[Bug 36508] New: [RV620] GPU lockup and kernel oops with compiz

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36508

           Summary: [RV620] GPU lockup and kernel oops with compiz
           Product: xorg
           Version: 7.6
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: high
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: bryce at canonical.com
         QAContact: xorg-team at lists.x.org


Forwarding this bug from Ubuntu reporter rww:
http://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/757141

[Problem]
Intermittent failure (GPU lockup) booting live usb environment with
Unity/Compiz.  Out of 10 boot attempts, it experienced this gpu lockup 3 times.
 4/10 times it booted properly.  2/10 times the monitor powered off.  1/10
times the kernel showed an oops message.

[Original Description]
I booted a LiveUSB of the current natty daily ISO. It got to the screen where
it asks whether I want to Try or Install Ubuntu. I selected "Try". It switched
back to the console, then loaded xorg with a cursor in the center of the screen
and a black background and stopped. I could move the cursor around with my
mouse, but Ctrl-Alt-F1 didn't do anything. I eventually did Alt-Sysrq-R and
Alt-Sysrq-K to restart xorg, logged in on gdm, and got to a normal desktop.

01:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV620 LE [Radeon
HD 3450] [1002:95c5] (prog-if 00 [VGA controller])
    Subsystem: ASUSTeK Computer Inc. Device [1043:01f4]

dmesg
[  224.800113] Call Trace:
[  224.800122]  [<ffffffff81065cef>] ? warn_slowpath_common+0x7f/0xc0
[  224.800126]  [<ffffffff81065de6>] ? warn_slowpath_fmt+0x46/0x50
[  224.800146]  [<ffffffffa00d26df>] ? radeon_fence_wait+0x36f/0x3e0 [radeon]
[  224.800152]  [<ffffffff81087f30>] ? autoremove_wake_function+0x0/0x40
[  224.800171]  [<ffffffffa00d2fc1>] ? radeon_sync_obj_wait+0x11/0x20 [radeon]
[  224.800181]  [<ffffffffa005ab0d>] ? ttm_bo_wait+0xfd/0x1b0 [ttm]
[  224.800188]  [<ffffffffa005ae88>] ? ttm_bo_list_ref_sub+0x28/0x30 [ttm]
[  224.800209]  [<ffffffffa00eb9e3>] ? radeon_gem_wait_idle_ioctl+0x93/0x110
[radeon]
[  224.800224]  [<ffffffffa0022384>] ? drm_ioctl+0x3e4/0x4c0 [drm]
[  224.800245]  [<ffffffffa00eb950>] ? radeon_gem_wait_idle_ioctl+0x0/0x110
[radeon]
[  224.800251]  [<ffffffff8100b7b1>] ? handle_signal+0x131/0x260
[  224.800256]  [<ffffffff810156d1>] ? fpu_finit+0x21/0x40
[  224.800259]  [<ffffffff810157fa>] ? init_fpu+0x4a/0x150
[  224.800265]  [<ffffffff8117648f>] ? do_vfs_ioctl+0x8f/0x360
[  224.800269]  [<ffffffff8100bd06>] ? sys_rt_sigreturn+0x106/0x140
[  224.800273]  [<ffffffff811767f1>] ? sys_ioctl+0x91/0xa0
[  224.800276]  [<ffffffff8100c002>] ? system_call_fastpath+0x16/0x1b
[  224.800280] ---[ end trace 4b79756e0a682393 ]---