Hi, I have just experienced X being shut down once with 4.11-rc2 and 2 times with 4.11-rc6 kernel. I do not remember seeing something like this before but it is quite possible I was just lucky to not trigger this issue before. It always happened while I was working on a presentation in LibreOffice which I do very seldom. The kernel log contains: [ 7456.721893] [drm] GPU HANG: ecode 9:0:0x86dffffd, in Xorg [3594], reason: Hang on render ring, action: reset [ 7456.721897] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 7456.721898] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 7456.721900] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 7456.721901] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ 7456.721902] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ 7456.721925] drm/i915: Resetting chip after gpu hang [ 7456.722117] [drm] RC6 on [ 7456.734588] [drm] GuC firmware load skipped [ 7464.686209] drm/i915: Resetting chip after gpu hang [ 7464.686284] [drm] RC6 on [ 7464.702469] [drm] GuC firmware load skipped [ 7472.686180] drm/i915: Resetting chip after gpu hang [ 7472.686241] [drm] RC6 on [ 7472.704565] [drm] GuC firmware load skipped [ 7480.686179] drm/i915: Resetting chip after gpu hang [ 7480.686241] [drm] RC6 on [ 7480.704583] [drm] GuC firmware load skipped [ 7493.678130] drm/i915: Resetting chip after gpu hang [ 7493.678206] [drm] RC6 on [ 7493.696505] [drm] GuC firmware load skipped The kernel message tells that the problem might be anywhere and I should report to freedesktop but I haven't changed the userspace recently so it smells more like a kernel bug to me. Does this ring bells? The GPU crash dump is attached in case it is useful. Let me know if you need additional information. Thanks! -- Michal Hocko SUSE Labs
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