[47297.584573] WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:160 radeon_fence_signaled+0xc3/0xd0 [radeon]()
[47297.584581] Hardware name: System Product Name
[47297.584586] Querying an unemited fence : ffff880035f41fc0 !
[47297.584590] Modules linked in: xt_tcpudp iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 binfmt_misc ppdev snd_hda_codec_atihdmi snd_hda_codec_nvhdmi snd_hda_codec_via snd_hda_intel snd_hda_codec snd_hwdep snd_seq_dummy snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq iptable_filter snd_timer snd_seq_device ip_tables amd64_edac_mod snd lp x_tables soundcore edac_core video asus_atk0110 i2c_nforce2 parport joydev snd_page_alloc output raid10 raid1 raid0 multipath linear raid456 async_raid6_recov async_pq raid6_pq async_xor fbcon tileblit font bitblit softcursor xor async_memcpy async_tx hid_logitech ff_memless usbhid radeon ttm drm_kms_helper 8139too mii floppy drm forcedeth
[47297.584684] Pid: 1494, comm: Xorg Not tainted 2.6.32-rc7 #1
[47297.584689] Call Trace:
[47297.584708]  [<ffffffff8105e158>] warn_slowpath_common+0x78/0xb0
[47297.584716]  [<ffffffff8105e1ec>] warn_slowpath_fmt+0x3c/0x40
[47297.584752]  [<ffffffffa01012ce>] ? set_vtx_resource+0x28e/0x420 [radeon]
[47297.584783]  [<ffffffffa00ca873>] radeon_fence_signaled+0xc3/0xd0 [radeon]
[47297.584816]  [<ffffffffa00d9f15>] radeon_ib_free+0x45/0xb0 [radeon]
[47297.584845]  [<ffffffffa00ffc16>] r600_vb_ib_put+0x66/0x70 [radeon]
[47297.584874]  [<ffffffffa01004bf>] r600_blit_done_copy+0x15f/0x220 [radeon]
[47297.584905]  [<ffffffffa00f2863>] r600_copy_blit+0x53/0x70 [radeon]
[47297.584933]  [<ffffffffa00cb4f9>] radeon_move_blit+0xf9/0x170 [radeon]
[47297.584961]  [<ffffffffa00cb76f>] radeon_bo_move+0x1ff/0x310 [radeon]
[47297.584975]  [<ffffffffa0092cb1>] ? ttm_tt_create+0x121/0x1d0 [ttm]
[47297.584989]  [<ffffffffa0093bbf>] ttm_bo_handle_move_mem+0x11f/0x390 [ttm]
[47297.585001]  [<ffffffffa00950df>] ttm_bo_evict+0x14f/0x200 [ttm]
[47297.585014]  [<ffffffffa0094d6c>] ttm_bo_mem_space+0x47c/0x6a0 [ttm]
[47297.585028]  [<ffffffffa0095831>] ttm_bo_move_buffer+0xc1/0x130 [ttm]
[47297.585055]  [<ffffffffa0022b98>] ? drm_mm_split_at_start+0x18/0x70 [drm]
[47297.585068]  [<ffffffffa00958dd>] ttm_buffer_object_validate+0x3d/0xd0 [ttm]
[47297.585080]  [<ffffffffa0095d27>] ttm_buffer_object_init+0x2f7/0x370 [ttm]
[47297.585109]  [<ffffffffa00ccbc9>] radeon_object_create+0x149/0x240 [radeon]
[47297.585138]  [<ffffffffa00cca30>] ? radeon_ttm_object_object_destroy+0x0/0x50 [radeon]
[47297.585172]  [<ffffffffa00d9384>] radeon_gem_object_create+0x94/0x110 [radeon]
[47297.585205]  [<ffffffffa00db000>] ? radeon_cs_ioctl+0x120/0x1e0 [radeon]
[47297.585238]  [<ffffffffa00d982e>] radeon_gem_create_ioctl+0x5e/0x110 [radeon]
[47297.585258]  [<ffffffffa0019c0e>] drm_ioctl+0x17e/0x3a0 [drm]
[47297.585290]  [<ffffffffa00d97d0>] ? radeon_gem_create_ioctl+0x0/0x110 [radeon]
[47297.585300]  [<ffffffff81235df0>] ? smk_access+0xe0/0x200
[47297.585308]  [<ffffffff81236027>] ? smk_curacc+0x87/0xc0
[47297.585316]  [<ffffffff811374fc>] vfs_ioctl+0x7c/0xa0
[47297.585324]  [<ffffffff811379da>] do_vfs_ioctl+0x8a/0x5b0
[47297.585331]  [<ffffffff81137f81>] sys_ioctl+0x81/0xa0
[47297.585340]  [<ffffffff8107fb59>] ? up_write+0x9/0x10
[47297.585349]  [<ffffffff81011f42>] system_call_fastpath+0x16/0x1b
[47297.585356] ---[ end trace f0b95f5cef9733b6 ]---
[47297.586571] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
[47297.586578] IP: [<ffffffffa0102e0d>] r600_kms_blit_copy+0x6d/0xa90 [radeon]
[47297.586612] PGD 6a28a067 PUD 6e523067 PMD 0 
[47297.586616] Oops: 0000 [#1] SMP 
[47297.586618] last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
[47297.586621] CPU 1 
[47297.586622] Modules linked in: xt_tcpudp iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 binfmt_misc ppdev snd_hda_codec_atihdmi snd_hda_codec_nvhdmi snd_hda_codec_via snd_hda_intel snd_hda_codec snd_hwdep snd_seq_dummy snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq iptable_filter snd_timer snd_seq_device ip_tables amd64_edac_mod snd lp x_tables soundcore edac_core video asus_atk0110 i2c_nforce2 parport joydev snd_page_alloc output raid10 raid1 raid0 multipath linear raid456 async_raid6_recov async_pq raid6_pq async_xor fbcon tileblit font bitblit softcursor xor async_memcpy async_tx hid_logitech ff_memless usbhid radeon ttm drm_kms_helper 8139too mii floppy drm forcedeth
[47297.586655] Pid: 26702, comm: crx Tainted: G        W  2.6.32-rc7 #1 System Product Name
[47297.586657] RIP: 0010:[<ffffffffa0102e0d>]  [<ffffffffa0102e0d>] r600_kms_blit_copy+0x6d/0xa90 [radeon]
[47297.586668] RSP: 0018:ffff880017ad3768  EFLAGS: 00010216
[47297.586669] RAX: 0000000000000000 RBX: ffff88007d177000 RCX: ffffffffa01166c8
[47297.586671] RDX: ffffffffa010cf20 RSI: 0000000000000030 RDI: 0000000000000001
[47297.586673] RBP: ffff880017ad37f8 R08: 0000000009a5b000 R09: 0000000010244000
[47297.586675] R10: 0000000009a5b000 R11: 0000000000000000 R12: 00000000000000c0
[47297.586677] R13: 0000000000001000 R14: 0000000010244000 R15: 0000000000001000
[47297.586679] FS:  00007fa7462b2730(0000) GS:ffff880001c80000(0000) knlGS:00000000f7207af0
[47297.586681] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[47297.586682] CR2: 0000000000000028 CR3: 000000006d5b7000 CR4: 00000000000006e0
[47297.586684] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[47297.586686] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[47297.586688] Process crx (pid: 26702, threadinfo ffff880017ad2000, task ffff88005026ada0)
[47297.586689] Stack:
[47297.586690]  0000000000001000 0000000000000030 ffff880017ad3798 0000000009a5b000
[47297.586693] <0> 0000000000001409 0000000000000900 ffff880017ad37f8 ffffffffa0101e73
[47297.586696] <0> ffff880017ad37f8 0000000000000246 0000000000001000 ffffffffa00cae4f
[47297.586699] Call Trace:
[47297.586710]  [<ffffffffa0101e73>] ? r600_blit_prepare_copy+0xa13/0xfd0 [radeon]
[47297.586720]  [<ffffffffa00cae4f>] ? radeon_fence_create+0x2f/0x130 [radeon]
[47297.586730]  [<ffffffffa00f2858>] r600_copy_blit+0x48/0x70 [radeon]
[47297.586739]  [<ffffffffa00cb4f9>] radeon_move_blit+0xf9/0x170 [radeon]
[47297.586748]  [<ffffffffa00cb76f>] radeon_bo_move+0x1ff/0x310 [radeon]
[47297.586754]  [<ffffffffa0092cb1>] ? ttm_tt_create+0x121/0x1d0 [ttm]
[47297.586758]  [<ffffffffa0093bbf>] ttm_bo_handle_move_mem+0x11f/0x390 [ttm]
[47297.586763]  [<ffffffffa00950df>] ttm_bo_evict+0x14f/0x200 [ttm]
[47297.586767]  [<ffffffffa0094d6c>] ttm_bo_mem_space+0x47c/0x6a0 [ttm]
[47297.586772]  [<ffffffff81125136>] ? mem_cgroup_charge_common+0x76/0xa0
[47297.586777]  [<ffffffffa0095831>] ttm_bo_move_buffer+0xc1/0x130 [ttm]
[47297.586794]  [<ffffffffa0022b98>] ? drm_mm_split_at_start+0x18/0x70 [drm]
[47297.586798]  [<ffffffffa00958dd>] ttm_buffer_object_validate+0x3d/0xd0 [ttm]
[47297.586802]  [<ffffffffa0095d27>] ttm_buffer_object_init+0x2f7/0x370 [ttm]
[47297.586811]  [<ffffffffa00ccbc9>] radeon_object_create+0x149/0x240 [radeon]
[47297.586820]  [<ffffffffa00cca30>] ? radeon_ttm_object_object_destroy+0x0/0x50 [radeon]
[47297.586831]  [<ffffffffa00d9384>] radeon_gem_object_create+0x94/0x110 [radeon]
[47297.586835]  [<ffffffff8113d8f4>] ? touch_atime+0x64/0x180
[47297.586845]  [<ffffffffa00d982e>] radeon_gem_create_ioctl+0x5e/0x110 [radeon]
[47297.586852]  [<ffffffffa0019c0e>] drm_ioctl+0x17e/0x3a0 [drm]
[47297.586862]  [<ffffffffa00d97d0>] ? radeon_gem_create_ioctl+0x0/0x110 [radeon]
[47297.586865]  [<ffffffff81012c2e>] ? call_function_interrupt+0xe/0x20
[47297.586870]  [<ffffffff810353b4>] ? __ticket_spin_lock+0x14/0x20
[47297.586873]  [<ffffffff811374fc>] vfs_ioctl+0x7c/0xa0
[47297.586876]  [<ffffffff811379da>] do_vfs_ioctl+0x8a/0x5b0
[47297.586878]  [<ffffffff81137f81>] sys_ioctl+0x81/0xa0
[47297.586882]  [<ffffffff8107fb59>] ? up_write+0x9/0x10
[47297.586886]  [<ffffffff81011f42>] system_call_fastpath+0x16/0x1b
[47297.586887] Code: c8 66 11 a0 4c 89 55 88 89 44 24 08 31 c0 e8 6b b2 f1 ff 8b b3 c0 0e 00 00 48 8b 83 c8 0e 00 00 4c 8b 55 88 41 89 f4 49 c1 e4 02 <4c> 03 60 28 41 f6 c5 03 0f 85 f5 03 00 00 4c 89 f0 4c 09 d0 a8 
[47297.586907] RIP  [<ffffffffa0102e0d>] r600_kms_blit_copy+0x6d/0xa90 [radeon]
[47297.586916]  RSP <ffff880017ad3768>
[47297.586917] CR2: 0000000000000028
[47297.586920] ---[ end trace f0b95f5cef9733b7 ]---