Hello, I have the same problem on ThinkPad x100e, with ATI Radeon HD 3200 Graphics. Problem appeared after being activated proprietary ati driver (fglrx) and reproduced only with Unity.
$ dmesg | grep -i fglrx [ 13.081415] fglrx: module license 'Proprietary. (C) 2002 - ATI Technologies, Starnberg, GERMANY' taints kernel. [ 13.553635] [fglrx] Maximum main memory to use for locked dma buffers: 1643 MBytes. [ 13.553693] [fglrx] vendor: 1002 device: 9612 count: 1 [ 13.554230] [fglrx] ioport: bar 1, base 0x9000, size: 0x100 [ 13.554785] [fglrx] Kernel PAT support is enabled [ 13.554818] [fglrx] module loaded - fglrx 8.78.6 [Oct 5 2010] with 1 minors [ 14.337171] [fglrx] ATIF platform detected with notification ID: 0x81 [ 14.736803] [fglrx] GART Table is not in FRAME_BUFFER range [ 14.744971] [fglrx] Could not enable MSI; System prevented initialization [ 14.745981] [fglrx] Firegl kernel thread PID: 1141 [ 14.746378] [fglrx] IRQ 18 Enabled [ 15.776809] [fglrx] Gart USWC size:552 M. [ 15.776815] [fglrx] Gart cacheable size:215 M. [ 15.776823] [fglrx] Reserved FB block: Shared offset:0, size:1000000 [ 15.776827] [fglrx] Reserved FB block: Unshared offset:14ffb000, size:5000 $ dmesg | grep -i mutter [ 493.363128] mutter[2325]: segfault at 28 ip 080650c8 sp bfdf1800 error 4 in mutter[8048000+95000] [ 612.710493] mutter[2331]: segfault at b1fe9000 ip 094a3fb6 sp bfbaa260 error 4 in libc-2.12.1.so[942e000+157000] -- Unity screen drawing problem on ATI https://bugs.launchpad.net/bugs/666715 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
