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[Launchpad Bug Tracker <1451165@xxxxxxxxxxxxxxxxxx>]

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Platform: Lenovo T450s
Desktop Environment: Cinnamon
Driver Version: 2.99.910-0ubuntu1.6

The GPU Hangs after a suspend/resume when the AC is not connected. But
this behavior is not allays the case, but in most of the cases.

[  102.885927] [drm] stuck on render ring
[  102.886800] [drm] GPU HANG: ecode 0:0x5fd68105, in Xorg [1553], reason: Ring hung, action: reset
[  102.886802] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[  102.886802] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[  102.886803] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[  102.886803] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[  102.886804] [drm] GPU crash dump saved to /sys/class/drm/card0/error

** Affects: xorg (Ubuntu)
     Importance: Low
         Status: Incomplete


** Tags: hd550 i7-5600u i915 intel
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GPU HANG after suspend/resume
https://bugs.launchpad.net/bugs/1451165
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