[Bug 111812] New: i915 0000:00:02.0: GPU HANG: ecode 9:0:0x00000000, hang on rcs0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111812

            Bug ID: 111812
           Summary: i915 0000:00:02.0: GPU HANG: ecode 9:0:0x00000000,
                    hang on rcs0
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: not set
          Priority: not set
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: freedesktop at inbx.org
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

I am on latest Arch, all recent. Just experience a GUI-hang with mostly
Terminals, Firefox and Emacs open. All on sway / Wayland. An external
4k-Monitor was attached via USB-C.

HW is a recent Lenovo X390.
[ 9225.720061] i915 0000:00:02.0: GPU HANG: ecode 9:0:0x00000000, hang on rcs0
[ 9225.720062] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 9225.720063] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 9225.720063] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 9225.720063] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 9225.720064] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 9225.721091] i915 0000:00:02.0: Resetting rcs0 for hang on rcs0

/sys/class/drm/card0/error is empty but was created on hang. This is how the
dir looks like:

card0 l
total 0
drwxr-xr-x 9 root root    0 Sep 25 08:05 .
drwxr-xr-x 4 root root    0 Sep 25 08:05 ..
drwxr-xr-x 5 root root    0 Sep 25 08:05 card0-DP-1
drwxr-xr-x 5 root root    0 Sep 25 08:05 card0-DP-2
drwxr-xr-x 6 root root    0 Sep 25 08:05 card0-eDP-1
drwxr-xr-x 3 root root    0 Sep 25 08:05 card0-HDMI-A-1
drwxr-xr-x 3 root root    0 Sep 25 08:05 card0-HDMI-A-2
-r--r--r-- 1 root root 4.0K Sep 25 10:46 dev
lrwxrwxrwx 1 root root    0 Sep 25 08:05 device -> ../../../0000:00:02.0
-rw------- 1 root root    0 Sep 25 10:46 error
-r--r--r-- 1 root root 4.0K Sep 25 10:46 gt_act_freq_mhz
-rw-r--r-- 1 root root 4.0K Sep 25 10:46 gt_boost_freq_mhz
-r--r--r-- 1 root root 4.0K Sep 25 10:46 gt_cur_freq_mhz
-rw-r--r-- 1 root root 4.0K Sep 25 10:46 gt_max_freq_mhz
-rw-r--r-- 1 root root 4.0K Sep 25 10:46 gt_min_freq_mhz
-r--r--r-- 1 root root 4.0K Sep 25 10:46 gt_RP0_freq_mhz
-r--r--r-- 1 root root 4.0K Sep 25 10:46 gt_RP1_freq_mhz
-r--r--r-- 1 root root 4.0K Sep 25 10:46 gt_RPn_freq_mhz
drwxr-xr-x 3 root root    0 Sep 25 10:46 metrics
drwxr-xr-x 2 root root    0 Sep 25 08:05 power
lrwxrwxrwx 1 root root    0 Sep 25 08:05 subsystem -> ../../../../../class/drm
-rw-r--r-- 1 root root 4.0K Sep 25 08:05 uevent

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