[alsa-devel] snd-hda-intel: no data when recording from mic, "IRQ timing workaround is activated for card #0. Suggest a bigger bdl_pos_adj" logged in kern.log

[Takashi Iwai]

At Thu, 24 Sep 2009 09:23:59 +0200,
Aleksander Adamowski wrote:
> 
> On Wed, Sep 23, 2009 at 8:01 AM, Takashi Iwai <tiwai at suse.de> wrote:
> 
> >> This problem seems to concide with the following error message in the
> >> kernel log:
> >> hda-intel: IRQ timing workaround is activated for card #0. Suggest a
> >> bigger bdl_pos_adj.
> >>
> >> Do you have any idea what could be the cause and how to debug this
> >> issue further?
> >
> > First off, try the very latest alsa-driver snapshot.
> > 2.6.29 is already very old, and there have been bunch of fixes and
> > improvements since then.
> >
> > Also, load the driver with model=auto option, too.
> >
> > If both don't help, please attach alsa-info.sh output (run with
> > --no-upload option) to analyze more.
> 
> OK, I've upgraded to kernel 2.6.30, then installed the
> alsa-driver-20090923 snapshot (configured with --with-debug=full).
> 
> I'm also running with the following options:
> bdl_pos_adj=32 probe_mask=1 model=auto

First try just with model=auto and no other options.

> I'm attaching output from alsa-info.sh just in case.

Thanks.


Takashi