[ 1271.214783] console [netcon0] enabled
[ 1271.215805] netconsole: network logging started
[ 1322.754344] fuse init (API version 7.18)
[ 1427.038394] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
[ 1427.038402] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state
[ 1427.041660] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
[ 1553.117954] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
[ 1553.118438] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
[ 1553.146101] BUG: unable to handle kernel NULL pointer dereference at 00000004
[ 1553.146149] IP: [<c0237033>] process_one_work+0x2f/0x2d3
[ 1553.146183] *pde = 00000000 
[ 1553.146202] Oops: 0000 [#1] SMP 
[ 1553.146226] Modules linked in: fuse netconsole configfs sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables dm_mirror dm_region_hash dm_log snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec coretemp dcdbas snd_hwdep hwmon snd_seq snd_seq_device sg snd_pcm microcode snd_timer pcspkr snd e1000e soundcore iTCO_wdt i2c_i801 snd_page_alloc iTCO_vendor_support virtio_net virtio virtio_ring kvm_intel kvm ipv6 autofs4 ext3 jbd mbcache sr_mod cdrom sd_mod ehci_hcd i915 drm_kms_helper drm i2c_algo_bit button i2c_core video dm_mod [last unloaded: netconsole]
[ 1553.146737] 
[ 1553.146748] Pid: 702, comm: kworker/u:3 Not tainted 3.4.0-rc2_unstable_20120416+ #1 Dell Inc. OptiPlex 990/0DXWW6
[ 1553.146803] EIP: 0060:[<c0237033>] EFLAGS: 00010002 CPU: 1
[ 1553.146830] EIP is at process_one_work+0x2f/0x2d3
[ 1553.146854] EAX: 0dfb19d7 EBX: dfb19d78 ECX: 0e33063e EDX: 00000000
[ 1553.146887] ESI: f5558ac0 EDI: c0769a20 EBP: f5715f88 ESP: f5715f64
[ 1553.146916]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 1553.146942] CR0: 8005003b CR2: 00000004 CR3: 00773000 CR4: 000407d0
[ 1553.146971] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 1553.147000] DR6: ffff0ff0 DR7: 00000400
[ 1553.147019] Process kworker/u:3 (pid: 702, ti=f5714000 task=f4e5d710 task.ti=f5714000)
[ 1553.147055] Stack:
[ 1553.147066]  dfb18f4c 00000086 df826005 f8401edf 00000000 00000000 f5558ac0 c079e440
[ 1553.147127]  c0769a20 f5715fb8 c02375eb f564bf24 c0769a20 f4e5d710 00000089 c079e444
[ 1553.147187]  f5558ad0 f5558ad0 f564bf10 f5558ac0 c023746c f5715fe4 c023a02d 00000000
[ 1553.147247] Call Trace:
[ 1553.147275]  [<f8401edf>] ? i915_driver_irq_postinstall+0x156/0x156 [i915]
[ 1553.147308]  [<c02375eb>] worker_thread+0x17f/0x298
[ 1553.147333]  [<c023746c>] ? rescuer_thread+0x195/0x195
[ 1553.147358]  [<c023a02d>] kthread+0x67/0x6c
[ 1553.147379]  [<c0239fc6>] ? kthread_freezable_should_stop+0x4e/0x4e
[ 1553.147411]  [<c0545c76>] kernel_thread_helper+0x6/0xd
[ 1553.147436] Code: 56 89 c6 53 89 d3 83 ec 18 8b 02 89 d9 c7 45 f0 00 00 00 00 89 c2 30 d2 a8 04 0f 44 55 f0 89 d8 c1 e8 04 c1 e9 0a 89 55 f0 01 c1 <8b> 42 04 8b 3a 83 e1 3f 8b 00 89 45 ec 8b 43 0c 89 45 e8 8b 44 
[ 1553.147726] EIP: [<c0237033>] process_one_work+0x2f/0x2d3 SS:ESP 0068:f5715f64
[ 1553.147767] CR2: 0000000000000004
[ 1553.171842] ---[ end trace 88094ceb151ece1a ]---
[ 1553.171882] BUG: unable to handle kernel paging request at fffffffc
[ 1553.171922] IP: [<c0239cda>] kthread_data+0xa/0xe
[ 1553.171953] *pde = 00774067 *pte = 00000000 
[ 1553.171981] Oops: 0000 [#2] SMP 
[ 1553.172004] Modules linked in: fuse netconsole configfs sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables dm_mirror dm_region_hash dm_log snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec coretemp dcdbas snd_hwdep hwmon snd_seq snd_seq_device sg snd_pcm microcode snd_timer pcspkr snd e1000e soundcore iTCO_wdt i2c_i801 snd_page_alloc iTCO_vendor_support virtio_net virtio virtio_ring kvm_intel kvm ipv6 autofs4 ext3 jbd mbcache sr_mod cdrom sd_mod ehci_hcd i915 drm_kms_helper drm i2c_algo_bit button i2c_core video dm_mod [last unloaded: netconsole]
[ 1553.172520] 
[ 1553.172531] Pid: 702, comm: kworker/u:3 Tainted: G      D      3.4.0-rc2_unstable_20120416+ #1 Dell Inc. OptiPlex 990/0DXWW6
[ 1553.174057] EIP: 0060:[<c0239cda>] EFLAGS: 00010002 CPU: 1
[ 1553.175557] EIP is at kthread_data+0xa/0xe
[ 1553.177340] EAX: 00000000 EBX: 00000001 ECX: c079e918 EDX: 00000001
[ 1553.178847] ESI: f5715c0c EDI: f4e5d710 EBP: f5715d64 ESP: f5715d58
[ 1553.180327]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 1553.182075] CR0: 8005003b CR2: fffffffc CR3: 00773000 CR4: 000407d0
[ 1553.183499] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 1553.184906] DR6: ffff0ff0 DR7: 00000400
[ 1553.186281] Process kworker/u:3 (pid: 702, ti=f5714000 task=f4e5d710 task.ti=f5714000)
[ 1553.187660] Stack:
[ 1553.189196]  c02369f6 f5886a40 f5715c0c f5715df4 c053f376 00000000 f4ec2b80 f5715dcc
[ 1553.190576]  f4e5d710 c0769a40 c0763000 c0769a40 f4e5d9a0 c02c1d0f 00000001 f7126d00
[ 1553.191951]  f4e5d710 c0221bf5 f7126d00 c0237d53 00000246 00221bf5 00000246 f4e5d710
[ 1553.193327] Call Trace:
[ 1553.194706]  [<c02369f6>] ? wq_worker_sleeping+0xc/0x71
[ 1553.195842]  [<c053f376>] __schedule+0x13c/0x766
[ 1553.197216]  [<c02c1d0f>] ? kmem_cache_free+0x95/0xc6
[ 1553.198566]  [<c0221bf5>] ? __cleanup_sighand+0x23/0x26
[ 1553.200060]  [<c0237d53>] ? free_pid+0x8c/0x93
[ 1553.201791]  [<c027a844>] ? call_rcu_sched+0xf/0x12
[ 1553.203618]  [<c0225eb0>] ? release_task+0x368/0x378
[ 1553.205668]  [<c023dd5c>] ? switch_task_namespaces+0xf/0x3a
[ 1553.207680]  [<c053fc03>] schedule+0x51/0x53
[ 1553.209421]  [<c022745a>] do_exit+0x690/0x694
[ 1553.210698]  [<c0541305>] oops_end+0x93/0x9b
[ 1553.211957]  [<c021d1f3>] no_context+0x158/0x162
[ 1553.213206]  [<c021d2e8>] __bad_area_nosemaphore+0xeb/0xf5
[ 1553.214457]  [<c0542aef>] ? spurious_fault+0xad/0xad
[ 1553.215703]  [<c021d2ff>] bad_area_nosemaphore+0xd/0x10
[ 1553.216951]  [<c0542cae>] do_page_fault+0x1bf/0x3a7
[ 1553.218193]  [<c02473b7>] ? default_wake_function+0xb/0xd
[ 1553.219436]  [<c0240153>] ? __wake_up_common+0x34/0x5c
[ 1553.220644]  [<c0542aef>] ? spurious_fault+0xad/0xad
[ 1553.221815]  [<c0540cb2>] error_code+0x5a/0x60
[ 1553.222968]  [<c0542aef>] ? spurious_fault+0xad/0xad
[ 1553.224114]  [<c0237033>] ? process_one_work+0x2f/0x2d3
[ 1553.225269]  [<f8401edf>] ? i915_driver_irq_postinstall+0x156/0x156 [i915]
[ 1553.226413]  [<c02375eb>] worker_thread+0x17f/0x298
[ 1553.227558]  [<c023746c>] ? rescuer_thread+0x195/0x195
[ 1553.228704]  [<c023a02d>] kthread+0x67/0x6c
[ 1553.229820]  [<c0239fc6>] ? kthread_freezable_should_stop+0x4e/0x4e
[ 1553.230922]  [<c0545c76>] kernel_thread_helper+0x6/0xd
[ 1553.231995] Code: e8 ff f6 ff ff 31 c0 59 5b 5e 5f 5d c3 55 64 a1 8c 45 76 c0 8b 80 64 02 00 00 89 e5 5d 8b 40 f8 c3 55 8b 80 64 02 00 00 89 e5 5d <8b> 40 fc c3 55 31 c0 89 e5 5d c3 55 8d 50 04 89 e5 66 c7 00 00 
[ 1553.234391] EIP: [<c0239cda>] kthread_data+0xa/0xe SS:ESP 0068:f5715d58
[ 1553.235482] CR2: 00000000fffffffc
[ 1553.236532] ---[ end trace 88094ceb151ece1b ]---
[ 1553.236535] Fixing recursive fault but reboot is needed!