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

[Jacco Ligthart]

Hi Thorsten,

Thanks for the report. I'm the guy that originally wrote these lines ...
I always knew that this issue was present, but was not aware of the '-V'
option to sort. Therefore I never had a quick fix.
I hoped that somebody would extend the "installkernel" script from
grubby, so that it also works for raspberries. I don't think that will
happen any more. Maybe we should have a look at how this works on raspbian.

@Pablo, I successfully tested building 4.19.27 from upstream. There are
some minor changes:
- github now gives error 500 on the files we normally use
- the COPYING.linux file changed, so it needed a new location
- the patch for selinux needed to be remade.

If interested, my patches and spec can be found here:
https://github.com/redsleeve-linux/raspberrypi/tree/master/raspberrypi2

Jacco


On 3/3/19 4:24 PM, Thorsten Holtkämper wrote:
> 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?
>
> Best regards,
> Thorsten
>
>
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