Bug#374831: gnome-applets: mixer_applet2 takes maximum CPU after ACPI resume

[thomas schorpp]

Josselin Mouette schrieb:
> reassign 374831 gstreamer0.10-alsa 0.10.19-2
> kthxbye
> 
> Le vendredi 21 novembre 2008 à 13:16 +0100, thomas schorpp a écrit :
>> [Switching to thread 2 (Thread 0x42088950 (LWP 5925))]#0  0x00007f7ed82f1b66 in poll () from /lib/libc.so.6
>> (gdb) bt full
>> #0  0x00007f7ed82f1b66 in poll () from /lib/libc.so.6
>> No symbol table info available.
>> #1  0x00007f7ecd19e6ee in task_monitor_alsa (data=<value optimized out>) at gstalsamixer.c:416
>> 	pfds = (struct pollfd *) 0x42087f80
>> 	nfds = 1
>> 	rnfds = 1
>> 	revents = 40
>> 	mixer = (GstAlsaMixer *) 0x8d2ea0
>> 	__PRETTY_FUNCTION__ = "task_monitor_alsa"
>> #2  0x00007f7edadef8d9 in gst_task_func (task=0x6403e0, tclass=<value optimized out>) at gsttask.c:192
>> 	lock = (GStaticRecMutex *) 0x91ae90
>> 	tself = <value optimized out>
>> 	__PRETTY_FUNCTION__ = "gst_task_func"
>> #3  0x00007f7ed87fd9e7 in g_thread_pool_thread_proxy (data=<value optimized out>)
>>     at /build/buildd/glib2.0-2.16.6/glib/gthreadpool.c:265
>> 	task = (gpointer) 0x6403e0
>> 	pool = (GRealThreadPool *) 0x9d6680
>> #4  0x00007f7ed87fc454 in g_thread_create_proxy (data=0x9e70a0) at /build/buildd/glib2.0-2.16.6/glib/gthread.c:635
>> 	__PRETTY_FUNCTION__ = "g_thread_create_proxy"
> 
>> #1 could be alsa driver problem... CC alsa-devel-list?
> 
> This is indeed caused by either gstreamer or alsa; I’ll leave the
> investigation to GStreamer maintainers since it happens in their scope.
> 
> Cheers,

no. ALSA snd-usb-audio PM handlers incomplete/faulty:

bug reproducible by
modprobe -r ehci_hcd uhci_hcd
modprobe uhci_hcd ehci_hcd

with 2.6.28.

y
tom