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

From: Takashi Iwai
Date: Mon Nov 12 2007 - 06:20:09 EST


At Thu, 08 Nov 2007 14:48:32 -0800,
Roland Dreier wrote:
>
> With 2.6.24-rc2 on my Lenovo X60s, I sometimes get:
>
> hda_intel: No response from codec, disabling MSI: last cmd=0x002f0d00
> hda_intel: azx_get_response timeout, switching to polling mode: last cmd=0x002f0d00
>
> when loading snd_hda_intel. Sound still works but interrupts aren't generated.
>
> I tried bisecting but I haven't gotten good info yet because it seems
> that this is not completely reproducible -- sometimes when I load the
> module, it works fine, and other times I get the message.
>
> I think this is a regression, since I don't recall ever seeing the
> message with 2.6.22 or so.
>
> Any idea on how to help debug this?

You seem to pass unneeded module options to snd-hda-intel driver like
MSI enablement. First, try to remove all these options.


Takashi
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