Messages in this thread | | | Date | Fri, 29 Jul 2005 23:13:52 -0400 | From | Stephen Clark <> | Subject | Re: 2.6.12 sound problem |
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Andrew Morton wrote:
>(Please do reply-to-all when dealing with kernel stuff) > >Stephen Clark <stephen.clark@earthlink.net> 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 >>>- >>>To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >>>the body of a message to majordomo@vger.kernel.org >>>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? > > > 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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