At Tue, 04 Jul 2006 11:09:32 +0200,
Clemens Ladisch wrote:
>
> Randy Dunlap wrote:
> > This patch fixes the remaining instances in our tree where a non-
> > existent mpu401 interface can cause a hard freeze when i/o is
> > issued.
> >
> > sound/pci/emu10k1/emu10k1x.c
> > sound/pci/emu10k1/emumpu401.c
>
> These drivers are for chips where we know that an MPU-401 interface
> exists.
>
> Are there any freezes on these devices that can be resolved by this
> patch?
Maybe this fix is irrelevant. But it's anyway better to check the
errors there.
My rough guess of the culprit is the spin deadlock through
snd-rtctimer.
Takashi
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