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01-19-2018 09:25 AM
01-19-2018 09:25 AM
Question about HPE Intel ixgbe Drivers for Red Hat Enterprise Linux 7
Hello :)
I just installed Linux Centos 7.4 on ProLiant DL380 Gen9 with two HPE Ethernet 10Gb 2-port 561FLR-T Adapter
I install HP driver form RHEL 7.4 :
# rpm -ivh firmware-nic-intel-1.13.12-1.1.x86_64.rpm
# rpm -ivh kmod-hp-ixgbe-5.2.1-4.rhel7u4.x86_64.rpm
# find /lib/modules -name ixgbe*
/lib/modules/3.10.0-693.11.6.el7.x86_64/weak-updates/hp-ixgbe/ixgbe.ko <<<add
/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/drivers/net/ethernet/intel/ixgbe
/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/drivers/net/ethernet/intel/ixgbe/ixgbe.ko.xz
/lib/modules/3.10.0-693.el7.x86_64/extra/hp-ixgbe/ixgbe.ko <<<add
/lib/modules/3.10.0-693.el7.x86_64/kernel/drivers/net/ethernet/intel/ixgbe
/lib/modules/3.10.0-693.el7.x86_64/kernel/drivers/net/ethernet/intel/ixgbe/ixgbe.ko.xz
# cat /etc/depmod.d/hp-ixgbe.conf
override ixgbe * weak-updates/hp-ixgbe
After a reboot of the server the module loaded is always the native intel kernel module version 4.4.0-k-rh7.4 ...
# modinfo ixgbe
filename: /lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/drivers/net/ethernet/intel/ixgbe/ixgbe.ko.xz
version: 4.4.0-k-rh7.4
license: GPL
description: Intel(R) 10 Gigabit PCI Express Network Driver
author: Intel Corporation, <linux.nics@intel.com>
rhelversion: 7.4
Why the HP module v5.2.1 is not the default module ?
[root@l203phm206 ~]# modinfo /lib/modules/3.10.0-693.11.6.el7.x86_64/weak-updates/hp-ixgbe/ixgbe.ko
filename: /lib/modules/3.10.0-693.11.6.el7.x86_64/weak-updates/hp-ixgbe/ixgbe.ko
version: 5.2.1
license: GPL
description: Intel(R) 10GbE PCI Express Linux Network Driver
author: Intel Corporation, <linux.nics@intel.com>
rhelversion: 7.4
Best regards,
SamirO
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01-19-2018 11:11 AM
01-19-2018 11:11 AM
Re: Question about HPE Intel ixgbe Drivers for Red Hat Enterprise Linux 7
The older driver is in the initrd image, you need to create a new initrd image which will then include the newer driver
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01-19-2018 02:01 PM
01-19-2018 02:01 PM
Re: Question about HPE Intel ixgbe Drivers for Red Hat Enterprise Linux 7
Thank you for reply.
The rpm installation package run dracut, I re-create new one but driver is always native kernel intel module...
# cp /boot/initramfs-$(uname -r).img /boot/initramfs-$(uname -r).img.bak
# dracut -f
# cp /boot/initramfs-3.10.0-693.11.6.el7.x86_64.img /tmp
# cd /tmp
# /usr/lib/dracut/skipcpio initramfs-3.10.0-693.11.6.el7.x86_64.img | zcat | cpio -ivd
# find . -print | grep ixgbe
./usr/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/drivers/net/ethernet/intel/ixgbe
./usr/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/drivers/net/ethernet/intel/ixgbe/ixgbe.ko.xz
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01-19-2018 02:32 PM
01-19-2018 02:32 PM
Re: Question about HPE Intel ixgbe Drivers for Red Hat Enterprise Linux 7
If you rmmod the driver, then modprobe the driver module what version shows running?
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01-19-2018 04:40 PM
01-19-2018 04:40 PM
Re: Question about HPE Intel ixgbe Drivers for Red Hat Enterprise Linux 7
You're right, its initramfs.
The initramfs-3.10.0-693.el7.x86_64.img contains extra module HP.
# /usr/lib/dracut/skipcpio initramfs-3.10.0-693.el7.x86_64.img | zcat | cpio -ivd
# find lib/modules -print | grep ixgbe
lib/modules/3.10.0-693.el7.x86_64/extra/hp-ixgbe
lib/modules/3.10.0-693.el7.x86_64/extra/hp-ixgbe/ixgbe.ko
if I update system, kernel was updated to 3.10.0-693.11.6.el7.x86_64 and HP module passed to weak-updates. compatible kernel modules for this kernel, but were actually compiled against another similar kernel in the family
normally /etc/depmod.d/hp-ixgbe.conf override ixgbe module from all kernel * with weak-updates/hp-ixgbe ...
I found a very interesting wiki for weak updates, I need some time to understand well :)
https://trapsink.com/wiki/Kernel_Module_Weak_Updates (big up to the writer)
Thank you Jimmy for all reply.
SamirO
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