[Bug 81673] New: drm: gpu hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81673

          Priority: medium
            Bug ID: 81673
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: drm: gpu hang
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: neembi at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 103334
  --> https://bugs.freedesktop.org/attachment.cgi?id=103334&action=edit
GPU crash dump

My desktop froze up a bunch (a few seconds), and after that mpv and vlc both
segfaulted. (The froze up a bunch is a bit simplistic... my actions were
completed afterwards in time-lapse... or whatever.)

You said it, I'll do it. Here is the output of dmesg. Attached is the dump.

...
[   14.724851] Key type dns_resolver registered
[   14.732568] NFS: Registering the id_resolver key type
[   14.732579] Key type id_resolver registered
[   14.732580] Key type id_legacy registered
[ 1973.007106] usb 2-1.1: USB disconnect, device number 3
[ 1973.404062] thinkpad_acpi: EC reports that Thermal Table has changed
[ 4857.012966] [drm] stuck on render ring
[ 4857.012972] [drm] stuck on blitter ring
[ 4857.013517] [drm] GPU HANG: ecode 0:0xf4e9fffe, in X [327], reason: Ring
hung, action: reset
[ 4857.013521] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 4857.013523] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 4857.013525] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 4857.013527] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 4857.013529] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 4857.013601] [drm:i915_context_is_banned] *ERROR* gpu hanging too fast,
banning!
[ 4859.013347] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
[ 4880.492645] mpv[12966]: segfault at 210 ip 00007fc8eb68a9e3 sp
00007ffffb8aa8a0 error 4 in i965_dri.so[7fc8eb333000+508000]
[ 4892.749669] vlc[13017]: segfault at 200 ip 00007f2137bec22f sp
00007f214c1407d0 error 4 in i965_dri.so[7f21378cc000+508000]

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