Re: 2.6.18: hda_intel: azx_get_response timeout, switching tosingle_cmd mode...
From: Randy Dunlap
Date: Tue Sep 26 2006 - 11:37:33 EST
On Tue, 26 Sep 2006 12:16:33 +0200 Takashi Iwai wrote:
> At Mon, 25 Sep 2006 12:58:08 -0700,
> Jeremy Fitzhardinge wrote:
> > I have a ThinkPad X60 which uses the Intel 82801G HDA audio chip. This
> > used to work for me, but lately (sometime during 2.6.18-rcX series) it
> > stopped working - programs trying to use it tend to just block forever
> > waiting for /dev/dsp.
> > The only obvious symptom is:
> > hda_intel: azx_get_response timeout, switching to single_cmd mode...
> > appearing in the kernel log when booting.
> There is no big change relevant to TP X60 during 2.6.18rc, so I don't
> think it's a regression in the hd-audio driver code.
> > Details attached. The dmesg output is for the FC6 distro kernel
> > 2.6.18-1.2689.fc6PAE, but I see the same symptoms with 2.6.18-mm1.
> You must see difference with mm1 (suppose that mm1 already includes
> the latest ALSA patches). When the CORB/RIRB interrupt gets broken,
> the driver first switches to poling mode, then single_cmd mode as
> Also, try disable_msi=1 option for mm1. MSI seems broken on some
is that "pci=nomsi" ?
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