[alsa-devel] snd_usb_caiaq bug?
tiwai at suse.de
Sun Jan 11 13:03:29 CET 2009
At Sat, 10 Jan 2009 13:53:24 +0100,
Marco Santamaria wrote:
> During a Rosegarden session a qsampler crash caused the following output in
> [11530.642970] qsampler: segfault at 00000008 eip b73f52c5 esp bfe77e20
> error 4
> [13278.161113] ALSA /home/marco/build/alsa-1.0.17/linux-2.6.24-23-rt/driver/
> snd-usb-caiaq log: snd_usb_caiaq_midi_send(f6d52b40): usb_submit_urb()
> failed,ret=-22, len=61
> [13720.859888] qjackctl.bin: segfault at 00000314 eip b7b07a7f esp
> bfbe8f54 error 4
> There are segmentation fault errors from qsampler and qjackctl, but perhaps
> there's also a problem in caiaq-midi.c .
Might be, but difficult to judge as now since the error seems
happening after qsampler, and the urb error itself seems
> 2009/1/9 Takashi Iwai <tiwai at suse.de>
> At Thu, 8 Jan 2009 23:11:53 +0100,
> Daniel Mack wrote:
> > Hi Takashi,
> > On Thu, Jan 08, 2009 at 03:37:30PM +0100, Takashi Iwai wrote:
> > > > every thing is Ok for me now. No more crash, no more messages in
> > > > I just had a warning during compilation, but I think this is not
> > > > important :
> > > >
> > > > sound/usb/caiaq/caiaq-midi.c: In function \
> > > > \u2019:
> > > > sound/usb/caiaq/caiaq-midi.c:170: attention : unused variable \
> > > >
> > > > Perhaps this is not the same line (170) as you but, in my file, it
> > > > the last function.
> > >
> > > OK, it's simple to fix.
> > > The below is the latest version I committed now to sound git tree.
> > > It'll be pushed to 2.6.29 (and stable kernels) later.
> > Thanks a lot for your help - I was on vacation until now and had very
> > limited ways to follow that thread. I would, however, apprectiate the
> > driver version number would be increased for this change, as it makes
> > tracking of user error reports better trackable.
> > Do you want me to send in a patch for that or is it easier if you do
> > it yourself?
> I increased the version to 1.3.10 now.
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