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): kernel-2.6.23.15-80.fc7 kaffeine-0.8.6-3.fc7 xine-lib-1.1.11.1-1.fc7.1 How reproducible: 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. Actual results: System hangs for several minutes. Expected results: No hangs. Additional info:
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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