[alsa-devel] HDA timeouts

Takashi Iwai tiwai at suse.de
Sun Nov 8 09:06:39 CET 2009

At Sat, 07 Nov 2009 21:06:54 +0200,
Maxim Levitsky wrote:
> Hi,
> Sometimes (1 in 5 boots) I see the following:
> azx_get_response timeout, switching to polling mode: last cmd=0x014f0900
> I initially blamed MSI that I enabled explicitly.
> If it is enabled, there is another timeout just before this line.
> Now I explicitly disable msi, and still see this.
> It seems that codec hangs or so.

Unless it switches to the single_cmd mode, this isn't so serious at all.
Usually this is a problem of either the timing or that the IRQ isn't
generated by the chip properly.  But the communication via CORB/RIRB
still works usually, so the driver runs fine in the polling mode.



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