[Bug 64891] [snd_hda_codec] BUG: soft lockup - CPU#0 stuck for 22s (when using vgaswitcheroo)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=64891

--- Comment #38 from Joaquín Aramendía <samsagax at gmail.com> ---
(In reply to Rafael J. Wysocki from comment #36)
> It looks like on your system the device having the "switching _DSM" method
> has to be marked with no_hotplug.

Indeed, the Nvidia card has a sound card in it that is claimed by the
snd_hda_intel module. That module controls both sound cards.

I'll apply patch in comment #37 and report back.

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