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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - Screen shaking and blinking [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102803#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - Screen shaking and blinking [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102803">bug 102803</a>
from <span class="vcard"><a class="email" href="mailto:mthode@mthode.org" title="Matthew Thode <mthode@mthode.org>"> <span class="fn">Matthew Thode</span></a>
</span></b>
<pre>happened again, here's the section of log
[26447.617057] [drm:drm_atomic_set_fb_for_plane] Set [FB:87] for plane state
ffff8a50c516c420
[26447.617070] [drm:intel_plane_atomic_calc_changes] [CRTC:36:pipe A] has
[PLANE:33:cursor A] with fb 87
[26447.617076] [drm:intel_plane_atomic_calc_changes] [PLANE:33:cursor A]
visible 1 -> 1, off 0, on 0, ms 0
[26447.647175] [drm:drm_atomic_set_fb_for_plane] Set [FB:87] for plane state
ffff8a50c516c420
[26447.647190] [drm:intel_plane_atomic_calc_changes] [CRTC:36:pipe A] has
[PLANE:33:cursor A] with fb 87
[26447.647197] [drm:intel_plane_atomic_calc_changes] [PLANE:33:cursor A]
visible 1 -> 1, off 0, on 0, ms 0
[26447.691352] [drm:drm_atomic_set_fb_for_plane] Set [FB:87] for plane state
ffff8a50c516c420
[26447.691371] [drm:intel_plane_atomic_calc_changes] [CRTC:36:pipe A] has
[PLANE:33:cursor A] with fb 87
[26447.691380] [drm:intel_plane_atomic_calc_changes] [PLANE:33:cursor A]
visible 1 -> 1, off 0, on 0, ms 0
[26448.342858] [drm:intel_cpu_fifo_underrun_irq_handler] *ERROR* CPU pipe A
FIFO underrun
[26448.342882] [drm:intel_fbc_underrun_work_fn] Disabling FBC due to FIFO
underrun.
[26453.627081] [drm:drm_atomic_set_fb_for_plane] Set [FB:85] for plane state
ffff8a513aed56b0
[26453.627087] [drm:intel_plane_atomic_calc_changes] [CRTC:36:pipe A] has
[PLANE:33:cursor A] with fb 85
[26453.627089] [drm:intel_plane_atomic_calc_changes] [PLANE:33:cursor A]
visible 1 -> 1, off 0, on 0, ms 0
[26453.627842] [drm:drm_atomic_set_fb_for_plane] Set [FB:87] for plane state
ffff8a513aed56b0
[26453.627845] [drm:intel_plane_atomic_calc_changes] [CRTC:36:pipe A] has
[PLANE:33:cursor A] with fb 87
[26453.627847] [drm:intel_plane_atomic_calc_changes] [PLANE:33:cursor A]
visible 1 -> 1, off 0, on 0, ms 0
The intel_plane_atomic_calc_changes and drm_atomic_set_fb_for_plane stuff just
repeats based off of mouse movement mostly.</pre>
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