Timo, this affects me too, I have: Intel(R) Core(TM) i7-3517UE CPU and HM75 chipset, Ubuntu 12.04 64-bit.
On my system with kernek 3.2.0-24 freeze can be reproduces in 2-3 minutes under high load cpu and 3D operations: #!/bin/bash cpu_num=`cat /proc/cpuinfo | grep processor | wc -l` for i in `seq 1 $cpu_num`; do gzip -c /dev/urandom > /dev/null & vblank_mode=0 glxgears & done top 3.4.0 seems to be stable couple of days, is it possible to backport whole 3.4.0 kernel to 12.04? -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/999910 Title: [IVB]12.04 64 bit System freezes (mouse, keyboard) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/999910/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp