I have the same problem. My system is unresponsive/crashes about once a day. Please let me know if you need more logs or something. uname -a: ### Linux lnz357 2.6.38-11-generic #48-Ubuntu SMP Fri Jul 29 19:02:55 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux ### lspci -v -s 01:00.0 ### 01:00.0 VGA compatible controller: ATI Technologies Inc RV710 [Radeon HD 4550] (prog-if 00 [VGA controller]) Subsystem: Dell Device 0002 Flags: bus master, fast devsel, latency 0, IRQ 44 Memory at e0000000 (64-bit, prefetchable) [size=256M] Memory at f7df0000 (64-bit, non-prefetchable) [size=64K] I/O ports at dc00 [size=256] Expansion ROM at f7e00000 [disabled] [size=128K] Capabilities: [50] Power Management version 3 Capabilities: [58] Express Legacy Endpoint, MSI 00 Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+ Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 Kernel driver in use: radeon Kernel modules: radeon ### kern.log ### Sep 1 16:13:44 lnz357 kernel: [25971.439554] radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec Sep 1 16:13:44 lnz357 kernel: [25971.439557] ------------[ cut here ]------------ Sep 1 16:13:44 lnz357 kernel: [25971.439576] WARNING: at /build/buildd/linux-2.6.38/drivers/gpu/drm/radeon/radeon_fence.c:248 radeon_fence_wait+0x36f/0x3e0 [radeon]() Sep 1 16:13:44 lnz357 kernel: [25971.439578] Hardware name: OptiPlex 980 Sep 1 16:13:44 lnz357 kernel: [25971.439579] GPU lockup (waiting for 0x00681523 last fence id 0x00681522) Sep 1 16:13:44 lnz357 kernel: [25971.439581] Modules linked in: binfmt_misc pci_stub vboxpci vboxnetadp vboxnetflt vboxdrv ipt_MASQUERADE iptable_nat xt_CHECKSUM iptable_mangle bridge stp kvm_intel kvm ipt_REJECT ipt_LOG snd_hda _codec_hdmi snd_hda_codec_realtek xt_limit xt_tcpudp joydev ipt_addrtype xt_state radeon ip6table_filter snd_hda_intel ip6_tables snd_hda_codec nf_nat_irc nf_conntrack_irc dell_wmi nf_nat_ftp coretemp nf_nat snd_usb_audio nf_conn track_ipv4 lp sparse_keymap ttm snd_usbmidi_lib psmouse nf_defrag_ipv4 dcdbas nf_conntrack_ftp serio_raw snd_hwdep nf_conntrack iptable_filter snd_pcm ppdev snd_seq_midi drm_kms_helper drm ip_tables snd_rawmidi x_tables i2c_algo_ bit snd_seq_midi_event snd_seq snd_timer parport_pc snd_seq_device snd soundcore snd_page_alloc parport usbhid hid ahci e1000e libahci Sep 1 16:13:44 lnz357 kernel: [25971.439613] Pid: 1288, comm: Xorg Not tainted 2.6.38-11-generic #48-Ubuntu Sep 1 16:13:44 lnz357 kernel: [25971.439615] Call Trace: Sep 1 16:13:44 lnz357 kernel: [25971.439621] [] ? warn_slowpath_common+0x7f/0xc0 Sep 1 16:13:44 lnz357 kernel: [25971.439623] [] ? warn_slowpath_fmt+0x46/0x50 Sep 1 16:13:44 lnz357 kernel: [25971.439632] [] ? radeon_fence_wait+0x36f/0x3e0 [radeon] Sep 1 16:13:44 lnz357 kernel: [25971.439636] [] ? autoremove_wake_function+0x0/0x40 Sep 1 16:13:44 lnz357 kernel: [25971.439646] [] ? radeon_ib_get+0x12d/0x1e0 [radeon] Sep 1 16:13:44 lnz357 kernel: [25971.439656] [] ? radeon_cs_ioctl+0x8e/0x1e0 [radeon] Sep 1 16:13:44 lnz357 kernel: [25971.439659] [] ? handle_pte_fault+0xfa/0x210 Sep 1 16:13:44 lnz357 kernel: [25971.439667] [] ? drm_ioctl+0x3e4/0x4c0 [drm] Sep 1 16:13:44 lnz357 kernel: [25971.439677] [] ? radeon_cs_ioctl+0x0/0x1e0 [radeon] Sep 1 16:13:44 lnz357 kernel: [25971.439681] [] ? do_page_fault+0x258/0x540 Sep 1 16:13:44 lnz357 kernel: [25971.439685] [] ? do_vfs_ioctl+0x8f/0x360 Sep 1 16:13:44 lnz357 kernel: [25971.439687] [] ? sys_ioctl+0x91/0xa0 Sep 1 16:13:44 lnz357 kernel: [25971.439690] [] ? system_call_fastpath+0x16/0x1b Sep 1 16:13:44 lnz357 kernel: [25971.439691] ---[ end trace 0e91d650a1fe789b ]--- Sep 1 16:13:44 lnz357 kernel: [25971.439700] [drm] Disabling audio support Sep 1 16:13:44 lnz357 kernel: [25971.455730] radeon 0000:01:00.0: GPU softreset Sep 1 16:13:44 lnz357 kernel: [25971.455732] radeon 0000:01:00.0: R_008010_GRBM_STATUS=0xF5702028 Sep 1 16:13:44 lnz357 kernel: [25971.455734] radeon 0000:01:00.0: R_008014_GRBM_STATUS2=0x00110302 Sep 1 16:13:44 lnz357 kernel: [25971.455735] radeon 0000:01:00.0: R_000E50_SRBM_STATUS=0x200000C0 Sep 1 16:13:44 lnz357 kernel: [25971.455743] radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00007FEE Sep 1 16:13:44 lnz357 kernel: [25971.470701] radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00000001 Sep 1 16:13:44 lnz357 kernel: [25971.486656] radeon 0000:01:00.0: R_008010_GRBM_STATUS=0x00003028 Sep 1 16:13:44 lnz357 kernel: [25971.486658] radeon 0000:01:00.0: R_008014_GRBM_STATUS2=0x00000002 Sep 1 16:13:44 lnz357 kernel: [25971.486660] radeon 0000:01:00.0: R_000E50_SRBM_STATUS=0x200000C0 Sep 1 16:13:44 lnz357 kernel: [25971.487660] radeon 0000:01:00.0: GPU reset succeed Sep 1 16:13:44 lnz357 kernel: [25971.523625] radeon 0000:01:00.0: WB enabled Sep 1 16:13:44 lnz357 kernel: [25971.569990] [drm] ring test succeeded in 1 usecs Sep 1 16:13:44 lnz357 kernel: [25971.569999] [drm] ib test succeeded in 1 usecs Sep 1 16:13:44 lnz357 kernel: [25971.570001] [drm] Enabling audio support Sep 1 16:13:54 lnz357 kernel: [25981.567726] radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec Sep 1 16:13:54 lnz357 kernel: [25981.567733] ------------[ cut here ]------------ Sep 1 16:13:54 lnz357 kernel: [25981.567769] WARNING: at /build/buildd/linux-2.6.38/drivers/gpu/drm/radeon/radeon_fence.c:248 radeon_fence_wait+0x36f/0x3e0 [radeon]() Sep 1 16:13:54 lnz357 kernel: [25981.567774] Hardware name: OptiPlex 980 Sep 1 16:13:54 lnz357 kernel: [25981.567777] GPU lockup (waiting for 0x0068164D last fence id 0x0068164C) Sep 1 16:13:54 lnz357 kernel: [25981.567780] Modules linked in: binfmt_misc pci_stub vboxpci vboxnetadp vboxnetflt vboxdrv ipt_MASQUERADE iptable_nat xt_CHECKSUM iptable_mangle bridge stp kvm_intel kvm ipt_REJECT ipt_LOG snd_hda _codec_hdmi snd_hda_codec_realtek xt_limit xt_tcpudp joydev ipt_addrtype xt_state radeon ip6table_filter snd_hda_intel ip6_tables snd_hda_codec nf_nat_irc nf_conntrack_irc dell_wmi nf_nat_ftp coretemp nf_nat snd_usb_audio nf_conn track_ipv4 lp sparse_keymap ttm snd_usbmidi_lib psmouse nf_defrag_ipv4 dcdbas nf_conntrack_ftp serio_raw snd_hwdep nf_conntrack iptable_filter snd_pcm ppdev snd_seq_midi drm_kms_helper drm ip_tables snd_rawmidi x_tables i2c_algo_ bit snd_seq_midi_event snd_seq snd_timer parport_pc snd_seq_device snd soundcore snd_page_alloc parport usbhid hid ahci e1000e libahci Sep 1 16:13:54 lnz357 kernel: [25981.567862] Pid: 1288, comm: Xorg Tainted: G W 2.6.38-11-generic #48-Ubuntu Sep 1 16:13:54 lnz357 kernel: [25981.567865] Call Trace: Sep 1 16:13:54 lnz357 kernel: [25981.567876] [] ? warn_slowpath_common+0x7f/0xc0 Sep 1 16:13:54 lnz357 kernel: [25981.567882] [] ? warn_slowpath_fmt+0x46/0x50 Sep 1 16:13:54 lnz357 kernel: [25981.567906] [] ? radeon_fence_wait+0x36f/0x3e0 [radeon] Sep 1 16:13:54 lnz357 kernel: [25981.567913] [] ? autoremove_wake_function+0x0/0x40 Sep 1 16:13:54 lnz357 kernel: [25981.567940] [] ? radeon_ib_get+0x12d/0x1e0 [radeon] Sep 1 16:13:54 lnz357 kernel: [25981.567967] [] ? radeon_cs_ioctl+0x8e/0x1e0 [radeon] Sep 1 16:13:54 lnz357 kernel: [25981.567974] [] ? handle_pte_fault+0xfa/0x210 Sep 1 16:13:54 lnz357 kernel: [25981.567983] [] ? drm_ioctl+0x3e4/0x4c0 [drm] Sep 1 16:13:54 lnz357 kernel: [25981.567993] [] ? radeon_cs_ioctl+0x0/0x1e0 [radeon] Sep 1 16:13:54 lnz357 kernel: [25981.567997] [] ? do_page_fault+0x258/0x540 Sep 1 16:13:54 lnz357 kernel: [25981.568001] [] ? do_vfs_ioctl+0x8f/0x360 Sep 1 16:13:54 lnz357 kernel: [25981.568002] [] ? sys_ioctl+0x91/0xa0 Sep 1 16:13:54 lnz357 kernel: [25981.568005] [] ? system_call_fastpath+0x16/0x1b Sep 1 16:13:54 lnz357 kernel: [25981.568007] ---[ end trace 0e91d650a1fe789c ]--- Sep 1 16:13:54 lnz357 kernel: [25981.568016] [drm] Disabling audio support Sep 1 16:13:54 lnz357 kernel: [25981.584061] radeon 0000:01:00.0: GPU softreset Sep 1 16:13:54 lnz357 kernel: [25981.584064] radeon 0000:01:00.0: R_008010_GRBM_STATUS=0xF5702028 Sep 1 16:13:54 lnz357 kernel: [25981.584065] radeon 0000:01:00.0: R_008014_GRBM_STATUS2=0x00110302 Sep 1 16:13:54 lnz357 kernel: [25981.584067] radeon 0000:01:00.0: R_000E50_SRBM_STATUS=0x200000C0 Sep 1 16:13:54 lnz357 kernel: [25981.584075] radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00007FEE Sep 1 16:13:54 lnz357 kernel: [25981.599032] radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00000001 Sep 1 16:13:54 lnz357 kernel: [25981.614988] radeon 0000:01:00.0: R_008010_GRBM_STATUS=0x00003028 Sep 1 16:13:54 lnz357 kernel: [25981.614990] radeon 0000:01:00.0: R_008014_GRBM_STATUS2=0x00000002 Sep 1 16:13:54 lnz357 kernel: [25981.614992] radeon 0000:01:00.0: R_000E50_SRBM_STATUS=0x200000C0 Sep 1 16:13:54 lnz357 kernel: [25981.615991] radeon 0000:01:00.0: GPU reset succeed Sep 1 16:13:54 lnz357 kernel: [25981.651955] radeon 0000:01:00.0: WB enabled Sep 1 16:13:54 lnz357 kernel: [25981.698282] [drm] ring test succeeded in 1 usecs Sep 1 16:13:54 lnz357 kernel: [25981.698293] [drm] ib test succeeded in 1 usecs Sep 1 16:13:54 lnz357 kernel: [25981.698295] [drm] Enabling audio support Sep 1 16:14:05 lnz357 kernel: [25992.214109] radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec Sep 1 16:14:05 lnz357 kernel: [25992.214113] ------------[ cut here ]------------ Sep 1 16:14:05 lnz357 kernel: [25992.214138] WARNING: at /build/buildd/linux-2.6.38/drivers/gpu/drm/radeon/radeon_fence.c:248 radeon_fence_wait+0x36f/0x3e0 [radeon]() Sep 1 16:14:05 lnz357 kernel: [25992.214141] Hardware name: OptiPlex 980 Sep 1 16:14:05 lnz357 kernel: [25992.214142] GPU lockup (waiting for 0x0068175A last fence id 0x00681759) Sep 1 16:14:05 lnz357 kernel: [25992.214144] Modules linked in: binfmt_misc pci_stub vboxpci vboxnetadp vboxnetflt vboxdrv ipt_MASQUERADE iptable_nat xt_CHECKSUM iptable_mangle bridge stp kvm_intel kvm ipt_REJECT ipt_LOG snd_hda _codec_hdmi snd_hda_codec_realtek xt_limit xt_tcpudp joydev ipt_addrtype xt_state radeon ip6table_filter snd_hda_intel ip6_tables snd_hda_codec nf_nat_irc nf_conntrack_irc dell_wmi nf_nat_ftp coretemp nf_nat snd_usb_audio nf_conn track_ipv4 lp sparse_keymap ttm snd_usbmidi_lib psmouse nf_defrag_ipv4 dcdbas nf_conntrack_ftp serio_raw snd_hwdep nf_conntrack iptable_filter snd_pcm ppdev snd_seq_midi drm_kms_helper drm ip_tables snd_rawmidi x_tables i2c_algo_ bit snd_seq_midi_event snd_seq snd_timer parport_pc snd_seq_device snd soundcore snd_page_alloc parport usbhid hid ahci e1000e libahci Sep 1 16:14:05 lnz357 kernel: [25992.214183] Pid: 1916, comm: compiz Tainted: G W 2.6.38-11-generic #48-Ubuntu Sep 1 16:14:05 lnz357 kernel: [25992.214185] Call Trace: Sep 1 16:14:05 lnz357 kernel: [25992.214192] [] ? warn_slowpath_common+0x7f/0xc0 Sep 1 16:14:05 lnz357 kernel: [25992.214195] [] ? warn_slowpath_fmt+0x46/0x50 Sep 1 16:14:05 lnz357 kernel: [25992.214205] [] ? radeon_fence_wait+0x36f/0x3e0 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.214210] [] ? autoremove_wake_function+0x0/0x40 Sep 1 16:14:05 lnz357 kernel: [25992.214220] [] ? radeon_sync_obj_wait+0x11/0x20 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.214227] [] ? ttm_bo_wait+0xfd/0x1b0 [ttm] Sep 1 16:14:05 lnz357 kernel: [25992.214231] [] ? ttm_bo_list_ref_sub+0x28/0x30 [ttm] Sep 1 16:14:05 lnz357 kernel: [25992.214243] [] ? radeon_gem_wait_idle_ioctl+0x93/0x110 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.214254] [] ? drm_ioctl+0x3e4/0x4c0 [drm] Sep 1 16:14:05 lnz357 kernel: [25992.214265] [] ? radeon_gem_wait_idle_ioctl+0x0/0x110 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.214270] [] ? do_page_fault+0x258/0x540 Sep 1 16:14:05 lnz357 kernel: [25992.214275] [] ? do_vfs_ioctl+0x8f/0x360 Sep 1 16:14:05 lnz357 kernel: [25992.214277] [] ? sys_ioctl+0x91/0xa0 Sep 1 16:14:05 lnz357 kernel: [25992.214280] [] ? system_call_fastpath+0x16/0x1b Sep 1 16:14:05 lnz357 kernel: [25992.214282] ---[ end trace 0e91d650a1fe789d ]--- Sep 1 16:14:05 lnz357 kernel: [25992.214292] [drm] Disabling audio support Sep 1 16:14:05 lnz357 kernel: [25992.230305] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule IB(8). Sep 1 16:14:05 lnz357 kernel: [25992.230308] [drm:radeon_cs_ioctl] *ERROR* Failed to schedule IB ! Sep 1 16:14:05 lnz357 kernel: [25992.234267] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule IB(9). Sep 1 16:14:05 lnz357 kernel: [25992.234271] [drm:radeon_cs_ioctl] *ERROR* Failed to schedule IB ! Sep 1 16:14:05 lnz357 kernel: [25992.236062] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule IB(10). Sep 1 16:14:05 lnz357 kernel: [25992.236064] [drm:radeon_cs_ioctl] *ERROR* Failed to schedule IB ! Sep 1 16:14:05 lnz357 kernel: [25992.237559] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule IB(11). Sep 1 16:14:05 lnz357 kernel: [25992.237561] [drm:radeon_cs_ioctl] *ERROR* Failed to schedule IB ! Sep 1 16:14:05 lnz357 kernel: [25992.241082] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule IB(12). Sep 1 16:14:05 lnz357 kernel: [25992.241085] [drm:radeon_cs_ioctl] *ERROR* Failed to schedule IB ! Sep 1 16:14:05 lnz357 kernel: [25992.241559] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule IB(13). Sep 1 16:14:05 lnz357 kernel: [25992.241562] [drm:radeon_cs_ioctl] *ERROR* Failed to schedule IB ! Sep 1 16:14:05 lnz357 kernel: [25992.243399] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule IB(14). Sep 1 16:14:05 lnz357 kernel: [25992.243401] [drm:radeon_cs_ioctl] *ERROR* Failed to schedule IB ! Sep 1 16:14:05 lnz357 kernel: [25992.244276] radeon 0000:01:00.0: GPU softreset Sep 1 16:14:05 lnz357 kernel: [25992.244279] radeon 0000:01:00.0: R_008010_GRBM_STATUS=0xF5702028 Sep 1 16:14:05 lnz357 kernel: [25992.244281] radeon 0000:01:00.0: R_008014_GRBM_STATUS2=0x00110302 Sep 1 16:14:05 lnz357 kernel: [25992.244284] radeon 0000:01:00.0: R_000E50_SRBM_STATUS=0x200000C0 Sep 1 16:14:05 lnz357 kernel: [25992.244290] radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00007FEE Sep 1 16:14:05 lnz357 kernel: [25992.245653] BUG: unable to handle kernel paging request at ffffc900075ee470 Sep 1 16:14:05 lnz357 kernel: [25992.245705] IP: [] rs600_gart_set_page+0x3c/0x50 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.245766] PGD 11780f067 PUD 117820067 PMD ce482067 PTE 0 Sep 1 16:14:05 lnz357 kernel: [25992.245806] Oops: 0002 [#1] SMP Sep 1 16:14:05 lnz357 kernel: [25992.245831] last sysfs file: /sys/devices/pci0000:00/0000:00:1f.2/host2/target2:0:0/2:0:0:0/block/sda/stat Sep 1 16:14:05 lnz357 kernel: [25992.245884] CPU 3 Sep 1 16:14:05 lnz357 kernel: [25992.245896] Modules linked in: binfmt_misc pci_stub vboxpci vboxnetadp vboxnetflt vboxdrv ipt_MASQUERADE iptable_nat xt_CHECKSUM iptable_mangle bridge stp kvm_intel kvm ipt_REJECT ipt_LOG snd_hda _codec_hdmi snd_hda_codec_realtek xt_limit xt_tcpudp joydev ipt_addrtype xt_state radeon ip6table_filter snd_hda_intel ip6_tables snd_hda_codec nf_nat_irc nf_conntrack_irc dell_wmi nf_nat_ftp coretemp nf_nat snd_usb_audio nf_conn track_ipv4 lp sparse_keymap ttm snd_usbmidi_lib psmouse nf_defrag_ipv4 dcdbas nf_conntrack_ftp serio_raw snd_hwdep nf_conntrack iptable_filter snd_pcm ppdev snd_seq_midi drm_kms_helper drm ip_tables snd_rawmidi x_tables i2c_algo_ bit snd_seq_midi_event snd_seq snd_timer parport_pc snd_seq_device snd soundcore snd_page_alloc parport usbhid hid ahci e1000e libahci Sep 1 16:14:05 lnz357 kernel: [25992.246341] Sep 1 16:14:05 lnz357 kernel: [25992.246351] Pid: 1288, comm: Xorg Tainted: G W 2.6.38-11-generic #48-Ubuntu Dell Inc. OptiPlex 980 /0C522T Sep 1 16:14:05 lnz357 kernel: [25992.246411] RIP: 0010:[] [] rs600_gart_set_page+0x3c/0x50 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.246469] RSP: 0018:ffff880036e0ba28 EFLAGS: 00010282 Sep 1 16:14:05 lnz357 kernel: [25992.246499] RAX: 00000000ffffffea RBX: ffff88010ddda000 RCX: ffffc900075ee470 Sep 1 16:14:05 lnz357 kernel: [25992.246537] RDX: 0000000045528067 RSI: 000000000006e470 RDI: ffff88010ddda000 Sep 1 16:14:05 lnz357 kernel: [25992.246576] RBP: ffff880036e0ba28 R08: 0000000000000000 R09: 0000000000000000 Sep 1 16:14:05 lnz357 kernel: [25992.246615] R10: 0000000000000002 R11: 0000000000000000 R12: 000000000000dc8e Sep 1 16:14:05 lnz357 kernel: [25992.246653] R13: ffff8800715a7e78 R14: ffff88010e76e470 R15: 000000000000dc8e Sep 1 16:14:05 lnz357 kernel: [25992.246692] FS: 00007f68e2ab28a0(0000) GS:ffff8800df4c0000(0000) knlGS:0000000000000000 Sep 1 16:14:05 lnz357 kernel: [25992.246735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Sep 1 16:14:05 lnz357 kernel: [25992.246766] CR2: ffffc900075ee470 CR3: 0000000036cb3000 CR4: 00000000000026e0 Sep 1 16:14:05 lnz357 kernel: [25992.246805] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Sep 1 16:14:05 lnz357 kernel: [25992.246838] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Sep 1 16:14:05 lnz357 kernel: [25992.246870] Process Xorg (pid: 1288, threadinfo ffff880036e0a000, task ffff880102a616e0) Sep 1 16:14:05 lnz357 kernel: [25992.246907] Stack: Sep 1 16:14:05 lnz357 kernel: [25992.246918] ffff880036e0ba78 ffffffffa02803d8 0dc8e00036e0ba48 0000000000000001 Sep 1 16:14:05 lnz357 kernel: [25992.246956] ffff880036065300 ffff880036065300 ffff880036065300 ffff880036e0bb58 Sep 1 16:14:05 lnz357 kernel: [25992.246993] 0000000000000000 0000000000000000 ffff880036e0ba98 ffffffffa027de82 Sep 1 16:14:05 lnz357 kernel: [25992.247032] Call Trace: Sep 1 16:14:05 lnz357 kernel: [25992.247057] [] radeon_gart_bind+0x88/0x1c0 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.247094] [] radeon_ttm_backend_bind+0x32/0x90 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.247129] [] ttm_tt_bind+0x58/0x80 [ttm] Sep 1 16:14:05 lnz357 kernel: [25992.247157] [] ttm_bo_handle_move_mem+0x194/0x3d0 [ttm] Sep 1 16:14:05 lnz357 kernel: [25992.247198] [] ? drm_mm_put_block+0x180/0x230 [drm] Sep 1 16:14:05 lnz357 kernel: [25992.247238] [] ? kmem_cache_alloc_trace+0x31/0x120 Sep 1 16:14:05 lnz357 kernel: [25992.247276] [] ttm_bo_move_buffer+0x142/0x160 [ttm] Sep 1 16:14:05 lnz357 kernel: [25992.247315] [] ? rb_insert_color+0xad/0x150 Sep 1 16:14:05 lnz357 kernel: [25992.247350] [] ttm_bo_validate+0x96/0x120 [ttm] Sep 1 16:14:05 lnz357 kernel: [25992.247387] [] ttm_bo_init+0x1b8/0x260 [ttm] Sep 1 16:14:05 lnz357 kernel: [25992.247429] [] radeon_bo_create+0x147/0x2a0 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.247474] [] ? radeon_ttm_bo_destroy+0x0/0xc0 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.247523] [] radeon_gem_object_create+0x8c/0x120 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.249475] [] radeon_gem_create_ioctl+0x58/0xd0 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.251467] [] ? radeon_gem_get_tiling_ioctl+0xcf/0x110 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.253375] [] drm_ioctl+0x3e4/0x4c0 [drm] Sep 1 16:14:05 lnz357 kernel: [25992.255282] [] ? radeon_gem_create_ioctl+0x0/0xd0 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.257317] [] ? do_page_fault+0x258/0x540 Sep 1 16:14:05 lnz357 kernel: [25992.259250] radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00000001 Sep 1 16:14:05 lnz357 kernel: [25992.261239] [] do_vfs_ioctl+0x8f/0x360 Sep 1 16:14:05 lnz357 kernel: [25992.263180] [] sys_ioctl+0x91/0xa0 Sep 1 16:14:05 lnz357 kernel: [25992.265069] [] system_call_fastpath+0x16/0x1b Sep 1 16:14:05 lnz357 kernel: [25992.267143] Code: 50 03 00 00 85 f6 79 07 c9 c3 0f 1f 44 00 00 3b b7 38 03 00 00 77 f1 c1 e6 03 48 81 e2 00 f0 ff ff 48 63 f6 48 83 ca 67 48 01 f1 <48> 89 11 31 c0 c9 c3 66 66 66 66 2e 0f 1f 84 0 0 00 00 00 00 55 Sep 1 16:14:05 lnz357 kernel: [25992.269516] RIP [] rs600_gart_set_page+0x3c/0x50 [radeon] Sep 1 16:14:05 lnz357 kernel: [25992.271805] RSP Sep 1 16:14:05 lnz357 kernel: [25992.274029] CR2: ffffc900075ee470 Sep 1 16:14:05 lnz357 kernel: [25992.275207] radeon 0000:01:00.0: R_008010_GRBM_STATUS=0x00003028 Sep 1 16:14:05 lnz357 kernel: [25992.275210] radeon 0000:01:00.0: R_008014_GRBM_STATUS2=0x00000002 Sep 1 16:14:05 lnz357 kernel: [25992.275212] radeon 0000:01:00.0: R_000E50_SRBM_STATUS=0x200030C0 Sep 1 16:14:05 lnz357 kernel: [25992.276212] radeon 0000:01:00.0: GPU reset succeed Sep 1 16:14:05 lnz357 kernel: [25992.297807] ---[ end trace 0e91d650a1fe789e ]--- ###