[alsa-devel] [2.6.33-rc3] HDA works in polling mode
tiwai at suse.de
Tue Jan 12 09:50:26 CET 2010
At Sat, 9 Jan 2010 10:22:17 +0000,
Tvrtko Ursulin wrote:
> I have a AMD 785G motherboard where there is a worrying situation logged by
> ALSA drivers. Sound nevertheless works.
> 00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA)
> HDA Intel 0000:01:05.1: PCI INT B disabled
> HDA Intel 0000:00:14.2: PCI INT A disabled
> HDA Intel 0000:00:14.2: PCI INT A -> GSI 16 (level, low) -> IRQ 16
> HDA Intel 0000:01:05.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19
> HDA Intel 0000:01:05.1: irq 28 for MSI/MSI-X
> HDA Intel 0000:01:05.1: setting latency timer to 64
> hda-intel: azx_get_response timeout, switching to polling mode: last
> I tried position_fix=0, 1 and 2 with no difference. I also tried enable_msi=0 to
> make it use IO-APIC interrupt. Then this error is not displayed, sound
> works, but again no interrupts are generated at least count is not growing in
> Please tell me what else I can try and what debugging info you need.
The switching to polling mode itself isn't a big problem at all.
This can be usually ignored. If you have any other issues wrt sound
quality, just ignore this.
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