Ok, test results. Ran on Thinkpar T510 (Optimus graphics). BIOS config is either Integrated graphics (Intel) or Discrete (Nvidia). The nouveau open source driver is used for nvidia configurations. This is on latest natty.
BIOS; Dock config => Results 1- Integrated Graphics; In dock at boot, single screen => gitk works 2- Integrated Graphics; In dock at boot, two screens => gitk works 3- Discrete Graphics; In dock at boot, two screens => X crashes completely (back to login screen) 4- Discrete Graphics; In dock only after X starts, two screens configured with xrandr => X freezes (Image is frozen but cursor still follows mouse movements) 5- Discrete Graphics; In dock at boot, removed from dock after X starts, reconfigure to single screen with xrandr => X freezes (Image is frozen but cursor still follows mouse movements) I've had similar symptoms at other times, but I only identified gitk as consistently triggering the bug. In any event, this il definitely: -Related to multi-screen configurations -Doesn't occur on i965 driver -Aparently common to both closed nvidia driver and open nouveau driver. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/659473 Title: gitk crashes entire X session -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
