From: bugtrack@alsa-project.org
To: alsa-devel@alsa-project.org
Subject: [ALSA - lib 0001074]: pcm_dmix hangs on device close
Date: Mon, 9 May 2005 17:33:09 +0200 [thread overview]
Message-ID: <579bc268fd341de9d22e9800aafe1caf@bugtrack.alsa-project.org> (raw)
A NOTE has been added to this issue.
======================================================================
<https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1074>
======================================================================
Reported By: ikonst
Assigned To:
======================================================================
Project: ALSA - lib
Issue ID: 1074
Category: pcm - digital audio
Reproducibility: always
Severity: minor
Priority: normal
Status: new
======================================================================
Date Submitted: 04-24-2005 08:48 CEST
Last Modified: 05-09-2005 17:33 CEST
======================================================================
Summary: pcm_dmix hangs on device close
Description:
The fix in pcm_dmix.c revision 1.71 causes the following regression:
Everytime I access a Flash site thru my 'aoss'-wrapped Mozilla, it hangs:
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=0 0x40a951c3 in poll ()
from /lib/tls/libc.so.6
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1 0x4001a1fd in poll ()
from /usr/lib/libaoss.so
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2 0x40c7bf78 in
snd_pcm_wait_nocheck (pcm=0x9a7a6a0, timeout=-1)
at pcm.c:2234
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3 0x40cb27fb in
snd_pcm_dmix_drain (pcm=0x9a7a6a0) at pcm_dmix.c:504
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4 0x40c79bd4 in
snd_pcm_drain (pcm=0xfffffffc) at pcm.c:1044
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=5 0x40c8cbb7 in
snd_pcm_generic_drain (pcm=0xfffffffc) at
pcm_generic.c:151
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=6 0x40c79bd4 in
snd_pcm_drain (pcm=0xfffffffc) at pcm.c:1044
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=7 0x40bb24e7 in
lib_oss_pcm_close () from /usr/lib/libalsatoss.so.0
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=8 0x400199b4 in close ()
from /usr/lib/libaoss.so
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=9 0x441712b9 in
PlatformSoundMix::UnlockAudioCallback ()
from /usr/lib/flashplugin-nonfree/libflashplayer.so
...
======================================================================
----------------------------------------------------------------------
chtephan - 05-09-05 17:33
----------------------------------------------------------------------
I can confirm this. Seeing exactly the same with beep-media-player and dmix
here.
Seems this was introduced with 1.0.9-rc3, but worked with 1.0.9-rc2.
Here's a duplicate:
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1091
(TASK_INTERRUPTIBLE in schedule())
May 9 17:30:24 leto [<d1bbefd4>] snd_timer_user_read+0xb4/0x230
[snd_timer]
May 9 17:30:24 leto [<c0161d25>] vfs_read+0x95/0x160
May 9 17:30:24 leto [<c016207d>] sys_read+0x3d/0x70
May 9 17:30:24 leto [<c01030ab>] sysenter_past_esp+0x54/0x75
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=0 0xffffe410 in
__kernel_vsyscall ()
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1 0x4124161b in
__read_nocancel () from /lib/libpthread.so.0
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2 0x41d7f071 in
snd_timer_hw_read () from /usr/lib/libasound.so.2
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3 0x41d7e9c9 in
snd_timer_read () from /usr/lib/libasound.so.2
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4 0x41d6b30a in
snd_pcm_direct_clear_timer_queue () from
/usr/lib/libasound.so.2
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=5 0x41d6b34d in
snd_pcm_direct_timer_stop () from
/usr/lib/libasound.so.2
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=6 0x41d6d444 in
snd_pcm_dmix_drop () from /usr/lib/libasound.so.2
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=7 0x41d333f2 in
snd_pcm_drop () from /usr/lib/libasound.so.2
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=8 0xb76b0eeb in
alsa_pause () from /usr/lib/bmp/Output/libALSA.so
Linux 2.6.12-rc3-mm3
Issue History
Date Modified Username Field Change
======================================================================
04-24-05 08:48 ikonst New Issue
05-09-05 17:33 chtephan Note Added: 0004627
======================================================================
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next reply other threads:[~2005-05-09 15:33 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-09 15:33 bugtrack [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-08-09 11:44 [ALSA - lib 0001074]: pcm_dmix hangs on device close bugtrack
2005-05-17 15:51 bugtrack
2005-05-15 13:45 bugtrack
2005-05-13 20:57 bugtrack
2005-05-12 11:50 bugtrack
2005-05-12 11:34 bugtrack
2005-05-11 16:11 bugtrack
2005-05-11 15:23 bugtrack
2005-05-09 18:42 bugtrack
2005-04-24 6:48 bugtrack
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