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SubjectRe: 2.6.19-rc1: hda_intel: azx_get_response timeout, switching to polling mode...
At Thu, 5 Oct 2006 09:54:57 +0200,
Prakash Punnoor wrote:
>
> Hi,
>
> I didn't get above message with 2.6.18. Usign irqpoll above message doesn't
> appear, but I think neither it optimal.
>
> The kernel is patched with reiser4 and acpi_skip_timer_override quirk is
> deactivated (see last link why).
>
> I tried different combinations (dmesg + .config). Differences are mostly pci
> mt init, irqpoll, nforce eth napi, pata/ide amd driver
>
> http://www.prakash.gmxhome.de/linux/2.6.19-rc1-1.txt.bz2
> http://www.prakash.gmxhome.de/linux/2.6.19-rc1-2.txt.bz2
> http://www.prakash.gmxhome.de/linux/2.6.19-rc1-3.txt.bz2
> http://www.prakash.gmxhome.de/linux/2.6.19-rc1-4.txt.bz2
>
> cat /proc/interrupts for 2.6.18 resp .19-rc1
> http://www.prakash.gmxhome.de/linux/irqs18.txt
> http://www.prakash.gmxhome.de/linux/irqs19.txt
>
> lspci can be found here:
> http://marc.theaimsgroup.com/?l=linux-kernel&m=115545986619977&w=2

The latest snd-hda-intel driver uses MSI as default.
Pass disable_msi=1 module option and see whether it works.

BTW, the switching to polling mode is relatively harmless (that's why
it's KERN_WARNING) in comparison with the single_cmd mode that the
driver uses when polling mode failed too.


Takashi
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