[  721.441139] [drm] write mode info 153
[  722.034209] [drm] write mode info 153
[  722.034425] BUG: unable to handle kernel NULL pointer dereference at 00000001
[  722.034592] IP: [<00000001>] 0x0
[  722.034672] *pde = 00000000 
[  722.034737] Oops: 0000 [#1] PREEMPT SMP 
[  722.034833] Modules linked in: nfsd auth_rpcgss nfs_acl hwmon_vid snd_hda_codec_realtek hid_generic gpio_ich iTCO_wdt usbhid iTCO_vendor_support hid acpi_cpufreq mperf udl drm_usb syscopyarea sysfillrect sysimgblt snd_hda_intel coretemp i915 lpc_ich snd_hda_codec drm_kms_helper snd_hwdep evdev drm snd_pcm psmouse i2c_algo_bit ppdev microcode i2c_i801 snd_page_alloc snd_timer snd soundcore parport_pc serio_raw intel_agp intel_gtt agpgart pcspkr i2c_core processor parport button video nfs lockd sunrpc fscache uhci_hcd ehci_hcd usbcore usb_common e1000e ata_generic ahci sd_mod libahci ata_piix libata scsi_mod ext4 crc16 jbd2 mbcache btrfs crc32c libcrc32c zlib_deflate
[  722.036371] Pid: 1111, comm: X Not tainted 3.6.6-1-ARCH #1 MSI A9830IMS/A9830IMS
[  722.036515] EIP: 0060:[<00000001>] EFLAGS: 00010246 CPU: 1
[  722.036609] EIP is at 0x1
[  722.036609] EAX: f6ff2000 EBX: f6462260 ECX: e5e09180 EDX: 00000001
[  722.036609] ESI: e5e091a0 EDI: 00000001 EBP: da269e58 ESP: da269e3c
[  722.036609]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[  722.036609] CR0: 80050033 CR2: 00000001 CR3: 1a1db000 CR4: 000007c0
[  722.036609] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[  722.036609] DR6: ffff0ff0 DR7: 00000400
[  722.036609] Process X (pid: 1111, ti=da268000 task=f333ef40 task.ti=da268000)
[  722.036609] Stack:
[  722.036609]  c0346910 e5e09184 f6ff2000 e5e09180 eded3b00 f6462260 00000001 da269ea8
[  722.036609]  c020d4d1 f60487dc da269ea8 00000000 19488067 00000001 ede8d500 00000001
[  722.036609]  083f28bc b711b000 00000000 20679025 00000005 00000000 b711b000 f6462260
[  722.036609] Call Trace:
[  722.036609]  [<c0346910>] ? fb_deferred_io_mkwrite+0xd0/0xe0
[  722.036609]  [<c020d4d1>] __do_fault+0xc1/0x4b0
[  722.036609]  [<c0210538>] handle_pte_fault+0x78/0x880
[  722.036609]  [<c0210ea7>] handle_mm_fault+0x167/0x1f0
[  722.036609]  [<c0332540>] ? do_fb_ioctl+0x530/0x530
[  722.036609]  [<c04dc9d0>] ? spurious_fault+0xba/0xba
[  722.036609]  [<c04dcae0>] do_page_fault+0x110/0x510
[  722.036609]  [<c02fe061>] ? copy_to_user+0x31/0x50
[  722.036609]  [<c0159808>] ? sys_clock_gettime+0x48/0x70
[  722.036609]  [<c04dc9d0>] ? spurious_fault+0xba/0xba
[  722.036609]  [<c04da767>] error_code+0x67/0x6c
[  722.036609] Code:  Bad EIP value.
[  722.036609] EIP: [<00000001>] 0x1 SS:ESP 0068:da269e3c
[  722.036609] CR2: 0000000000000001
[  722.058862] ---[ end trace ce125c2596a256ab ]---