Red Hat Bugzilla – Bug 449314
aplay gets stuck after hibernate
Last modified: 2009-01-09 01:33:50 EST
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User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:22.214.171.124) Gecko/20080416 Fedora/126.96.36.199-1.fc8 Firefox/188.8.131.52
Description of problem:
I'm using Fedora 8 installed from the KDE 3.5 CD and updated via yum.
When I boot my machine sound works fine, but after a hibernate cycle, the only input that causes a sound output is the microphone.
However aplay gets stuck trying to play a sound
$ aplay /usr/share/sounds/alsa/Front_Center.wav
I attached to this with kdbg after
# debuginfo-install alsa-utils
and obtained a stack dump - see the snapshot link below for your
This is related to
The snapshot of the kdbg window is
I removed as much of pulseaudio as I could just in case.
$ rpm -qa|grep pulseaudio
Version-Release number of selected component (if applicable):
Steps to Reproduce:
3. $ aplay /usr/share/sounds/alsa/Front_Center.wav
aplay gets stuck
I should have heard a sound followed by aplay completing execution.
Could you check "aplay -D hw:0,0 /usr/share/sounds/alsa/Front_Center.wav" after
the hibernate? It will play sound directly on the sound hardware....
I ran it with and without "time" - the results were the same - no sound.
The mic still works although I suspect that this is because the sound data is
being routed through hardware - just a guess.
$ time aplay -D hw:0,0 /usr/share/sounds/alsa/Front_Center.wav
Playing WAVE '/usr/share/sounds/alsa/Front_Center.wav' : Signed 16 bit Little
Endian, Rate 48000 Hz, Mono
aplay: pcm_write:1266: write error: Input/output error
Can you attach strace output of the "aplay -D hw:0,0
/usr/share/sounds/alsa/Front_Center.wav" after hibernate?
I ran kdbg aplay after hibernate and interrupted it while it paused.
See attachment to follow.
Created attachment 308693 [details]
snapshot of kdbg's stack dump window #2
kdbg aplay -D hw:0,0 /usr/share/sounds/alsa/Front_Center.wav
Hm, seems to be kernel-related. Moving...
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