| Bug ID | 89980 |
|---|---|
| Summary | [Regression] Graphical corruption after resuming from suspend (w/ dual monitor configuration) |
| Product | DRI |
| Version | XOrg git |
| Hardware | Other |
| OS | All |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/Radeon |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | falaca@gmail.com |
Created attachment 115013 [details] Xorg log This is a regression: Bug is reproducible in Ubuntu 15.04 Beta (Xorg 1.17.1, linux 3.19) and Fedora 22 Alpha (Xorg 1.17.1, linux 4.0) with a Radeon R7 260X video card. I first noticed the issue in Ubuntu 14.04 after I upgraded from Xorg 1.16 to 1.17. The problem does not occur with fglrx. Symptoms: Checkerboard tearing pattern begins to occur in approximately the top 1/8 of the display after resuming from suspend, and does not resolve itself until a reboot. Demonstration of bug in Ubuntu w/ Unity (highlighting menu entries with the mouse): https://www.dropbox.com/s/ez2v03oetppecgx/VID_20150324_020612.mp4?dl=0 Demonstration of bug in Fedora w/ Gnome 3 (maximizing/restoring a window): https://www.dropbox.com/s/85n2iq27zm00dlo/VID_20150410_033406.mp4?dl=0 Steps to reproduce: I can only reproduce this with when I have 2 displays connected. My primary screen is set to 2560x1440, and the secondary screen in portrait mode is set to 1200x1920 on the left-hand side. I have the landscape monitor centered with respect to the portrait one, so y = 240 in ~/.config./monitors.xml. I cannot observe the bug when both screens are aligned at the top, i.e., with y=0 in ~/.config/monitors.xml. I also cannot observe the bug with a single monitor connected, or with both monitors in landscape mode. After setting up the monitor configuration, all that needs to be done to reproduce the corruption is to suspend the system, resume, and observe the top portion of the primary (landscape) display when the screen is changing, e.g., it is apparent when watching full-screen movies or minimizing/maximizing windows as demonstrated in my demo video. Attached: Xorg log and dmesg (w/ kernel parameter drm.debug=14) saved after a suspend/resume cycle
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