[Bug 95461] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=95461

--- Comment #23 from Alan Bartlett <ajb at elrepo.org> ---
A kernel was built from the linux-4.1-rc5 sources.

A normal boot results in seeing --

[quote]
[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO
underrun
[/quote]

The attached dmesg-1.txt file originates from that boot.

Rebooted with drm.debug=0x1e appended to the kernel command line. The above
error message was not then seen.

The attached dmesg-2.txt file originates from that boot.

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