[Bug 85406] Black screen when visiting some website

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85406

--- Comment #2 from ou.ghorbel at gmail.com ---
Created attachment 108354
  --> https://bugs.freedesktop.org/attachment.cgi?id=108354&action=edit
/sys/class/drm/card0/error

The Xorg log says that it has detected hung GPU.

dmesg outpout:
[  222.804045] [drm] stuck on render ring
[  222.804053] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  222.804055] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[  222.804059] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[  222.804060] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[  222.804062] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[  222.805220] [drm:i915_set_reset_status] *ERROR* render ring hung inside bo
(0x5e56000 ctx 0) at 0x5e561cc
[  222.864062] [drm] GMBUS [i915 gmbus vga] timed out, falling back to bit
banging on pin 2
[  223.316095] [drm:i915_reset] *ERROR* Failed to reset chip.

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