I have hit this in past over VLC usage in report: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1040721
I close the older report as dublicate. Heaader of bug 1040721:-------------------------------------- I have used VLC Media Player to open a dvd from dvd palyer. On simply choosing in VLC media player menu -> Media -> Open Media ... (or STRG + D) the xorg-server crashed reproducible. Steps to reproduce: 1.Install VLC media player on Ubuntu12.10 Quantal version 2.0.3-2(latest) 2.Insert a dvd(movie) in your dvd harddrive. 3.Open VLC 4.Use Media -> Open Media... or (STRG +D) 5.See the xorg-server crashing(more correct: see the login screen after some moments) Additional: It may be not needed to perform step2 of the reproducing procedure. ** Description changed: xorg server crashed reproducible on using the reproducing procedure from https://bugs.launchpad.net/ubuntu/+source/bzr-explorer/+bug/1001711 Copy here: "Reproducing: 1.Install bzr-explorer 2.start bzr-explorer 3.Click the "Setup and peronalize Bazaar" button 4.click the customize button in there. 5.See the system get unusable as described. " + --------------------------------------------------- + + Alternative reproducing steps from bug 1040721 (VLC Media player + inducing): + + "Steps to reproduce: + + 1.Install VLC media player on Ubuntu12.10 Quantal version 2.0.3-2(latest) + 2.Insert a dvd(movie) in your dvd harddrive. + 3.Open VLC + 4.Use Media -> Open Media... or (STRG +D) + 5.See the xorg-server crashing(more correct: see the login screen after some moments) + + Additional: + + It may be not needed to perform step2 of the reproducing procedure. + " ProblemType: Crash DistroRelease: Ubuntu 12.10 Package: xserver-xorg-core 2:1.12.99.905-0ubuntu3 ProcVersionSignature: Ubuntu 3.5.0-13.14-generic 3.5.3 Uname: Linux 3.5.0-13-generic x86_64 ApportVersion: 2.5.1-0ubuntu4 Architecture: amd64 Date: Sat Sep 1 12:36:48 2012 DistUpgraded: Fresh install DistroCodename: quantal DistroVariant: ubuntu DkmsStatus: - virtualbox, 4.1.18, 3.5.0-10-generic, x86_64: installed - virtualbox, 4.1.18, 3.5.0-11-generic, x86_64: installed - virtualbox, 4.1.18, 3.5.0-12-generic, x86_64: installed - virtualbox, 4.1.18, 3.5.0-13-generic, x86_64: installed + virtualbox, 4.1.18, 3.5.0-10-generic, x86_64: installed + virtualbox, 4.1.18, 3.5.0-11-generic, x86_64: installed + virtualbox, 4.1.18, 3.5.0-12-generic, x86_64: installed + virtualbox, 4.1.18, 3.5.0-13-generic, x86_64: installed ExecutablePath: /usr/bin/Xorg GraphicsCard: - Advanced Micro Devices [AMD] nee ATI Device [1002:9808] (prog-if 00 [VGA controller]) - Subsystem: Hewlett-Packard Company Device [103c:1885] + Advanced Micro Devices [AMD] nee ATI Device [1002:9808] (prog-if 00 [VGA controller]) + Subsystem: Hewlett-Packard Company Device [103c:1885] InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120722) Lsusb: - Bus 001 Device 002: ID 04f2:b2f4 Chicony Electronics Co., Ltd - Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub - Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub - Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub - Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub + Bus 001 Device 002: ID 04f2:b2f4 Chicony Electronics Co., Ltd + Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub + Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub + Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub + Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: Hewlett-Packard HP 655 Notebook PC ProcCmdline: /usr/bin/X :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none ProcEnviron: - + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-13-generic root=UUID=90fd01e1-3896-4a96-babc-048fb146d8e0 ro quiet splash vt.handoff=7 Signal: 6 SourcePackage: xorg-server StacktraceTop: - ?? () from /usr/lib/xorg/modules/drivers/radeon_drv.so - ?? () - ?? () - DRI2GetBuffersWithFormat () - ?? () + ?? () from /usr/lib/xorg/modules/drivers/radeon_drv.so + ?? () + ?? () + DRI2GetBuffersWithFormat () + ?? () Title: Xorg crashed with SIGABRT in DRI2GetBuffersWithFormat() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: - + dmi.bios.date: 04/27/2012 dmi.bios.vendor: Insyde dmi.bios.version: F.02 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 1885 dmi.board.vendor: Hewlett-Packard dmi.board.version: 66.11 dmi.chassis.asset.tag: Chassis Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnInsyde:bvrF.02:bd04/27/2012:svnHewlett-Packard:pnHP655NotebookPC:pvr0798100000005210002600000:rvnHewlett-Packard:rn1885:rvr66.11:cvnHewlett-Packard:ct10:cvrChassisVersion: dmi.product.name: HP 655 Notebook PC dmi.product.version: 0798100000005210002600000 dmi.sys.vendor: Hewlett-Packard version.compiz: compiz 1:0.9.8+bzr3319-0ubuntu3 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.38-0ubuntu2 version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20120821.c1114c61-0ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20120821.c1114c61-0ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.12.99.905-0ubuntu3 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120713.6ef1ad6a-0ubuntu1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.3-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.1-4~ubuntu1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1044680 Title: Xorg crashed with SIGABRT in radeon_get_pixmap_bo() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1044680/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs