Re: snd_hda_intel 2.6.24-rc2 bug: interrupts don't always work on Lenovo X60s

From: Takashi Iwai
Date: Wed Nov 14 2007 - 12:28:22 EST


At Wed, 14 Nov 2007 09:22:18 -0800,
Roland Dreier wrote:
>
> > NWhat cmd more exactly? The below is GET_DIGI_CONVERT. So it must be
> > related with SPDIF but it must be same as 2.6.23. Or do you happen to
> > set CONFIG_SND_HDA_POWER_SAVE=y?
>
> The new error message is:
>
> hda_intel: azx_get_response timeout, switching to polling mode: last cmd=0x002f0d00
>
> so the cmd is 0x002f0d00.
>
> I'm not sure if I ever saw this with 2.6.23 or not -- it is rare
> enough that I may have missed it. I do have
>
> CONFIG_SND_HDA_POWER_SAVE=y
> CONFIG_SND_HDA_POWER_SAVE_DEFAULT=5

First try to set power_save_controller=0 module option for
snd-hda-intel. If this doesn't make any difference, try to turn
CONFIG_SND_HDA_POWER_SAVE off. If the problem still persists, then I
have no idea what change triggered it. Maybe you got this in the
earlier versions but in less verbose way...

> in my .config. And I don't think that the X61s has anything
> SPDIF-related accessible on the outside... not sure what mmight be
> going on inside of course.

It's on the docking station, IIRC.


thanks,

Takashi
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