https://bugs.freedesktop.org/show_bug.cgi?id=85421
--- Comment #2 from Zbigniew <[email protected]> --- Not sure, do you know the comments of someone other; the comments seem to be related, and may be helpful in tracing the problem: http://www.flaterco.com/kb/video/X-regressions.html ======= quote ================== As of 2013-08-29, kernel 3.10.10, Slackware 14.0: It's impossible to get 2D and 3D acceleration working at the same time. All permutations of drivers have a problem with the screen going black (no signal) until the next reboot about 50% of the time when modesetting occurs. CONFIG_DRM=y, CONFIG_DRM_RADEON=n: There is no DRI or GL, but XAA 2D acceleration works great. CONFIG_DRM_RADEON=y, CONFIG_DRM_RADEON_UMS=n, CONFIG_FB_RADEON=n: Now there's DRI2 and GL but 2D acceleration is broken. XAA and EXA claim to be enabled, but 2D is sloooow and Option "MigrationHeuristic" "greedy" does nothing. CONFIG_FB_RADEON=y makes 2D fast again but it disables DRI and DRI2. CONFIG_DRM_RADEON_UMS=y causes the screen to go black every time. With option 2 (DRI2), background or sky textures are missing in EDuke32 and there is flakiness in PrBoom-Plus. Reverting Mesa to 7.11.2 with DRI drivers only or setting Option "DRI2" "false" in xorg.conf makes no difference. 2014-09-02, kernel 3.16.1, Slackware 14.1: The modesetting BSOD problem is still there and I can't stand it for long enough to test anything else. -- You are receiving this mail because: You are the assignee for the bug.
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