Hi Gabor. Check if this problem was solved in latest openchrome revision.
Please build/install the latest openchrome driver The detail build instruction for Ubuntu/Debian is available at: https://help.ubuntu.com/community/OpenChrome Next attach your /var/log/Xorg.0.log file. I think it could be Linux kernel related problem, for example: https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/574573 https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/677440 ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-openchrome in ubuntu. https://bugs.launchpad.net/bugs/422202 Title: [P4M900] Laptop TFT flickers after wake up from S3 sleep _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

