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Re: intelfb0 at i915drmkms0
The thread titled " Funky Display Output" has an on going discussion that involves this issue.
On 4/29/19, 5:13 AM, "Travis Paul" <current-users-owner%NetBSD.org@localhost on behalf of Tr%visPaul.me@localhost> wrote:
Is anyone else seeing artifacts when using X in base, with i915 Intel graphics? 
I have 2 identical machines that experience this behavior, the artifacts never stop appearing so X is fairly unusable. The artifacts are even worse with fluxbox. I also see the following kernel errors often:
kern error: [drm:(/usr/src/sys/external/bsd/drm2/dist/drm/i915/intel_sprite.c:132)intel_pipe_update_start] *ERROR* Potential atomic update failure on pipe C: -35
kern error: [drm:(/usr/src/sys/external/bsd/drm2/dist/drm/i915/intel_sprite.c:205)intel_pipe_update_end] *ERROR* Atomic update failure on pipe C (start=13132 end=13133) time 5 us, min 1073, max 1079, scanline start 1076, end 1079
I’m was using a current build from April 27, I switched back to NetBSD 8 to see if the issue is present there (as I’ve never used X on these machines before.) The issue does not occur in NetBSD 8.
Thanks in advance,
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