, an HP agent issue, or a hardware/firmware issue.
Has anyone seen anything like this? Can anyone offer suggestions?
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тАО01-18-2010 10:21 PM
тАО01-18-2010 10:21 PM
Re: HP agents related to crash under Debian
Perhaps start by defining what a crash means in this case.
Can you ping the box in question? Are keyboard LED-s blinking?
Regards,
Goran
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тАО01-19-2010 06:45 AM
тАО01-19-2010 06:45 AM
Re: HP agents related to crash under Debian
Start these in debug mode and look for the error message. That's why I like *nix systems: they tell me their problem so I can solve it. ;)
Unix operates with beer.
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тАО01-19-2010 09:21 AM
тАО01-19-2010 09:21 AM
Re: HP agents related to crash under Debian
I'd suggest removing the hp-OpenIPMI package.
If the crash persists, please provide a console log of the crash.
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тАО01-19-2010 11:36 AM
тАО01-19-2010 11:36 AM
Re: HP agents related to crash under Debian
Goran Koruga:
I meant a kernel crash. The entire machine is unresponsive - no network, no I/O, etc.
As for the keyboard LEDs, I have no idea. It's headless and I only access it via ILO.
Daniel Frazier
I apologize - I misspoke. It's not actually running hp-OpenIPMI, but rather the distribution ipmi.
I've attached one of the crash logs. This particular crash was when hyperthreading was still enabled. I seem to recall the crashes without HT being different. While I don't have logs from any of the non-HT crashes, I can get one later tonight and post it for comparison.
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тАО01-19-2010 03:34 PM
тАО01-19-2010 03:34 PM
Re: HP agents related to crash under Debian
dl380g5:~# cat /proc/version
Linux version 2.6.26-2-xen-686 (Debian 2.6.26-19lenny2) (dannf@debian.org) (gcc version 4.1.3 20080704 (prerelease) (Debian 4.1.2-25)) #1 SMP Wed Nov 4 23:23:33 UTC 2009
Is this the same version you are using?
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тАО01-19-2010 04:43 PM
тАО01-19-2010 04:43 PM
Re: HP agents related to crash under Debian
It looks the same to me:
bblough@XXXXXXXX:~$ cat /proc/version
Linux version 2.6.26-2-xen-686 (Debian 2.6.26-19lenny2) (dannf@debian.org) (gcc version 4.1.3 20080704 (prerelease) (Debian 4.1.2-25)) #1 SMP Wed Nov 4 23:23:33 UTC 2009
It doesn't surprise me that you can't reproduce it - I have 11 other DL360s running the exact same software configuration and I can't reproduce it on them either. This is the only box that has problems.
When comparing the hardware, there are differences in CPU model/speed, amount of RAM, and firmware revisions.
The RAM amounts and firmware versions, though different, are all relatively close.
However - something just jumped out at me, though I don't know how relevant it is.
All of the working servers have CPUs that are 5130, 5140 or 5160 Xeons. The failing server has a P4 Xeon (a 5050 I think).
Could this be related?
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тАО01-19-2010 04:46 PM
тАО01-19-2010 04:46 PM
Re: HP agents related to crash under Debian
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тАО01-19-2010 05:28 PM
тАО01-19-2010 05:28 PM
Re: HP agents related to crash under Debian
Unfortunately, when I try to upgrade the rest of the firmware (by booting off of the firmware CD image) it fails to discover the hardware. I'm not really sure where to go from there, but then, I haven't had a lot of time to research it yet.
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тАО01-19-2010 10:40 PM
тАО01-19-2010 10:40 PM
Re: HP agents related to crash under Debian
Looks like a crash in the IPMI subsystem, probably best to discuss this with the maintainers of it.
You can find the details in the MAINTAINERS file (I purposely don't want to advertise their email address here).
Regards,
Goran