Andrew Morton wrote:
(Please do reply-to-all when dealing with kernel stuff)
Stephen Clark <[email protected]> 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.
Takashi
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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?
Hi Andrew,
Thanks for the response.
I found a better solution to my problem with my HP N5430 laptop over on
the alsa-devel list, my sound had quit working also. The new
solution, which was pointed out to me by Henry Yuan was to boot with
lapic. I had noticed in the dmesg output that a lapic existed but was
turned off by the bios, and a pseudo local apic was being used, this
caused problems with APCI and my sound.
If you would still like the dmesg I would be glad to send it.
Steve
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