[Bug 42172] New: WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:267 radeon_fence_wait+0x39f/0x3d0()

Thu Sep 1 08:35:53 PDT 2011

https://bugzilla.kernel.org/show_bug.cgi?id=42172

           Summary: WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:267
                    radeon_fence_wait+0x39f/0x3d0()
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.1-rc3
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri at kernel-bugs.osdl.org
        ReportedBy: nissarin at gmail.com
        Regression: Yes

Basically, some time after login I experience GPU stall, after that the X
environment becomes unusable due to more errors ("couldn't schedule IB"),so
I've to switch to console to reboot the PC.

If I'm not mistaken, I hit this as soon as I tried 3.1 (rc2, perhaps even rc1
?) but at this point I'm not sure about this. 
Kernel 3.0 (+some stuff from airlied - radeon-testing/fixes) works fine. 

I've no idea how to reproduce this - usually I'm running only Firefox and/or
Thunderbird and some terminal windows (ssh sessions, rtorrent). It can happen a
few minutes after login or after a few hours, the one below actually took some
time as normally it's within a hour. 

I'm using...
 - Radeon 6850
 - Gentoo/AMD64 system
 - Xfce/xfwm v4.8.1 w/ compositor enabled
 - xorg-server 1.10.4/1.11
 - ati-driver (r600g), libdrm and mesa from git

I could try to bisect this but due to nature of the bug I don't know how long
it would take. 

Sep 01 15:06:00 [kernel] [15000.167025] radeon 0000:01:00.0: GPU lockup CP
stall for more than 10036msec
Sep 01 15:06:00 [kernel] [15000.167032] ------------[ cut here ]------------
Sep 01 15:06:00 [kernel] [15000.167046] WARNING: at
drivers/gpu/drm/radeon/radeon_fence.c:267 radeon_fence_wait+0x39f/0x3d0()
Sep 01 15:06:00 [kernel] [15000.167053] Hardware name: GA-MA78G-DS3H
Sep 01 15:06:00 [kernel] [15000.167058] GPU lockup (waiting for 0x000A529F last
fence id 0x000A529C)
Sep 01 15:06:00 [kernel] [15000.167062] Modules linked in: reiserfs
Sep 01 15:06:00 [kernel] [15000.167073] Pid: 3280, comm: X Not tainted
3.1.0-rc4-00131-g9e79e3e #242
Sep 01 15:06:00 [kernel] [15000.167078] Call Trace:
Sep 01 15:06:00 [kernel] [15000.167092]  [<ffffffff810694ab>] ?
warn_slowpath_common+0x7b/0xc0
Sep 01 15:06:00 [kernel] [15000.167101]  [<ffffffff810695a5>] ?
warn_slowpath_fmt+0x45/0x50
Sep 01 15:06:00 [kernel] [15000.167111]  [<ffffffff812ea3cf>] ?
radeon_fence_wait+0x39f/0x3d0
Sep 01 15:06:00 [kernel] [15000.167119]  [<ffffffff81084be0>] ?
wake_up_bit+0x40/0x40
Sep 01 15:06:00 [kernel] [15000.167129]  [<ffffffff812b47ef>] ?
ttm_bo_wait+0x10f/0x1b0
Sep 01 15:06:00 [kernel] [15000.167139]  [<ffffffff8130413f>] ?
radeon_gem_wait_idle_ioctl+0x8f/0x110
Sep 01 15:06:00 [kernel] [15000.167147]  [<ffffffff8129d4e1>] ?
drm_ioctl+0x401/0x4a0
Sep 01 15:06:00 [kernel] [15000.167156]  [<ffffffff813040b0>] ?
radeon_gem_set_tiling_ioctl+0xb0/0xb0
Sep 01 15:06:00 [kernel] [15000.167164]  [<ffffffff810773a8>] ?
set_current_blocked+0x38/0x60
Sep 01 15:06:00 [kernel] [15000.167172]  [<ffffffff81031d2a>] ?
do_signal+0x21a/0x770
Sep 01 15:06:00 [kernel] [15000.167181]  [<ffffffff8110da7c>] ?
do_vfs_ioctl+0x9c/0x540
Sep 01 15:06:00 [kernel] [15000.167188]  [<ffffffff810773a8>] ?
set_current_blocked+0x38/0x60
Sep 01 15:06:00 [kernel] [15000.167195]  [<ffffffff810324f8>] ?
sys_rt_sigreturn+0x1e8/0x200
Sep 01 15:06:00 [kernel] [15000.167203]  [<ffffffff8110df69>] ?
sys_ioctl+0x49/0x80
Sep 01 15:06:00 [kernel] [15000.167212]  [<ffffffff815d6b7b>] ?
system_call_fastpath+0x16/0x1b
Sep 01 15:06:00 [kernel] [15000.167218] ---[ end trace f6bfd0dc5ce37413 ]---
Sep 01 15:06:00 [kernel] [15000.168398] radeon 0000:01:00.0: GPU softreset 
Sep 01 15:06:00 [kernel] [15000.168405] radeon 0000:01:00.0:  
GRBM_STATUS=0xA0003828
Sep 01 15:06:00 [kernel] [15000.168410] radeon 0000:01:00.0:  
GRBM_STATUS_SE0=0x00000007
Sep 01 15:06:00 [kernel] [15000.168416] radeon 0000:01:00.0:  
GRBM_STATUS_SE1=0x00000007
Sep 01 15:06:00 [kernel] [15000.168422] radeon 0000:01:00.0:  
SRBM_STATUS=0x20020EC0
Sep 01 15:06:00 [kernel] [15000.345258] radeon 0000:01:00.0: Wait for MC idle
timedout !
Sep 01 15:06:00 [kernel] [15000.345265] radeon 0000:01:00.0:  
GRBM_SOFT_RESET=0x00007F6B
Sep 01 15:06:00 [kernel] [15000.345372] radeon 0000:01:00.0:  
GRBM_STATUS=0x00003828
Sep 01 15:06:00 [kernel] [15000.345377] radeon 0000:01:00.0:  
GRBM_STATUS_SE0=0x00000007
Sep 01 15:06:00 [kernel] [15000.345383] radeon 0000:01:00.0:  
GRBM_STATUS_SE1=0x00000007
Sep 01 15:06:00 [kernel] [15000.345388] radeon 0000:01:00.0:  
SRBM_STATUS=0x200206C0
Sep 01 15:06:00 [kernel] [15000.346396] radeon 0000:01:00.0: GPU reset succeed
Sep 01 15:06:00 [kernel] [15000.556795] radeon 0000:01:00.0: Wait for MC idle
timedout !
Sep 01 15:06:00 [kernel] [15000.744306] radeon 0000:01:00.0: Wait for MC idle
timedout !
Sep 01 15:06:00 [kernel] [15000.747925] radeon 0000:01:00.0: WB enabled
Sep 01 15:06:00 [kernel] [15000.969041] [drm:r600_ring_test] *ERROR* radeon:
ring test failed (scratch(0x8504)=0xCAFEDEAD)
Sep 01 15:06:00 [kernel] [15000.969049] [drm:evergreen_resume] *ERROR*
evergreen startup failed on resume
Sep 01 15:06:00 [kernel] [15000.977509] [drm:radeon_ib_schedule] *ERROR*
radeon: couldn't schedule IB(15).
Sep 01 15:06:00 [kernel] [15000.977518] [drm:radeon_cs_ioctl] *ERROR* Failed to
schedule IB !
Sep 01 15:06:00 [kernel] [15000.982304] [drm:radeon_ib_schedule] *ERROR*
radeon: couldn't schedule IB(0).
Sep 01 15:06:00 [kernel] [15000.982307] [drm:radeon_cs_ioctl] *ERROR* Failed to
schedule IB !
Sep 01 15:06:00 [kernel] [15000.984280] [drm:radeon_ib_schedule] *ERROR*
radeon: couldn't schedule IB(1).
Sep 01 15:06:00 [kernel] [15000.984283] [drm:radeon_cs_ioctl] *ERROR* Failed to
schedule IB !
Sep 01 15:06:00 [kernel] [15000.984819] [drm:radeon_ib_schedule] *ERROR*
radeon: couldn't schedule IB(2).
Sep 01 15:06:00 [kernel] [15000.984821] [drm:radeon_cs_ioctl] *ERROR* Failed to
schedule IB !

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