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kernel BUG at /build/buildd/linux-2.6.35/drivers/gpu/drm/i915/intel_display.c:2173!
invalid opcode: 0000 [#1] SMP 
last sysfs file: /sys/devices/pci0000:00/0000:00:1e.0/0000:01:05.0/rf_kill
Modules linked in: arc4 lib80211_crypt_wep binfmt_misc parport_pc ppdev lp parport snd_intel8x0 snd_ac97_codec joydev ac97_bus i915 snd_pcm snd_seq_midi snd_rawmidi drm_kms_helper ipw2200 snd_seq_midi_event snd_seq libipw pcmcia snd_timer drm snd_seq_device cfg80211 intel_agp yenta_socket pcmcia_rsrc psmouse i2c_algo_bit snd pcmcia_core lib80211 shpchp soundcore video agpgart toshiba_acpi serio_raw output snd_page_alloc firewire_ohci e100 usbhid firewire_core mii crc_itu_t hid

Pid: 1032, comm: Xorg Not tainted 2.6.35-19-generic #28-Ubuntu Portable PC/Satellite A55
EIP: 0060:[<f841ea49>] EFLAGS: 00213282 CPU: 0
EIP is at intel_crtc_dpms_overlay+0x39/0x50 [i915]
EAX: fffffffb EBX: f329e120 ECX: 00000000 EDX: 00000993
ESI: f28a0000 EDI: 00071008 EBP: f47f9dc8 ESP: f47f9dc4
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process Xorg (pid: 1032, ti=f47f8000 task=f1c73f70 task.ti=f47f8000)
Stack:
 00006018 f47f9df8 f8421032 00000000 00071180 00000001 00000001 f3107c00
<0> f289c000 00071184 f289c000 f3107c00 00000003 f47f9e1c f841dfa1 f3107c00
<0> 00000000 f322fd20 00000001 f3107edc f289c000 f3107edc f47f9e40 f8152a35
Call Trace:
 [<f8421032>] ? i9xx_crtc_dpms+0x192/0x2e0 [i915]
 [<f841dfa1>] ? intel_crtc_dpms+0x31/0x110 [i915]
 [<f8152a35>] ? drm_helper_connector_dpms+0x165/0x280 [drm_kms_helper]
 [<f8424d20>] ? intel_lvds_dpms+0x0/0x30 [i915]
 [<f841df70>] ? intel_crtc_dpms+0x0/0x110 [i915]
 [<f8299481>] ? drm_mode_connector_property_set_ioctl+0x1e1/0x1f0 [drm]
 [<f8299669>] ? drm_mode_getproperty_ioctl+0x149/0x2c0 [drm]
 [<c01064ab>] ? mask_8259A+0xb/0x30
 [<f828e98d>] ? drm_ioctl+0x1ad/0x430 [drm]
 [<c01064ab>] ? mask_8259A+0xb/0x30
 [<f82992a0>] ? drm_mode_connector_property_set_ioctl+0x0/0x1f0 [drm]
 [<c0359c59>] ? copy_to_user+0x39/0x130
 [<c03f1fd8>] ? vga_arb_read+0x188/0x220
 [<c01064ab>] ? mask_8259A+0xb/0x30
 [<c02260e2>] ? vfs_ioctl+0x32/0xb0
 [<f828e7e0>] ? drm_ioctl+0x0/0x430 [drm]
 [<c0226979>] ? do_vfs_ioctl+0x79/0x2d0
 [<c03f1e50>] ? vga_arb_read+0x0/0x220
 [<c0226c37>] ? sys_ioctl+0x67/0x80
 [<c01064ab>] ? mask_8259A+0xb/0x30
 [<c05c8364>] ? syscall_call+0x7/0xb
 [<c01064ab>] ? mask_8259A+0xb/0x30
 [<c01064ab>] ? mask_8259A+0xb/0x30
Code: 98 48 04 00 00 85 db 74 30 8b 03 83 c0 14 e8 ef 81 1a c8 89 d8 e8 88 2f 01 00 85 c0 74 11 31 d2 89 d8 e8 db 2d 01 00 85 c0 74 e8 <0f> 0b eb fe 8b 03 83 c0 14 e8 69 7f 1a c8 5b 5d c3 8d b6 00 00 
EIP: [<f841ea49>] intel_crtc_dpms_overlay+0x39/0x50 [i915] SS:ESP 0068:f47f9dc4
---[ end trace a10fbb85b7746c24 ]---