[Bug 38792] New: Radeon HD 5750: GPU lockup CP stall while browsing in Firefox

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=38792

           Summary: Radeon HD 5750: GPU lockup CP stall while browsing in
                    Firefox
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.0-rc5
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
        ReportedBy: jlp.bugs@gmail.com
        Regression: No


I was browsing with Firefox 5.0 (in KDE 4.6.4 with desktop effects enabled) and
when I clicked on a button to return to the previous page the screen suddenly
all got black and when it came back the mouse pointer was not visible but the
windows under it reacted to mouse-over. I had to switch to bob-X virtual
console and then back to restore everything. Well I also immediately checked
dmesg and this is what was in there:

radeon 0000:01:00.0: GPU lockup CP stall for more than 131410msec
------------[ cut here ]------------
WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:267
radeon_fence_wait+0x2f1/0x330 [radeon]()
Hardware name: System Product Name
GPU lockup (waiting for 0x00A08F1B last fence id 0x00A08F18)
Modules linked in: w83627ehf hwmon_vid coretemp snd_seq snd_seq_device
usb_storage radeon snd_hda_codec_hdmi snd_hda_codec_realtek ttm drm_kms_helper
drm snd_hda_intel snd_hda_codec hwmon i2c_i801 snd_pcm snd_timer xhci_hcd
backlight ehci_hcd i2c_algo_bit r8169 mii snd snd_page_alloc
Pid: 2162, comm: X Not tainted 3.0.0-rc5-dirty #9
Call Trace:
 [<ffffffffa0167b00>] ? radeon_fence_wait+0x2f0/0x330 [radeon]
 [<ffffffff81038e9b>] ? warn_slowpath_common+0x7b/0xc0
 [<ffffffff81038f95>] ? warn_slowpath_fmt+0x45/0x50
 [<ffffffffa0167b01>] ? radeon_fence_wait+0x2f1/0x330 [radeon]
 [<ffffffff81054dd0>] ? add_wait_queue+0x60/0x60
 [<ffffffffa007cb0a>] ? ttm_bo_wait+0xba/0x1c0 [ttm]
 [<ffffffffa007f12b>] ? ttm_bo_move_buffer+0x7b/0x180 [ttm]
 [<ffffffffa007d642>] ? ttm_bo_reserve_locked+0xc2/0x160 [ttm]
 [<ffffffffa018311e>] ? radeon_cs_parser_relocs+0x5e/0x250 [radeon]
 [<ffffffffa0082b65>] ? ttm_eu_list_ref_sub+0x35/0x50 [ttm]
 [<ffffffffa007f2c5>] ? ttm_bo_validate+0x95/0x120 [ttm]
 [<ffffffffa01698c3>] ? radeon_bo_list_validate+0x73/0xd0 [radeon]
 [<ffffffffa018377c>] ? radeon_cs_ioctl+0xac/0x210 [radeon]
 [<ffffffffa00cb21c>] ? drm_ioctl+0x39c/0x460 [drm]
 [<ffffffffa01836d0>] ? radeon_cs_finish_pages+0xa0/0xa0 [radeon]
 [<ffffffff81022589>] ? do_page_fault+0x189/0x420
 [<ffffffff810b726d>] ? mmap_region+0x27d/0x520
 [<ffffffff810ecc0e>] ? do_vfs_ioctl+0x8e/0x4f0
 [<ffffffff810ed0b9>] ? sys_ioctl+0x49/0x80
 [<ffffffff8143aa7b>] ? system_call_fastpath+0x16/0x1b
---[ end trace edd1ae68ff942751 ]---
radeon 0000:01:00.0: GPU softreset 
radeon 0000:01:00.0:   GRBM_STATUS=0xA0003828
radeon 0000:01:00.0:   GRBM_STATUS_SE0=0x00000007
radeon 0000:01:00.0:   GRBM_STATUS_SE1=0x00000007
radeon 0000:01:00.0:   SRBM_STATUS=0x200000C0
radeon 0000:01:00.0:   GRBM_SOFT_RESET=0x00007F6B
radeon 0000:01:00.0:   GRBM_STATUS=0x00003828
radeon 0000:01:00.0:   GRBM_STATUS_SE0=0x00000007
radeon 0000:01:00.0:   GRBM_STATUS_SE1=0x00000007
radeon 0000:01:00.0:   SRBM_STATUS=0x200000C0
radeon 0000:01:00.0: GPU reset succeed
radeon 0000:01:00.0: WB enabled
[drm] ring test succeeded in 1 usecs
[drm] ib test succeeded in 1 usecs
[drm] force priority to high
[drm] force priority to high
[drm] force priority to high
[drm] force priority to high

Other software:
Mesa 7.12-devel (git-3fccc14)
libdrm from git
xorg-server 1.10.99.901

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