[Bug 89518] New: *ERROR* PCH transcoder A FIFO underrun

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89518

            Bug ID: 89518
           Summary: *ERROR* PCH transcoder A FIFO underrun
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: carloshthomas at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 114199
  --> https://bugs.freedesktop.org/attachment.cgi?id=114199&action=edit
*ERROR* PCH transcoder A FIFO underrun on a HP Pavilion G6t-2200 CTO Notebook

dmesg | grep drm
[    6.414529] [drm] Initialized drm 1.1.0 20060810
[    7.032007] [drm] Memory usable by graphics device = 2048M
[    7.032013] [drm] Replacing VGA console driver
[    7.057300] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    7.057301] [drm] Driver supports precise vblank timestamp query.
[    7.098878] fbcon: inteldrmfb (fb0) is primary device
[    7.113770] [drm] Initialized i915 1.6.0 20140905 for 0000:00:02.0 on minor
0
[    7.444946] [drm:cpt_set_fifo_underrun_reporting] *ERROR* uncleared pch fifo
underrun on pch transcoder A
[    7.444947] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO
underrun
[    7.831281] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device

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