** Description changed: Binary package hint: xserver-xorg-video-intel This concerns xserver-xorg-video-intel 2:2.4.1-1ubuntu10 in Intrepid. I have a bog-standard Dell Optiplex 755 corporate PC with Intel onboard video. When I start a full-screen OpenGL application, such as Openarena or Kobo Deluxe (in GL driver mode), sometimes the screen goes black and the console becomes unresponsive (Ctrl+Alt+F2, Ctrl+Alt+Backspace, Alt+Sysrq+B, Caps/Num/Scroll Lock). The system still accepts SSH logins, however, and otherwise continues to run. I've observed a couple of different failure modes so far: Kobo Deluxe: Screen goes black, console unresponsive. Application can be killed with SIGHUP. X server then maxes out the CPU, and /var/log/Xorg.0.log begins to grow very quickly, about four megabytes per second. (Note that this is with the program configured to use its OpenGL driver, and run full-screen.) Openarena: Screen goes black, white "text-area" cursor appears in center of screen after a couple seconds, pointer and console remain unresponsive. X server is pegging the CPU; log file is ballooning in size. In either case, the runaway X server can be killed with SIGQUIT. It restarts, and I get an "Ubuntu is running in low-graphics mode" dialog. A few more clicks gets GDM back up, and I can log in again as usual, but the video hardware is in a strange state thereafter: If I switch to a virtual terminal, the screen turns black with white "snow" all over, and thicker "snow" wherever text should be. (You can sort-of see the login prompt at the top left, and when you log in, you see the snow-ified MOTD, etc.). Switching back to VT7 does not return to X; in fact, the X server is nowhere to be found. No error message in Xorg.0.log, etc.--- the only clue is a bizarre message from GDM in daemon.log: "WARNING: Display :0 is busy. There is another X server running already." I will attach some Xorg.0.log* files, the error dialog, and the output of "lspci -vvnn". Note: I have experience with GDB and other such tools, but not with X.org's internals. I would be happy to provide telemetry on this if I am told where to look. + + [lspci] + 00:00.0 Host bridge [0600]: Intel Corporation 82Q35 Express DRAM Controller [8086:29b0] (rev 02) + Subsystem: Dell Device [1028:0211] + 00:02.0 VGA compatible controller [0300]: Intel Corporation 82Q35 Express Integrated Graphics Controller [8086:29b2] (rev 02) + Subsystem: Dell Device [1028:0211]
-- [iQ35] Blank screen, unresponsive console when starting full-screen OpenGL apps https://bugs.launchpad.net/bugs/309784 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
