I also tried to capture a trace dump as described in https://help.ubuntu.com/community/DebuggingSystemCrash. Unfortunately this doesn't work. I tried it on the last 3 freezes, but nothing was written to the kern.log
I also tried to capture a trace dump as described in https:/ /help.ubuntu. com/community/ DebuggingSystem Crash. Unfortunately this doesn't work. I tried it on the last 3 freezes, but nothing was written to the kern.log