Red Hat Bugzilla – Bug 443591
Machine hangs for several minutes
Last modified: 2008-06-16 23:07:00 EDT
Description of problem:
My system hangs for several minutes two or three times in a week. I keep the
machine on all the time. It has occurred almost ten times on an Acer laptop and
once on a no-name desktop system.
It happens usually when I'm watching and recording digital TV (using Cinergy T2
USB DVB-T tuner) in Kaffeine. Suddenly the picture and sound freezes. I can move
the cursor, but the screen does not react. Pressing the Caps Lock does not blink
the Caps Lock LED. After 1..20 minutes the sound and picture in Kaffeine start
running again. The system clock is not updated during the freeze, so after a
while ntpd writes to system log "time reset +1279.503359 s"!
Once the hang happened when Kaffeine was recording a TV program without
displaying it on the screen.
These hangs started about two months ago.
Version-Release number of selected component (if applicable):
It happens by itself 1..2 times a week. I can't make it happen on command.
Steps to Reproduce:
1. Watch and record digital TV and wait.
System hangs for several minutes.
Created attachment 303371 [details]
dmesg after two hangs
Can you pinpoint where the hangs happened exactly? Maybe by looking in the
system log and checking the timestamps?
I have looked at all files in /var/log which were changed about the time of the
hang, but there are nothing.
The attached dmesg contains two hangs, but there is nothing special at the time
of the hangs.
Do you have any ideas how I could prepare for the next hang?
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