Red Hat Bugzilla – Bug 432966
Unstable boot; audio drivers frequently don't load
Last modified: 2013-01-09 20:47:34 EST
Description of problem:
Audio drivers frequently don't load
Version-Release number of selected component (if applicable):
About 50% of boot attempts
Steps to Reproduce:
1. Normal boot (from hard drive)
Audio drivers don't load (no sound)
After failure, the soundcard detection menu is opened and audio drivers
reloaded, followed by reboot. Success usually occurs within 1-5 subsequent
reboots, reloading the drivers as described each time.
Created attachment 295006 [details]
current fie (audio OK). Earlier file attached to bug 432258. Will resubmit with non-working audio if requested.
Ran another test: Simply rebooting several times produces the same result; no
need to attempt to reload drivers as previously described. Sometimes OK on
initial boot, sometimes takes as many as 5 reboots. Success appears to be random.
Created attachment 295508 [details]
recent portion of /var/log/messages
Seems to indicate a random uart/interrupt problem. Not sure what to do next.
Created attachment 295702 [details]
latest snips from /var/log/messages, dmesg.
Latest attachment seems to be the best collection of clues.
Problem seems to have vanished since receiving the latest automatic updates.
I'll consider it fixed unless it reappears.
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