when there is no sound card detected by pulseaudio server and PA server load "Dummy Output" module
aplay -l aplay : device_list :235 no soundcards found... application can still use the "pcm" device of pulse with "Dummy Output" module but "ctl" device of pulse seem disappear alsamixer cannot open mixer : no such file or directory gnome-alsamixer (gnome-alsamixer:1335) GLib-Object-CRITICAL **: gtype_instance_get_private : assertion failure ' Instance != NULL && instance->g_class != NULL' failed The above situation can be reproduced by virutalbox with sb16 in Maverick , since the "virtual sb16" cannot be autoloaded because of isapnp , the PA server cannot detect any sound card and use "Dummy Output" after manual load by "sudo modprobe snd-sb16 isapnp=0" alsamixer and gnome-alsamixer work fine after restart of PA server by logout/login This mean that PA should also provide ctl.pulse for those mixer application such as gnome-alsamixer when there is no sound card detected -- gnome-alsamixer crashed with SIGSEGV in g_closure_invoke() https://bugs.launchpad.net/bugs/448180 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
