https://bugs.freedesktop.org/show_bug.cgi?id=95055
--- Comment #24 from Alexander E. Patrakov <patra...@gmail.com> ---
(In reply to Brian J. Murrell from comment #23)
> (In reply to Alexander E. Patrakov from comment #20)
> > Please verify (without the above parameter) whether this command also gets
> > blocked in the kernel. Run it repeatedly just in case.
> >
> > amixer -c2
>
> I only had to run it once:
> $ amixer -c2
> [ didn't return]
> $ ps axf | grep amixer
> 27202 pts/1 D+ 0:00 | \_ amixer -c2
>
> Here's the stack trace of it:
<snip>
> > Also try:
> >
> > alsamixer -c2
> >
> > and mute/unmute various spdifs repeatedly.
> >
> > Finally:
> >
> > time pasuspender -- aplay -d 5 -D hdmi:2 -f dat /dev/zero
>
> Do you still want the above, given that amixer has blocked in the kernel?
> If so, I assume you want those if/when amixer does finally return?
No, reproducing the bug with amixer was enough.
I am still waiting for the test result with nouveau.runpm=0 to complete the
evidence.
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