[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

Alan Bartlett <ajb at elrepo.org> changed:

           What    |Removed                     |Added
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                 CC|                            |ajb at elrepo.org

--- Comment #2 from Alan Bartlett <ajb at elrepo.org> ---
Confirming the above when using linux-4.0-rc5

Extracted from the dmesg file:

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

Defining the hardware (relevant lines from the output of an lspci -nnv
command):

00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series
Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA
controller])
    Subsystem: Dell Device [1028:0263]
    Flags: bus master, fast devsel, latency 0, IRQ 28
    Memory at f6c00000 (64-bit, non-prefetchable) [size=4M]
    Memory at e0000000 (64-bit, prefetchable) [size=256M]
    I/O ports at efe8 [size=8]
    Expansion ROM at <unassigned> [disabled]
    Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
    Capabilities: [d0] Power Management version 3
    Kernel driver in use: i915

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