https://bugs.freedesktop.org/show_bug.cgi?id=54662 Bug #: 54662 Summary: [bisected] Kernel 3.6 breaks KMS on Radeon RV530 (black screen) Classification: Unclassified Product: DRI Version: unspecified Platform: x86 (IA32) OS/Version: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/Radeon AssignedTo: dri-devel@xxxxxxxxxxxxxxxxxxxxx ReportedBy: skitching@xxxxxxxxxx Created attachment 66826 --> https://bugs.freedesktop.org/attachment.cgi?id=66826 Dmesg output from a kernel that does not show black screen problem The following commit (merged in 3.6 rc series) makes the screen go black immediately after Plymouth completes (ie just before greeter screen): 876dc9f32907e57e0298bcd0f1607cb7a2582f63 is the first bad commit commit 876dc9f32907e57e0298bcd0f1607cb7a2582f63 Author: Christian König <deathsimple@xxxxxxxxxxx> Date: Tue May 8 14:24:01 2012 +0200 drm/radeon: remove radeon_fence_create Note that this is a different bug than https://bugs.freedesktop.org/show_bug.cgi?id=54129 (which I'm also getting) but might be related. The same kernel boots without problems using "nomodeset". System is an x86-32 laptop (about 5 years old) with Radeon mobility X1600, running Ubuntu 12.04. lspci reports: 01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI M56P [Radeon Mobility X1600] Attached is full dmesg output from a *different* (ie earlier, working) kernel. Some relevant bits include: [ 2.978637] [drm] Initialized drm 1.1.0 20060810 [ 3.052940] [drm] radeon defaulting to kernel modesetting. [ 3.052945] [drm] radeon kernel modesetting enabled. [ 3.053261] [drm] initializing kernel modesetting (RV530 0x1002:0x71C5 0x103C:0x30A3). .. [ 3.245417] [drm] Loading R500 Microcode [ 3.247401] [drm] radeon: ring at 0x0000000010001000 [ 3.247441] [drm] ring test succeeded in 9 usecs ... [ 4.064745] [drm] Initialized radeon 2.17.0 20080528 for 0000:01:00.0 on minor 0 -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
