[Bug 94684] Crash intel driver when i wakeup

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94684

--- Comment #4 from vide80 at gmail.com ---
I'm using Ubuntu 16.04 with 4.6.0-040600-generic from Mainline Kernel builds
and I'm experiencing a similar bug, with this log in dmesg:

[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO
underrun

I'm using a 2015 MacBook with

00:02.0 VGA compatible controller: Intel Corporation Broadwell-U Integrated
Graphics (rev 09) (prog-if 00 [VGA controller])

and when this dmesg line appears, my xorg session completely freeze, only the
mouse pointer keeps moving. I can switch to another tty and the system is
working normally, restarting XOrg works too

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