From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.14) Gecko/20080416 Fedora/2.0.0.14-1.fc8 Firefox/2.0.0.14 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 information. This is related to https://bugzilla.redhat.com/show_bug.cgi?id=250033 The snapshot of the kdbg window is https://bugzilla.redhat.com/attachment.cgi?id=307332 I removed as much of pulseaudio as I could just in case. $ rpm -qa|grep pulseaudio pulseaudio-libs-0.9.8-5.fc8 akode-pulseaudio-2.0.2-4.fc8 Version-Release number of selected component (if applicable): alsa-utils-1.0.15-1.fc8 How reproducible: Always Steps to Reproduce: 1. Hibernate 2. Resume 3. $ aplay /usr/share/sounds/alsa/Front_Center.wav Actual Results: aplay gets stuck Expected Results: I should have heard a sound followed by aplay completing execution. Additional info:
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 real 0m10.012s user 0m0.004s sys 0m0.007s
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 After hibernate kdbg aplay -D hw:0,0 /usr/share/sounds/alsa/Front_Center.wav
Hm, seems to be kernel-related. Moving...
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