Bug#951198: flash-kernel: prevents installing new kernels on unsupported platforms

[Pirate Praveen <praveen@onenetbeyond.org>]

On Wed, 12 Feb 2020 12:09:19 +0100 =?utf-8?q?Uwe_Kleine-K=C3=B6nig?=
<ukleinek@debian.org> wrote:
> Package: flash-kernel
> Version: 3.99
> Severity: normal
> 
> Hello,
> 
> I just upgraded my Debian installation from an older testing to
Buster
> and the kernel update failed with:
> 
>       Setting up initramfs-tools (0.133+deb10u1) ...
>       update-initramfs: deferring update (trigger activated)
>       Processing triggers for initramfs-tools (0.133+deb10u1) ...
>       update-initramfs: Generating /boot/initrd.img-4.16.0-2-armmp
>       Unsupported platform.
>       run-parts: /etc/initramfs/post-update.d//flash-kernel exited
with return code 1
>       dpkg: error processing package initramfs-tools (--configure):
>        installed initramfs-tools package post-installation script
subprocess returned error exit status 1
>       Errors were encountered while processing:
>        initramfs-tools
>       E: Sub-process /usr/bin/dpkg returned an error code (1)
> 
> In my case flash-kernel is just casually installed and not needed to
> make the machine bootable with the new kernel. I wonder if
"Unsupported
> platform" should not be an error in the kernel update trigger.
> 
> Best regards
> Uwe

I also noticed this error when trying to update a kernel from a
recovery chroot (using jumpdrive) on my Librem 5.
https://github.com/dreemurrs-embedded/Jumpdrive/issues/79

This is just annoying as it did not really affect booting of the
machine.