[Arm-dev] raspi kernel upgrade activates not the latest kernel version

Mon Mar 4 23:15:09 UTC 2019
Thorsten Holtkämper <thorsten.lists at holtkaemper.eu>

Am 3. März 2019 18:15:37 schrieb Pablo Sebastián Greco 
<pablo at fliagreco.com.ar>:

> El 3/3/19 a las 13:24, Pablo Sebastián Greco escribió:
>>
>> El 3/3/19 a las 12:24, Thorsten Holtkämper escribió:
>>> Hi all,
>>>
>>>
>>>
>>>
>>> kernel upgrades on the raspi sometimes end up with not the latest
>>> kernel being "activated" in the /boot directory. The reason for this
>>> is the kernel rpm postuninstall script of the old kernel that is
>>> removed:
>>>
>>>
>>>
>>>
>>> postuninstall scriptlet (using /bin/sh):
>>> cp $(ls -1 /boot/kernel-*-*|tail -1) /boot/kernel7.img
>>> cp $(ls -1d /usr/share/raspberrypi2-kernel/*-*/|tail -1)/boot/*.dtb
>>> /boot/
>>> cp $(ls -1d /usr/share/raspberrypi2-kernel/*-*/|tail
>>> -1)/boot/overlays/*.dtb* /boot/overlays/
>>>
>>>
>>>
>>>
>>> It chooses the latest kernel version with "ls -1
>>> /boot/kernel-*-*|tail -1" which fails for kernel versions that have
>>> different number of digits in the version string, e.g. 4.9 and 4.14
>>> or 4.14.91 and 4.14.103.
>>>
>>>
>>>
>>>
>>> An additional "sort -V" should fix the problem, i.e. "ls -1
>>> /boot/kernel-*-*|sort -V|tail -1".
>>>
>>>
>>>
>>>
>>> What do you think?
>> That looks bad!!!, you may even end up removing your current kernel.
>> The sort -V seems to do what we need to, but this will be a problem
>> until the last 4.14.xx is removed from the system.
>> I'll try to build a new kernel later today, so we can start testing this.
>>
>> Thanks for the report.
>> Pablo.
>>>
>>>
>>>
>>>
>>> Best regards,
>>> Thorsten
> Just pushed a build with these changes
> https://git.stg.centos.org/rpms/raspberrypi2/c/94eb3c3ad1e3828a885cf5e5178fc78e21cca990?branch=c7-sig-altarch-kernel
>
> When it finishes, it should appear here
> https://buildlogs.centos.org/c7-kernels.armhfp/raspberrypi2/ (it should
> be in a few hours)
>
> Let me know if you can test and how it went.

I could do some testing, but there is no new kernel at the given URL.

BR,
Thorsten

>
>
>
>
> Thanks.
>
>
>
>
> Pablo.
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