Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.14 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.14-rc5 ** Tags added: kernel-da-key ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- 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/1723680 Title: GPU Hang in Xorg rcs0 drm/i915 Status in linux package in Ubuntu: Incomplete Bug description: Distributor ID: Ubuntu Description: Ubuntu Artful Aardvark (development branch) Release: 17.10 Codename: artful When using linux kernel linux-image-4.13.0-12-generic to linux- image-4.13.0-16-generic Xorg fails to start with kernel error messages below. Kernel boots and displays messages allows for GUI to enter disk encryption key then tries to start Xorg login. Shows blank screen, sometimes part of login dialog. Then hangs and goes blank usually showing the low graphics mode error screen from Xorg and no functionality after a while. Can ctrl+alt+f1 to console. Using linux-image-4.10.0-35-generic everything works as expected. System worked without issue with Ubuntu 17.04 Kernel error messages: [ 43.836641] [drm] GPU HANG: ecode 8:0:0x00dfffff, in Xorg [1027], reason: Hang on rcs0, action: reset [ 43.836645] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 43.836646] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 43.836647] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 43.836648] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ 43.836649] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ 43.836718] drm/i915: Resetting chip after gpu hang [ 55.812149] drm/i915: Resetting chip after gpu hang [ 63.840645] drm/i915: Resetting chip after gpu hang [ 71.836614] drm/i915: Resetting chip after gpu hang [ 79.836882] drm/i915: Resetting chip after gpu hang [ 88.828508] drm/i915: Resetting chip after gpu hang have tried kernel parameter intel_iommu=off, intel_iommu=igfx_off, i915.enable_rc6=0 with no better results. lshw, dmesg and card0/error file attached. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1723680/+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
