[Bug 94605] Flashing black screen ([drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94605

--- Comment #31 from Spricer <mileek at gmail.com> ---
(In reply to Spricer from comment #30)
> I can confirm this bug as well in Mageia 5 latest kernel.
> C/P from my post there:
> 
> After booting into 4.4.13-desktop-1.mga5 screen starts flickering/going
> blank for second when switching mouse from one monitor to second monitor.
> Sometimes screen stays black after leaving it with mouse and moving mouse
> back restores screen. This is NOT happening with  4.1.15-2.mga5 kernel
> 
> *** ENV ***:
> Mageia: Mageia release 5 (Official) for x86_64
> Kernel: 4.4.13-desktop-1.mga5 #1 SMP Fri Jun 10 12:16:55 UTC 2016 x86_64
> x86_64 x86_64 GNU/Linux
> GUI:mate-desktop-1.8.1-4.mga5
> MB: ASUS P7H55-M PRO
> CPU: Intel(R) Core(TM) i5 CPU 650 @ 3.20GHz
> X: x11-server-xorg-1.16.4-2.1.mga5
> #lspci -s 00:02.0 -v
> 00:02.0 VGA compatible controller: Intel Corporation Core Processor
> Integrated Graphics Controller (rev 12) (prog-if 00 [VGA controller])
> 	Subsystem: ASUSTeK Computer Inc. Device 8383
> 	Flags: bus master, fast devsel, latency 0, IRQ 25
> 	Memory at f7800000 (64-bit, non-prefetchable) [size=4M]
> 	Memory at e0000000 (64-bit, prefetchable) [size=256M]
> 	I/O ports at dc00 [size=8]
> 	Expansion ROM at <unassigned> [disabled]
> 	Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
> 	Capabilities: [d0] Power Management version 2
> 	Capabilities: [a4] PCI Advanced Features
> 	Kernel driver in use: i915
> 	Kernel modules: i915
> 
> #cat /etc/X11/xorg.conf
> Section "Module"
>     Load "v4l" # Video for Linux
> EndSection
> 
> Section "Monitor"
>     Identifier "VGA"
>     VendorName "LG"
>     ModelName "E2240"
>     HorizSync 30-83
>     VertRefresh 56-75
>     # Monitor preferred modeline (60.0 Hz vsync, 67.5 kHz hsync, ratio 16/9,
> 102 dpi)
>     ModeLine "1920x1080" 148.5 1920 2008 2052 2200 1080 1084 1089 1125
> +hsync +vsync
> EndSection
> 
> Section "Monitor"
>     Identifier "HDMI"
>     VendorName "ViewSonic"
>     ModelName "VX2245wm"
>     HorizSync 30-82
>     VertRefresh 50-75
>     Option "RightOf" "VGA"
>     # Monitor preferred modeline (60.0 Hz vsync, 65.3 kHz hsync, ratio
> 16/10, 90 dpi)
>     ModeLine "1680x1050" 146.25 1680 1784 1960 2240 1050 1053 1059 1089
> +hsync -vsync
> EndSection
> 
> Section "Device"
>     Identifier "IntelHD"
>     VendorName "Intel Corporation"
>     BoardName "i915"
>     Driver "intel"
>     BusID "PCI:0:2:0"
>     Option "Monitor-HDMI1" "HDMI"
>     Option "Monitor-VGA1" "VGA"
> EndSection
> 
> Section "Screen"
>     Identifier "screen0"
>     Device "IntelHD"
>     Monitor "VGA"
> EndSection
> 
> Section "ServerLayout"
>     Identifier "DualScreen"
>     Screen "screen0"
> EndSection
> 
> 
> *** Related Logs entries***
> dmesg:
> [   23.253059] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
> pipe A FIFO underrun
> [   23.253192] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
> transcoder A FIFO underrun
> [   24.185645] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
> pipe B FIFO underrun
> [   24.185676] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
> transcoder B FIFO underrun
> [   43.650849] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
> pipe B FIFO underrun
> [   43.650985] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
> transcoder B FIFO underrun
> 
> 
> 
> Steps to Reproduce:
> Boot to 4.4.13-desktop-1.mga5 kernel


lib64drm_intel1-2.4.59-1.mga5
x11-driver-video-intel-2.99.917-14.2.mga5

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