[Bug 79261] [snb] [Samsung NP530U3C-A02CL] [drm:ilk_display_irq_handler] *ERROR* Pipe A FIFO underrun

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=79261

stuenes at gmail.com changed:

           What    |Removed                     |Added
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                 CC|                            |stuenes at gmail.com

--- Comment #38 from stuenes at gmail.com ---
Same happens on my ASUS X550C.
Boots, and works fine, but this annoying pch FIFO underrun message pops up
every boot.

uname -a:
Linux ASUS-Kali 3.18.0-kali3-amd64 #1 SMP Debian 3.18.6-1~kali2 (2015-03-02)
x86_64 GNU/Linux

dmesg |grep drm
[    7.228235] [drm] Initialized drm 1.1.0 20060810
[    8.337773] [drm] Memory usable by graphics device = 2048M
[    8.337786] fb: switching to inteldrmfb from simple
[    8.338579] [drm] Replacing VGA console driver
[    8.384631] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    8.384633] [drm] Driver supports precise vblank timestamp query.
[    8.442163] fbcon: inteldrmfb (fb0) is primary device
[    8.453926] [drm] Initialized i915 1.6.0 20140905 for 0000:00:02.0 on minor
0
[    8.787747] [drm:cpt_set_fifo_underrun_reporting] *ERROR* uncleared pch fifo
underrun on pch transcoder A
[    8.787749] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO
underrun
[    9.175845] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device

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