Issue #2983 has been updated by arc...@b1t.name.
Disabling KMS PageFlipping makes everything return to normal. ---------------------------------------- Bug #2983: Video artifacts after recent Xorg upgrade on Radeon HD 7560D (AMD GPU) http://bugs.dragonflybsd.org/issues/2983#change-13074 * Author: arc...@b1t.name * Status: New * Priority: Normal * Assignee: * Category: Other * Target version: ---------------------------------------- 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 -- You have received this notification because you have either subscribed to it, or are involved in it. To change your notification preferences, please click here: http://bugs.dragonflybsd.org/my/account