Potentially, either or both of these options in your xorg.conf might produce more detailed information in your /var/log/Xorg.0.log when these freezes occur. Also capture dmesg and /sys/kernel/debug/dri/0/i915_error_state from while the machine is locked (i.e., ssh into it over ethernet). All three attachments must be collected together at the same time, to ensure consistent data.
Option "DebugFlushCaches" "True" and/or Option "DebugFlushBatches" "True" -- 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/768184 Title: [i965gm] GPU lockup (ESR: 0x00000001 IPEHR: 0x01800020) - Black screen (dpms?) To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/768184/+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
