[Bug 107017] New: GPU HANG: ecode 9:0:0xfffffffe, reason: hang on rcs0, bcs0, vcs0, vecs0, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107017

            Bug ID: 107017
           Summary: GPU HANG: ecode 9:0:0xfffffffe, reason: hang on rcs0,
                    bcs0, vcs0, vecs0, action: reset
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: alexandref75 at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 140304
  --> https://bugs.freedesktop.org/attachment.cgi?id=140304&action=edit
Crash file extrated from /sys/class/drm/card0/error

On 4.18.0-rc2 and rc1 this error occurs during kernel boot:
[    0.342047] [drm] VT-d active for gfx access
[    0.342049] fb: switching to inteldrmfb from EFI VGA
[    0.342092] [drm] Replacing VGA console driver
[    0.342835] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    0.342835] [drm] Driver supports precise vblank timestamp query.
[    0.343538] [drm] Finished loading DMC firmware i915/skl_dmc_ver1_27.bin
(v1.27)
[    0.343787] [drm] Disabling framebuffer compression (FBC) to prevent screen
flicker with VT-d enabled
[    4.801171] [drm] GPU HANG: ecode 9:0:0xfffffffe, reason: hang on rcs0,
bcs0, vcs0, vecs0, action: reset
[    4.801172] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[    4.801172] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[    4.801173] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[    4.801173] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[    4.801173] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[   10.817596] [drm] Initialized i915 1.6.0 20180514 for 0000:00:02.0 on minor
0
[   10.847297] fbcon: inteldrmfb (fb0) is primary device
[   10.927807] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[   11.207607] ata1.00: supports DRM functions and may not be fully accessible
[   11.210268] ata1.00: supports DRM functions and may not be fully accessible

Kernel 4.17.X all boots fine. The GPU crash file is attached.

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