Hi,
On Thu, 1 Dec 2022, Ricardo Ribalda wrote:
> On Thu, 1 Dec 2022 at 14:22, 'Oliver Neukum' via Chromeos Kdump <chromeos-kdump@xxxxxxxxxx> wrote:
> >
> > On 01.12.22 14:03, Ricardo Ribalda wrote:
> > > This patchset does not modify this behaviour. It simply fixes the
> > > stall for kexec().
> > >
> > > The patch that introduced the stall:
> > > 83bfc7e793b5 ("ASoC: SOF: core: unregister clients and machine drivers
> > > in .shutdown")
> >
> > That patch is problematic. I would go as far as saying that
> > it needs to be reverted.
>
> It fixes a real issue. We have not had any complaints until we tried
> to kexec in the platform.
> I wont recommend reverting it until we have an alternative implementation.
>
> kexec is far less common than suspend/reboot.
I've posted an alternative to ALSA list that reverts the problematic
patch and fixes the problem (the patch was originally addressing)
in a different way:
https://mailman.alsa-project.org/pipermail/alsa-devel/2022-December/209776.html
No changes outside sound/soc/ are needed with this approach.
Br, Kai
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