From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.6) Gecko/20050302 Firefox/1.0.1 Fedora/1.0.1-1.3.2 Description of problem: After updating to kernel-2.6.10-1.770_FC3 onboard sound no longer functions. When reverting to kernel-2.6.9-1.667 (the one that comes with FC3) sound behaves normally. Version-Release number of selected component (if applicable): kernel-2.6.10-1.770_FC3 How reproducible: Always Steps to Reproduce: 1. boot kernel-2.6.10-1.770_FC3 Actual Results: Sound no longer works. Expected Results: Sound should work. Additional info: In Gstreamer preferences when I try to test, I receive this error: Failed to construct test pipeline for 'ALSA - Advanced Linux Sound Architecture'. The soundcard detection script detects my soundcard, but fails to play the test sound. alsamixer reports that everything that should be unmuted, is. Audio device is: 00:1f.5 Multimedia audio controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01) Subsystem: IBM: Unknown device 0537 Flags: bus master, medium devsel, latency 0, IRQ 11 I/O ports at 1c00 [size=256] I/O ports at 18c0 [size=64] Memory at c0000c00 (32-bit, non-prefetchable) [size=512] Memory at c0000800 (32-bit, non-prefetchable) [size=256] Capabilities: [50] Power Management version 2 The system is an IBM Thinkpad T42, id 23795VU.
I found out that issuing a suspend to RAM fixed the sound issue. Even after a reboot, the sound seems to work perfectly fine.
An update has been released for Fedora Core 3 (kernel-2.6.12-1.1372_FC3) which may contain a fix for your problem. Please update to this new kernel, and report whether or not it fixes your problem. If you have updated to Fedora Core 4 since this bug was opened, and the problem still occurs with the latest updates for that release, please change the version field of this bug to 'fc4'. Thank you.
I have updated to FC4 and the bug does not occur. Thanks
*** This bug has been marked as a duplicate of 144742 ***