[PlanetCCRMA] ALSA: Cannot restart alsa - FC1 - ICE1712

[Fernando Pablo Lopez-Lezcano]

> >What does the startup sequence say? Does it complain about not being
> >able to start alsa? Or does alsa start (apparently) fine? Once you are
> >up and running after the reboot, what does "cat /proc/asound/devices"
> >show?
> 
> Start up is fine.  No complaints from alsa.  /proc/asound/devices says:
> 
> [root at balance root]# cat /proc/asound/devices
>    0: [0- 0]: ctl
>   16: [0- 0]: digital audio playback\
>   24: [0- 0]: digital audio capture
>   33:       : timer
> 
> >>So I try to /etc/init.d/alsasound restart.  This fails reporting _Device or
> >>resource busy_ for each associated module.  Of course rmmod does not work
> >>either, returning the same error.
> >
> >rmmod of which kernel module?
> 
> [root at balance root]# /sbin/rmmod snd-ice1712
> snd-ice1712: Device or resource busy
> 
> Or any of the snd-* modules, but I expect that is normal.
> 
> >Hmmm, this could also be a "kernel oops", search /var/log/messages to
> >see if there is one there. That would also make the modules busy and
> >impossible to remove.
> 
> Yes I have oops, gpm fails to stay loaded:
> [root at balance root]# cat /var/log/messages | grep oops | grep -i may
> May  3 22:09:30 balance gpm[3664]: O0o.oops(): [gpm.c(949)]:
> May  4 22:07:01 balance gpm[3665]: O0o.oops(): [gpm.c(949)]:
> May  5 20:21:59 balance gpm[3664]: O0o.oops(): [gpm.c(949)]:
> May  5 21:11:24 balance gpm[3670]: O0o.oops(): [gpm.c(949)]:
> May  6 17:48:11 balance gpm[3662]: O0o.oops(): [gpm.c(949)]:
> 
> I am trying now to disable gpm and try again....Just rebooted, and still
> can't restart alsa.

Looks like an ALSA sound driver problem (that leads to a kernel oops).
What are the lines surrounding the Ooops? There should be a stack trace
dump for each oops. 

-- Fernando