I have the same bug on 2.6.35-24-generic #42-Ubuntu SMP Thu Dec 2 01:41:57 UTC 2010 i686 GNU/Linux
the screen freezes and I cannot do anything, sometimes Ctrl Alt F1 and see : Jan 21 23:55:08 moines2 kernel: [11038.819283] [drm:radeon_cs_ioctl] *ERROR* Faild to schedule IB ! Jan 21 23:55:09 moines2 kernel: [11039.616066] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule IB(5). Jan 21 23:55:09 moines2 kernel: [11039.620460] [drm:radeon_cs_ioctl] *ERROR* Faild to schedule IB ! Jan 21 23:55:10 moines2 kernel: [11040.016837] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule IB(6). Jan 21 23:55:10 moines2 kernel: [11040.021312] [drm:radeon_cs_ioctl] *ERROR* Faild to schedule IB ! Jan 21 23:55:10 moines2 kernel: [11040.817172] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule IB(7). Jan 21 23:55:10 moines2 kernel: [11040.821717] [drm:radeon_cs_ioctl] *ERROR* Faild to schedule IB ! Jan 21 23:55:11 moines2 kernel: [11041.217655] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule IB(8). Jan 21 23:55:11 moines2 kernel: [11041.222304] [drm:radeon_cs_ioctl] *ERROR* Faild to schedule IB ! Jan 21 23:55:12 moines2 kernel: [11042.018672] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule IB(9). Jan 21 23:55:12 moines2 kernel: [11042.023577] [drm:radeon_cs_ioctl] *ERROR* Faild to schedule IB ! my graphic card is (lspci | grep VGA): 01:00.0 VGA compatible controller: ATI Technologies Inc RV280 [Radeon 9200 SE] (rev 01) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/586243 Title: Xorg freeze: "Failed to schedule IB" Radeon X1200 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
