Launchpad has imported 1 comments from the remote bug at https://bugs.freedesktop.org/show_bug.cgi?id=44999.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2012-01-20T18:03:19+00:00 Bryce Harrington wrote: Forwarding this bug from Ubuntu reporter Martin Pool: http://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/906086 [Problem] if I try to turn the external display up above 1600x1200 the kernel oopses (unrecoverably) inside i915_gen_init_ioctl. See attached photo showing the full trace. BUG: unable to handle kernel NULL pointer dereference at 000000000000030 IP: i915_gem_get_aperture_ioctl+0x67/0xb0 [i915] Oops: 0000 [#1] SMP Process Xorg Call trace: drm_ioctl+0x444/0x510 ? i915_gem_init_ioctl ? do_page_fault do_vfs_ioctl ? vfs_write sys_ioctl system_call_fastpath [Original Description] Following on from bug 745112 but on precise - similar but different symptoms so a separate bug. With an external monitor connected through the doc displayport of a thinkpad x201, running current precise: * the internal screen looks ok * if I use the display control panel to try to turn off the internal screen and use only the external screen, it looks distorted and flickery, with two panels, as if it's trying to show two desktops on the same display; when the safety timeout expires it recovers ok * if I have the displays side by side and the external display at a low resolution, it works ok * if I try to turn the external display up above 1600x1200 the kernel oopses (unrecoverably) inside i915_gen_init_ioctl DistroRelease: Ubuntu 12.04 Package: xserver-xorg 1:7.6+7ubuntu7 ProcVersionSignature: Ubuntu 3.2.0-5.11-generic 3.2.0-rc5 Uname: Linux 3.2.0-5-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 1.90-0ubuntu1 Architecture: amd64 CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,gnomecompat,mousepoll,imgpng,place,regex,session,unitymtgrabhandles,resize,vpswitch,animation,grid,move,snap,wall,expo,workarounds,ezoom,fade,scale,unityshell] CompositorRunning: compiz Date: Mon Dec 19 09:56:07 2011 DistUpgraded: Log time: 2011-12-15 10:06:44.057094 DistroCodename: precise DistroVariant: ubuntu EcryptfsInUse: Yes ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu GraphicsCard: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device [17aa:215a] InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007) MachineType: LENOVO 3249CTO ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-5-generic root=UUID=8aff985d-377a-420d-a38e-62ce8bd54504 ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: Upgraded to precise on 2011-12-15 (3 days ago) dmi.bios.date: 05/31/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 6QET66WW (1.36 ) dmi.board.name: 3249CTO dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr6QET66WW(1.36):bd05/31/2011:svnLENOVO:pn3249CTO:pvrThinkPadX201:rvnLENOVO:rn3249CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 3249CTO dmi.product.version: ThinkPad X201 dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu8 version.ia32-libs: ia32-libs 20090808ubuntu26 version.libdrm2: libdrm2 2.4.27-1ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu4 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu4 version.xserver-xorg-core: xserver-xorg-core 2:1.10.4-1ubuntu6 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu4 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1 Reply at: https://bugs.launchpad.net/xserver-xorg-video- intel/+bug/906086/comments/7 ** Changed in: xserver-xorg-video-intel Status: Unknown => Confirmed ** Changed in: xserver-xorg-video-intel Importance: Unknown => High -- 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/906086 Title: [arrandale] kernel OOPS setting external monitor to a higher resolution To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/906086/+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
