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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Aug 20 17:29:12 UTC 2016


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

--- Comment #44 from ggg <grantgrundler at gmail.com> ---
more info from the NUC6i5SYB: connect to Samsung U28D590D via DisplayPort.

tail /var/log/messages:
[50476.600499] systemd[1]: apt-daily.timer: Adding 9h 46min 57.697169s random
time.
[50476.728743] systemd[1]: apt-daily.timer: Adding 11min 52.681564s random
time.
[52083.930871] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[52596.327741] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun

But /var/log/Xorg.0.log is getting spammed around the same time. Any other logs
or output that would be helpful?

[ 52105.723] (II) modeset(0): EDID vendor "SAM", prod id 2944
[ 52105.724] (II) modeset(0): Using hsync ranges from config file
[ 52105.724] (II) modeset(0): Using vrefresh ranges from config file
[ 52105.724] (II) modeset(0): Printing DDC gathered Modelines:
[ 52105.724] (II) modeset(0): Modeline "3840x2160"x0.0  533.25  3840 3888 3920
4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[ 52105.724] (II) modeset(0): Modeline "2560x1440"x0.0  241.50  2560 2608 2640
2720  1440 1443 1448 1481 +hsync -vsync (88.8 kHz e)
[ 52105.724] (II) modeset(0): Modeline "1920x1080"x0.0  148.50  1920 2008 2052
2200  1080 1084 1089 1125 +hsync +vsync (67.5 kHz e)
[ 52105.724] (II) modeset(0): Modeline "800x600"x0.0   40.00  800 840 968 1056 
600 601 605 628 +hsync +vsync (37.9 kHz e)
[ 52105.724] (II) modeset(0): Modeline "800x600"x0.0   36.00  800 824 896 1024 
600 601 603 625 +hsync +vsync (35.2 kHz e)
[ 52105.724] (II) modeset(0): Modeline "640x480"x0.0   31.50  640 656 720 840 
480 481 484 500 -hsync -vsync (37.5 kHz e)
[ 52105.724] (II) modeset(0): Modeline "640x480"x0.0   31.50  640 664 704 832 
480 489 492 520 -hsync -vsync (37.9 kHz e)
[ 52105.724] (II) modeset(0): Modeline "640x480"x0.0   30.24  640 704 768 864 
480 483 486 525 -hsync -vsync (35.0 kHz e)
[ 52105.724] (II) modeset(0): Modeline "640x480"x0.0   25.18  640 656 752 800 
480 490 492 525 -hsync -vsync (31.5 kHz e)
[ 52105.724] (II) modeset(0): Modeline "720x400"x0.0   28.32  720 738 846 900 
400 412 414 449 -hsync +vsync (31.5 kHz e)
[ 52105.724] (II) modeset(0): Modeline "1280x1024"x0.0  135.00  1280 1296 1440
1688  1024 1025 1028 1066 +hsync +vsync (80.0 kHz e)
[ 52105.724] (II) modeset(0): Modeline "1024x768"x0.0   78.75  1024 1040 1136
1312  768 769 772 800 +hsync +vsync (60.0 kHz e)
[ 52105.724] (II) modeset(0): Modeline "1024x768"x0.0   75.00  1024 1048 1184
1328  768 771 777 806 -hsync -vsync (56.5 kHz e)
[ 52105.724] (II) modeset(0): Modeline "1024x768"x0.0   65.00  1024 1048 1184
1344  768 771 777 806 -hsync -vsync (48.4 kHz e)
[ 52105.724] (II) modeset(0): Modeline "832x624"x0.0   57.28  832 864 928 1152 
624 625 628 667 -hsync -vsync (49.7 kHz e)
[ 52105.724] (II) modeset(0): Modeline "800x600"x0.0   49.50  800 816 896 1056 
600 601 604 625 +hsync +vsync (46.9 kHz e)
[ 52105.724] (II) modeset(0): Modeline "800x600"x0.0   50.00  800 856 976 1040 
600 637 643 666 +hsync +vsync (48.1 kHz e)
[ 52105.724] (II) modeset(0): Modeline "1152x864"x0.0  108.00  1152 1216 1344
1600  864 865 868 900 +hsync +vsync (67.5 kHz e)
[ 52105.724] (II) modeset(0): Modeline "1280x800"x0.0   83.50  1280 1352 1480
1680  800 803 809 831 -hsync +vsync (49.7 kHz e)
[ 52105.724] (II) modeset(0): Modeline "1280x720"x60.0   74.48  1280 1336 1472
1664  720 721 724 746 -hsync +vsync (44.8 kHz e)
[ 52105.724] (II) modeset(0): Modeline "1280x1024"x0.0  108.00  1280 1328 1440
1688  1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[ 52105.724] (II) modeset(0): Modeline "1600x900"x60.0  119.00  1600 1696 1864
2128  900 901 904 932 -hsync +vsync (55.9 kHz e)
[ 52105.724] (II) modeset(0): Modeline "1680x1050"x0.0  146.25  1680 1784 1960
2240  1050 1053 1059 1089 -hsync +vsync (65.3 kHz e)
[ 52105.724] (II) modeset(0): Modeline "1440x900"x0.0  106.50  1440 1520 1672
1904  900 903 909 934 -hsync +vsync (55.9 kHz e)
[ 52105.724] (II) modeset(0): Modeline "720x576"x0.0   27.00  720 732 796 864 
576 581 586 625 -hsync -vsync (31.2 kHz e)
[ 52105.903] (II) modeset(0): EDID vendor "SAM", prod id 2944
[ 52105.904] (II) modeset(0): Using hsync ranges from config file
[ 52105.904] (II) modeset(0): Using vrefresh ranges from config file
[ 52105.904] (II) modeset(0): Printing DDC gathered Modelines:
[ 52105.904] (II) modeset(0): Modeline "3840x2160"x0.0  533.25  3840 3888 3920
4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[ 52105.904] (II) modeset(0): Modeline "2560x1440"x0.0  241.50  2560 2608 2640
2720  1440 1443 1448 1481 +hsync -vsync (88.8 kHz e)
[ 52105.904] (II) modeset(0): Modeline "1920x1080"x0.0  148.50  1920 2008 2052
2200  1080 1084 1089 1125 +hsync +vsync (67.5 kHz e)
...
[ 52105.904] (II) modeset(0): Modeline "720x576"x0.0   27.00  720 732 796 864 
576 581 586 625 -hsync -vsync (31.2 kHz e)
[ 52106.039] (II) modeset(0): EDID vendor "SAM", prod id 2944
[ 52106.039] (II) modeset(0): Using hsync ranges from config file
[ 52106.039] (II) modeset(0): Using vrefresh ranges from config file
[ 52106.039] (II) modeset(0): Printing DDC gathered Modelines:
[ 52106.039] (II) modeset(0): Modeline "3840x2160"x0.0  533.25  3840 3888 3920
4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
...
[ 52106.039] (II) modeset(0): Modeline "720x576"x0.0   27.00  720 732 796 864 
576 581 586 625 -hsync -vsync (31.2 kHz e)
[ 52106.175] (II) modeset(0): EDID vendor "SAM", prod id 2944
[ 52106.176] (II) modeset(0): Using hsync ranges from config file
[ 52106.176] (II) modeset(0): Using vrefresh ranges from config file
[ 52106.176] (II) modeset(0): Printing DDC gathered Modelines:
[ 52106.176] (II) modeset(0): Modeline "3840x2160"x0.0  533.25  3840 3888 3920
4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
...
[ 52106.176] (II) modeset(0): Modeline "720x576"x0.0   27.00  720 732 796 864 
576 581 586 625 -hsync -vsync (31.2 kHz e)
[ 52600.127] (II) modeset(0): EDID vendor "SAM", prod id 2944
[ 52600.128] (II) modeset(0): Using hsync ranges from config file
[ 52600.128] (II) modeset(0): Using vrefresh ranges from config file
[ 52600.128] (II) modeset(0): Printing DDC gathered Modelines:
[ 52600.128] (II) modeset(0): Modeline "3840x2160"x0.0  533.25  3840 3888 3920
4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[ 52600.128] (II) modeset(0): Modeline "2560x1440"x0.0  241.50  2560 2608 2640
2720  1440 1443 1448 1481 +hsync -vsync (88.8 kHz e)
...
[ 52600.128] (II) modeset(0): Modeline "720x576"x0.0   27.00  720 732 796 864 
576 581 586 625 -hsync -vsync (31.2 kHz e)
[ 52600.263] (II) modeset(0): EDID vendor "SAM", prod id 2944
[ 52600.264] (II) modeset(0): Using hsync ranges from config file
[ 52600.264] (II) modeset(0): Using vrefresh ranges from config file
[ 52600.264] (II) modeset(0): Printing DDC gathered Modelines:
[ 52600.264] (II) modeset(0): Modeline "3840x2160"x0.0  533.25  3840 3888 3920
4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[ 52600.264] (II) modeset(0): Modeline "2560x1440"x0.0  241.50  2560 2608 2640
2720  1440 1443 1448 1481 +hsync -vsync (88.8 kHz e)
...
[ 52600.264] (II) modeset(0): Modeline "720x576"x0.0   27.00  720 732 796 864 
576 581 586 625 -hsync -vsync (31.2 kHz e)
[ 52600.451] (II) modeset(0): EDID vendor "SAM", prod id 2944
[ 52600.452] (II) modeset(0): Using hsync ranges from config file
[ 52600.452] (II) modeset(0): Using vrefresh ranges from config file
[ 52600.452] (II) modeset(0): Printing DDC gathered Modelines:
[ 52600.452] (II) modeset(0): Modeline "3840x2160"x0.0  533.25  3840 3888 3920
4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[ 52600.452] (II) modeset(0): Modeline "2560x1440"x0.0  241.50  2560 2608 2640
2720  1440 1443 1448 1481 +hsync -vsync (88.8 kHz e)
...
[ 52600.452] (II) modeset(0): Modeline "1440x900"x0.0  106.50  1440 1520 1672
1904  900 903 909 934 -hsync +vsync (55.9 kHz e)
[ 52600.452] (II) modeset(0): Modeline "720x576"x0.0   27.00  720 732 796 864 
576 581 586 625 -hsync -vsync (31.2 kHz e)
[ 52600.595] (II) modeset(0): EDID vendor "SAM", prod id 2944
[ 52600.596] (II) modeset(0): Using hsync ranges from config file
[ 52600.596] (II) modeset(0): Using vrefresh ranges from config file
[ 52600.596] (II) modeset(0): Printing DDC gathered Modelines:
[ 52600.596] (II) modeset(0): Modeline "3840x2160"x0.0  533.25  3840 3888 3920
4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
...
[ 52600.596] (II) modeset(0): Modeline "720x576"x0.0   27.00  720 732 796 864 
576 581 586 625 -hsync -vsync (31.2 kHz e)
[ 52600.792] (II) modeset(0): EDID vendor "SAM", prod id 2944
[ 52600.792] (II) modeset(0): Using hsync ranges from config file
[ 52600.792] (II) modeset(0): Using vrefresh ranges from config file
[ 52600.792] (II) modeset(0): Printing DDC gathered Modelines:
[ 52600.792] (II) modeset(0): Modeline "3840x2160"x0.0  533.25  3840 3888 3920
4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
...
[ 52600.792] (II) modeset(0): Modeline "720x576"x0.0   27.00  720 732 796 864 
576 581 586 625 -hsync -vsync (31.2 kHz e)
[ 52600.927] (II) modeset(0): EDID vendor "SAM", prod id 2944
[ 52600.927] (II) modeset(0): Using hsync ranges from config file
[ 52600.927] (II) modeset(0): Using vrefresh ranges from config file
[ 52600.927] (II) modeset(0): Printing DDC gathered Modelines:
[ 52600.927] (II) modeset(0): Modeline "3840x2160"x0.0  533.25  3840 3888 3920
4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
...
[ 52600.927] (II) modeset(0): Modeline "720x576"x0.0   27.00  720 732 796 864 
576 581 586 625 -hsync -vsync (31.2 kHz e)
[ 52601.062] (II) modeset(0): EDID vendor "SAM", prod id 2944
[ 52601.062] (II) modeset(0): Using hsync ranges from config file
[ 52601.062] (II) modeset(0): Using vrefresh ranges from config file
[ 52601.062] (II) modeset(0): Printing DDC gathered Modelines:
[ 52601.062] (II) modeset(0): Modeline "3840x2160"x0.0  533.25  3840 3888 3920
4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
...
[ 52601.063] (II) modeset(0): Modeline "720x576"x0.0   27.00  720 732 796 864 
576 581 586 625 -hsync -vsync (31.2 kHz e)
[ 52652.639] (II) modeset(0): EDID vendor "SAM", prod id 2944
[ 52652.639] (II) modeset(0): Using hsync ranges from config file
[ 52652.639] (II) modeset(0): Using vrefresh ranges from config file
[ 52652.639] (II) modeset(0): Printing DDC gathered Modelines:
...

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