Re: 2.6.12 sound problem
From: Andrew Morton
Date: Fri Jul 29 2005 - 03:45:23 EST
(Please do reply-to-all when dealing with kernel stuff)
Stephen Clark <stephen.clark@xxxxxxxxxxxxx> wrote:
> Takashi Iwai wrote:
> >At Tue, 26 Jul 2005 19:35:55 -0400,
> >Stephen Clark wrote:
> >>Hello List,
> >>I recently upgraded my laptop, HP Pavilion N5430, from a 2.4.21 kernel
> >>to 2.6.12. As a result of
> >>doing this my sound no longer works correctly. It plays the same thing
> >>repeatedly some number
> >>of times - if it plays at all.
> >>Any ideas on how to debug this would be appreciated.
> >>Additional info I don't see any interrupts in /proc/interrupts for the
> >>Allegro which is on int 5.
> >>I just tried the same laptop with knoppix and a 2.4.27 kernel and sound
> >>works great and I do
> >>see interrupts for Allegro on int 5.
> >The irq problem is likely related with ACPI.
> >Try to boot once with pci=noacpi.
> >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> >the body of a message to majordomo@xxxxxxxxxxxxxxx
> >More majordomo info at http://vger.kernel.org/majordomo-info.html
> >Please read the FAQ at http://www.tux.org/lkml/
> Hi Takashi,
> I have boot the 2.6.12 kernel with acpi=off pci=noacpi,usepirqmask or I
> get a panic or a hang.
It's just really awful that 2.4 simply worked and 2.6 requires a sprinkle
of obscure kernel parameters. I shudder to think how long it took you to
work them out.
> I don't have to do this with 2.4.27, anybody know why?
Perhaps you could send the `dmesg -s 1000000' output?
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/