** Attachment added: "lspci-vnvn.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1488758/+attachment/4452466/+files/lspci-vnvn.log
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1488758 Title: GPU crash on NUC with i915 Status in linux package in Ubuntu: New Bug description: Setup: Intel NUC, i915 graphics, two monitors, one connected with miniHDMI->HDMI cable, second with miniDP->HDMI cable. Screen goes black, flickers back on, goes black again. Only resolution is to ssh into the machine and reboot. Before rebooting, I got lots of these (about 106k lines) in syslog: kernel: [404964.521324] [drm:hsw_unclaimed_reg_detect.isra.12 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.[drm:hsw_unclaimed_reg_detect.isra.12 [i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem. ...then, kernel: [406333.381029] [drm] stuck on render ring kernel: [406333.381945] [drm] GPU HANG: ecode 8:0:0xf5dffffe, in Xorg [918], reason: Ring hung, action: reset kernel: [406333.381947] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. kernel: [406333.381947] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel kernel: [406333.381948] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. kernel: [406333.381949] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. kernel: [406333.381951] [drm] GPU crash dump saved to /sys/class/drm/card0/error kernel: [406333.389006] drm/i915: Resetting chip after gpu hang kernel: [406339.379515] [drm] stuck on render ring kernel: [406339.380430] [drm] GPU HANG: ecode 8:0:0x85dffffb, in webapp-containe [14994], reason: Ring hung, action: reset kernel: [406339.380583] drm/i915: Resetting chip after gpu hang kernel: [406417.336790] [drm] GPU HANG: ecode 8:0:0xf5dffffe, in Xorg [918], reason: Ring hung, action: reset kernel: [406417.343850] drm/i915: Resetting chip after gpu hang kernel: [407944.976072] [drm] GPU HANG: ecode 8:0:0xf5dffffe, in Xorg [918], reason: Ring hung, action: reset kernel: [407944.983106] drm/i915: Resetting chip after gpu hang kernel: [409258.618636] [drm] GPU HANG: ecode 8:0:0xf5dffffe, in Xorg [918], reason: Ring hung, action: reset kernel: [409258.625733] drm/i915: Resetting chip after gpu hang kernel: [409264.604180] [drm] stuck on render ring kernel: [409264.605059] [drm] GPU HANG: ecode 8:0:0xf5dffffe, in Xorg [918], reason: Ring hung, action: reset kernel: [409264.605153] [drm:i915_set_reset_status [i915]] *ERROR* gpu hanging too fast, banning! kernel: [409264.612163] drm/i915: Resetting chip after gpu hang ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: linux-image-3.19.0-26-generic 3.19.0-26.28 ProcVersionSignature: Ubuntu 3.19.0-26.28-generic 3.19.8-ckt4 Uname: Linux 3.19.0-26-generic x86_64 ApportVersion: 2.17.2-0ubuntu1.3 Architecture: amd64 Date: Wed Aug 26 12:31:15 2015 InstallationDate: Installed on 2015-08-01 (24 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-26-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7 SourcePackage: linux UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1488758/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
