[Bug 103029] Reoccuring CPU pipe [A|B] FIFO underrun followed by corrupt external monitor

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103029

--- Comment #14 from Martin Weinberg <martin.weinberg at comcast.net> ---
Thanks for the message.

I can confirm that the bug happens erratically for me as well.  I see it when
the monitor comes out of standby.  I have never seen the problem on boot or on
resume from suspend.

As I've mentioned above, it takes 2 to 3 days with the most recent kernels for
the bug to occur.  My sense is that this was happening more regularly with 4.13
but I have no controlled, quantified data on that.

If I could induce the bug reliably, it would be possible to bisect the kernel
from 4.12 to 4.13 to pinpoint the issue.  But this is almost prohibitively time
consuming if I have to wait a day or two between each build.

I can live with the problem but it sure is annoying.

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