On Sun, 18 Oct 2009 01:03:19 PDT
J?rgen Keil <jrgn.keil at googlemail.com> wrote:
> > I've got an interesting problem with audio on svn_124.
>
> Which audio hardware?
Built into the motherboard.
> What does "cat /dev/sndstat" report?
sensei$ cat /dev/sndstat
SunOS Audio Framework
Audio Devices:
0: audio810#0 Intel AC'97, ICH5 (DUPLEX)
Mixers:
0: audio810#0 Intel AC'97, ICH5
AC'97 codec: Avance Logic 0x414c4761 (6 channels)
> > I'm at a loss
> > as to what to try next, partly because this is one of those nasty
> > intermittent problems.
> >
> > I'm trying to play chimes on the quarter hour. I invoke a simple shell
> > script from cron to do so. The script is short enough I'm including it
> > inline:
> > ...
> > This works. It plays the chimes - for an hour or so. Then it
> > stops. When I check the system, I find the esdplay command stacked up
> > waiting.
>
> Try to get a stack backtrace for the hanging esdplay process,
> using "pstack PID", where PID is the process id of the hanging
> esdplay process.
sensei$ pfexec pstack 17016
17016: /usr/bin/esdplay /export/home/mwm/sounds/westminister/west45.wav
fef02925 write (5, 8046cb0, 1000)
fee05906 esd_send_file (5) + 6a
fee05cc0 esd_play_file (8047ef8, 8047f09, 1, fef903e0, fef903e0, 3) + 37c
08050e88 main (2, 8047e58, 8047e64, 8047e4c) + 1a4
08050c2d _start (2, 8047ef8, 8047f09, 0, 8047f39, 8047f4b) + 7d
And for audioplay:
17102: /usr/bin/audioplay /usr/demo/SOUND/sounds/touchtone.0.au
fef01bb5 ioctl (4, 20004103, 0)
080536d6 main (2, 80479d8, 80479e4, 80479cc) + f7a
0805233d _start (2, 8047af8, 8047b0b, 0, 8047b31, 8047b4f) + 7d
> > If I kill them, things start working fine.
>
> > Using /usr/bin/audioplay instead of esdplay produces the same
> > result.
>
> Could this be similar to bug 6836911 "audio810: audioplay hangs"
> http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6836911 ?
Could be. The stacktrace for audioplay looks similar.
> >From a csh / tcsh shell, try
>
> repeat 20 audioplay /usr/demo/SOUND/sounds/touchtone.0.au
>
> Does that play the touchtone clip twenty times?
> Or does it hang in audioplay sometimes?
It hangs after playing seven times.
Any other suggestions?
Thanks,
<mike
--
Mike Meyer <mwm at mired.org> http://www.mired.org/consulting.html
Independent Network/Unix/Perforce consultant, email for more information.
O< ascii ribbon campaign - stop html mail - www.asciiribbon.org
