Re: snd-usb-audio, 2.6 and kernel panic
On Sat, 2003-12-27 at 22:54, Vincent Bernat wrote:
> Hello !
>
> I have bought some USB sound card (Sound Blaster MP3+) and while this
> is working fine with usbaudio from the kernel OSS, I get some kernel
> panic with ALSA after some use (a matter of minutes).
>
> I'd like to report this to ALSA guys but the output of the internal
> debugguer (from test11-ben1) is a bit short. In fact, I am dump in the
> debugguer and I don't even know it is really a kernel panic. If I use
> "x", the iBook just goes down (so I don't suppose this is just a
> oops). A "bt" gives me a suit of addresses, but no text except for one
> line which is about an error 501 (damn, I don't remember well, I
> should have noted down this one) and interrupts.
>
> How should I debug this in order to get a useful output ?
use something like
image=/boot/vmlinux-2.6.0-ben1
sysmap=/boot/System.map-2.6.0-ben1
label=2.6
read-only
append=""
in yaboot.conf.
then t in xmon (where you end up with when getting oopses or when
pressing apple+power) gives you a backtrace that could be useful for
developers.
Soeren
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