[DragonFlyBSD - Bug #2983] Video artifacts after recent Xorg upgrade on Radeon HD 7560D (AMD GPU)

[bugtracker-admin at leaf.dragonflybsd.org]

Issue #2983 has been updated by zrj.


Xorg and whole graphical stack so far still resides in DPorts/staged branch, DPorts/master is in a frozen state since Feb 6th.
If you run DragonFly-master it is likely caused by recent kernel changes.
On my R7 360 card I only see glitches in FF youtube window when overlays are present.

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Bug #2983: Video artifacts after recent Xorg upgrade on Radeon HD 7560D (AMD GPU)
http://bugs.dragonflybsd.org/issues/2983#change-13075

* Author: arcade at b1t.name
* Status: New
* Priority: Normal
* Assignee: 
* Category: Other
* Target version: 
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Before recent Xorg update I saw same errors only on heavy WebGL applications like games. Now it happens everytime.

It looks like: http://limbo.b1t.name/incoming/trash.png

Random errors in Xorg.0.log:
[  2572.426] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 151215 < target_msc 151216
[  2576.193] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 151440 < target_msc 151441
[  2599.334] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 152818 < target_msc 152819
[  2612.042] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 153581 < target_msc 153582
[  2636.059] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 155015 < target_msc 155016
[  2642.875] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 155419 < target_msc 155420
[  2755.508] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 162156 < target_msc 162157
[  2782.509] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 163770 < target_msc 163771
[  2791.575] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 164313 < target_msc 164314
[  2849.358] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 167776 < target_msc 167777
[  2857.524] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 168263 < target_msc 168264
[  2880.258] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 169625 < target_msc 169626
[  2885.524] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 169937 < target_msc 169938
[  2949.824] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 173771 < target_msc 173772
[  3028.726] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 178476 < target_msc 178477
[  3037.823] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 179021 < target_msc 179022



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