[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

Maurizio D'Addona <mauritiusdadd at gmail.com> changed:

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

--- Comment #26 from Maurizio D'Addona <mauritiusdadd at gmail.com> ---
Same here on my samsung NP530U3C-A03IT running Archlinux x86_64 with Linux
3.18.7
Apart the error messages, the system works fine.

$ dmesg  | grep "drm"
[    0.756845] [drm] Initialized drm 1.1.0 20060810
[    0.765637] [drm] Memory usable by graphics device = 2048M
[    0.765642] fb: switching to inteldrmfb from VESA VGA
[    0.765710] [drm] Replacing VGA console driver
[    0.771926] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    0.771926] [drm] Driver supports precise vblank timestamp query.
[    0.786659] [drm] Initialized i915 1.6.0 20140905 for 0000:00:02.0 on minor
0
[    0.789738] fbcon: inteldrmfb (fb0) is primary device
[    1.042505] [drm:cpt_set_fifo_underrun_reporting] *ERROR* uncleared pch fifo
underrun on pch transcoder A
[    1.042508] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO
underrun
[    1.435379] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device

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