[Bug 105135] [skl] GPU hanging in Xorg (ecode 9:0:0x85dffffb)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105135

--- Comment #4 from Nathan Sidwell <nathan at acm.org> ---
I'm observing this today, freshly updated Fedora 27

nathans at lyta:1>lspci|grep VGA
00:02.0 VGA compatible controller: Intel Corporation Skylake GT2 [HD Graphics
520] (rev 07)
00:13.0 Non-VGA unclassified device: Intel Corporation Sunrise Point-LP
Integrated Sensor Hub (rev 21)

nathans at lyta:1>glxinfo | grep "OpenGL version"
OpenGL version string: 3.0 Mesa 17.3.5

Feb 26 10:20:52 lyta kernel: usb 2-1.3.3: reset SuperSpeed USB device number 10
using xhci_hcd
Feb 26 10:22:37 lyta kernel: [drm] GPU HANG: ecode 9:0:0x85dffffb, in Xorg
[844], reason: Hang on rcs0, action: reset
Feb 26 10:22:37 lyta kernel: [drm] GPU hangs can indicate a bug anywhere in the
entire gfx stack, including userspace.
Feb 26 10:22:37 lyta kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Feb 26 10:22:37 lyta kernel: [drm] drm/i915 developers can then reassign to the
right component if it's not a kernel issue.
Feb 26 10:22:37 lyta kernel: [drm] The gpu crash dump is required to analyze
gpu hangs, so please always attach it.
Feb 26 10:22:37 lyta kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Feb 26 10:22:37 lyta kernel: i915 0000:00:02.0: Resetting rcs0 after gpu hang
Feb 26 10:22:45 lyta kernel: i915 0000:00:02.0: Resetting rcs0 after gpu hang
Feb 26 10:22:53 lyta kernel: i915 0000:00:02.0: Resetting rcs0 after gpu hang
Feb 26 10:23:01 lyta kernel: i915 0000:00:02.0: Resetting rcs0 after gpu hang
Feb 26 10:23:09 lyta kernel: i915 0000:00:02.0: Resetting rcs0 after gpu hang

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