[elrepo] centos 7 e1000e kmod loading kernel version

[Steve Cleveland]

On 9/21/21 11:16 AM, Akemi Yagi wrote:
> [This email originated from outside of OSU. Use caution with links and attachments.]
>
> On Tue, Sep 21, 2021 at 9:50 AM Trevor Hemsley <themsley at voiceflex.com> wrote:
>> On 21/09/2021 17:27, Steve Cleveland wrote:
>>> # modinfo e1000e
>>> filename:
>>> /lib/modules/3.10.0-1168.42.2.el7.x86_64/kernel/drivers/net/ethernet/intel/e1000e/e1000e.ko.xz
>>> version: 3.2.6k
>> I did a yum install kmod-e1000e on my Vbox hosted CentOS 7 which was
>> using the distro e1000e module for its network connection. The package
>> installs OK and modinfo after the reboot says it's using the ELRepo copy
>>
>> filename:
>> /lib/modules/3.10.0-1160.42.2.el7.x86_64/weak-updates/e1000e/e1000e.ko
>> version:        3.8.4-NAPI
>>
>> Mine is kmod-e1000e-3.8.4-4.el7_9.elrepo.x86_64 which is not the same
>> version as yours. Try a yum update after installing the elrepo-release
>> package - which you need to do anyway so that you get future updates to
>> allow it to run with future kernels that break the stable KABI.
>>
>> Trevor
> There was a kABI breakage for kmod-e1000e in the EL7_9 kernels. The
> kmod-e1000e package built for the 7.9 GA kernel will not work for
> kernel-3.10.0-1160.36.2.el7 or later.
>
> As Trevor noted, you need to update kmod-e1000e to get it to work for
> the current kernel.
>
> Akemi

Thanks so much for the information.  Once I was able to update the 
kmod-e1000e package during the install, then it worked on reboot.  It's 
very unfortunate that there was a breakage during a release.

  - Steve