[Pkg-alsa-devel] Bug#356049: libasound: libasound hangs in snd_pcm_dmix_open

[Greg Kochanski]

Package: libasound2
Version: 1.0.13-2
Followup-For: Bug #356049




A related problem is that the flashplugin-nonfree hangs in snd_pcm_dmix_open
when playing things on youtube.com with iceweasel.

Here's the gdb backtrace:

(gdb) bt
#0  0xb7f73792 in ?? () from /lib/ld-linux.so.2
#1  0xb7485b5b in semop () from /lib/tls/i686/cmov/libc.so.6
#2  0xb5d64e70 in snd_pcm_dmix_open () from /usr/lib/libasound.so.2
#3  0xb5d65a20 in _snd_pcm_dmix_open () from /usr/lib/libasound.so.2
#4  0xb5d33034 in snd_pcm_free () from /usr/lib/libasound.so.2
#5  0xb5d33688 in snd_pcm_free () from /usr/lib/libasound.so.2
#6  0xb5d33743 in snd_pcm_open_slave () from /usr/lib/libasound.so.2
#7  0xb5d6f014 in _snd_pcm_softvol_open () from /usr/lib/libasound.so.2
#8  0xb5d33034 in snd_pcm_free () from /usr/lib/libasound.so.2
#9  0xb5d33772 in snd_pcm_open_slave () from /usr/lib/libasound.so.2
#10 0xb5d4f809 in _snd_pcm_plug_open () from /usr/lib/libasound.so.2
#11 0xb5d33034 in snd_pcm_free () from /usr/lib/libasound.so.2
#12 0xb5d33772 in snd_pcm_open_slave () from /usr/lib/libasound.so.2
#13 0xb5d6c972 in _snd_pcm_asym_open () from /usr/lib/libasound.so.2
#14 0xb5d33034 in snd_pcm_free () from /usr/lib/libasound.so.2
#15 0xb5d33688 in snd_pcm_free () from /usr/lib/libasound.so.2
#16 0xb08d96c5 in NP_Shutdown () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#17 0xb08da134 in NP_Shutdown () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#18 0xb0b37ab1 in NP_Shutdown () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#19 0xb0b37ced in NP_Shutdown () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#20 0xb0c35715 in NP_Shutdown () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#21 0xb0c359c4 in NP_Shutdown () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#22 0xb0c401b4 in NP_Shutdown () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#23 0xb0c17941 in NP_Shutdown () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#24 0xb0bf1a31 in NP_Shutdown () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#25 0xb08b00db in NP_Shutdown () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#26 0xb0836b2e in NP_Shutdown () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#27 0xb7644cf6 in g_source_get_current_time () from /usr/lib/libglib-2.0.so.0
#28 0xb7644731 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#29 0xb76477a6 in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#30 0xb7647b67 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#31 0xb7bf7281 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#32 0x082d9202 in ?? ()
#33 0x08c73fc0 in ?? ()
#34 0x08c7ce20 in ?? ()
---Type <return> to continue, or q <return> to quit---
#35 0xbfd18f88 in ?? ()
#36 0x08804730 in ?? ()
#37 0x08c73fc0 in ?? ()
#38 0x08d95498 in ?? ()
#39 0xbfd192c8 in ?? ()
#40 0x0807d10b in ?? ()
#41 0x08c7ce20 in ?? ()
#42 0x0898ae70 in _IO_stdin_used ()
#43 0x00000000 in ?? ()
(gdb)



-- System Information:
Debian Release: lenny/sid
  APT prefers testing
  APT policy: (500, 'testing'), (50, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 2.6.20-1-686 (SMP w/1 CPU core)
Locale: LANG=en_GB, LC_CTYPE=en_GB (charmap=ISO-8859-1)
Shell: /bin/sh linked to /bin/bash

Versions of packages libasound2 depends on:
ii  libc6                       2.3.6.ds1-13 GNU C Library: Shared libraries

libasound2 recommends no packages.

-- no debconf information