[Bug 96658] New: kernel 4.4 and 4.6: radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 83894141 < target_msc 83894142

Thu Jun 23 15:25:37 UTC 2016

https://bugs.freedesktop.org/show_bug.cgi?id=96658

            Bug ID: 96658
           Summary: kernel 4.4 and 4.6: radeon_dri2_flip_event_handler:
                    Pageflip completion event has impossible msc 83894141
                    < target_msc 83894142
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/Radeon
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: pzgpybbc at sharklasers.com
        QA Contact: xorg-team at lists.x.org

APU: AMD E450

Problem existing on kernel 4.4 and 4.6. Older/newer kernels not tested.

After few minutes the xorg.log is some MEGABYTE big. After some hours many
MEGABYTES big.

X.Org X Server 1.18.3
Release Date: 2016-04-04
[2099279.730] X Protocol Version 11, Revision 0
[2099279.730] Build Operating System: Linux 4.4.0-17-generic x86_64
LibreELEC.tv
[2099279.730] Current Operating System: Linux LibreELEC 4.6.2 #1 SMP Fri Jun 10
19:59:06 BST 2016 x86_64
[2099279.730] Kernel command line: root=/dev/ram0 rdinit=/init
usbcore.autosuspend=-1 BOOT_IMAGE=/KERNEL boot=LABEL=System disk=LABEL=Storage 
quiet
[2099279.730] Build Date: 06 June 2016  05:11:18PM
[2099279.730]  
[2099279.730] Current version of pixman: 0.34.0

...

[2099279.829] (II) Module radeon: vendor="X.Org Foundation"
[2099279.829]   compiled for 1.18.3, module version = 7.7.0
[2099279.829]   Module class: X.Org Video Driver
[2099279.829]   ABI class: X.Org Video Driver, version 20.0

...

[2099286.070] (II) RADEON(0): Modeline "1024x768"x0.0   65.00  1024 1048 1184
1344  768 771 777 806 -hsync -vsync (48.4 kHz e)
[2099286.070] (II) RADEON(0): Modeline "832x624"x0.0   57.28  832 864 928 1152 
624 625 628 667 -hsync -vsync (49.7 kHz e)
[2099286.070] (II) RADEON(0): Modeline "800x600"x0.0   49.50  800 816 896 1056 
600 601 604 625 +hsync +vsync (46.9 kHz e)
[2099286.070] (II) RADEON(0): Modeline "800x600"x0.0   50.00  800 856 976 1040 
600 637 643 666 +hsync +vsync (48.1 kHz e)
[2099286.070] (II) RADEON(0): Modeline "1440x480i"x0.0   27.00  1440 1478 1602
1716  480 488 494 525 interlace -hsync -vsync (15.7 kHz e)
[2099286.070] (II) RADEON(0): Modeline "1440x576i"x0.0   27.00  1440 1464 1590
1728  576 580 586 625 interlace -hsync -vsync (15.6 kHz e)
[2099286.070] (II) RADEON(0): Modeline "1440x240"x0.0   27.00  1440 1478 1602
1716  240 244 247 262 -hsync -vsync (15.7 kHz e)
[2099286.070] (II) RADEON(0): Modeline "1440x288"x0.0   27.00  1440 1464 1590
1728  288 290 293 312 -hsync -vsync (15.6 kHz e)
[2099286.070] (II) RADEON(0): Modeline "1920x1080"x0.0   74.25  1920 2558 2602
2750  1080 1084 1089 1125 +hsync +vsync (27.0 kHz e)
[2099286.070] (II) RADEON(0): Modeline "1920x1080"x0.0   74.25  1920 2448 2492
2640  1080 1084 1089 1125 +hsync +vsync (28.1 kHz e)
[2099286.083] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
completion event has impossible msc 304 < target_msc 305
[2099286.990] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
completion event has impossible msc 335 < target_msc 336
[2099287.023] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
completion event has impossible msc 336 < target_msc 337
[2099287.056] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
completion event has impossible msc 337 < target_msc 338
[2099287.090] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
completion event has impossible msc 338 < target_msc 339
[2099287.123] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
completion event has impossible msc 339 < target_msc 340
[2099287.156] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
completion event has impossible msc 340 < target_msc 341
[2099287.190] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
completion event has impossible msc 341 < target_msc 342
[2099287.223] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
completion event has impossible msc 342 < target_msc 343
[2099287.256] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
completion event has impossible msc 343 < target_msc 344
[2099287.290] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
completion event has impossible msc 344 < target_msc 345

full Logfile: http://sprunge.us/Pecj

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