------------[ cut here ]------------
kernel BUG at /build/buildd/linux-2.6.32/drivers/gpu/drm/i915/intel_display.c:1917!
invalid opcode: 0000 [#1] SMP 
last sysfs file: /sys/devices/pci0000:00/0000:00:1e.0/0000:01:03.0/rf_kill
Modules linked in: binfmt_misc ppdev fbcon tileblit font snd_intel8x0 bitblit snd_ac97_codec softcursor ac97_bus vga16fb snd_pcm_oss vgastate snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi pcmcia snd_rawmidi i915 snd_seq_midi_event drm_kms_helper snd_seq drm snd_timer snd_seq_device snd yenta_socket soundcore rsrc_nonstatic i2c_algo_bit joydev ipw2100 pcmcia_core snd_page_alloc libipw psmouse dell_wmi lib80211 intel_agp video dell_laptop agpgart lp output shpchp serio_raw dcdbas parport ohci1394 e100 mii ieee1394

Pid: 1904, comm: Xorg Not tainted (2.6.32-19-generic #28-Ubuntu) Latitude D505                   
EIP: 0060:[<e0a8c209>] EFLAGS: 00010282 CPU: 0
EIP is at intel_crtc_dpms_overlay+0x39/0x50 [i915]
EAX: fffffffb EBX: d455ef60 ECX: 00000000 EDX: 0000c194
ESI: d458e000 EDI: 00071008 EBP: db667d40 ESP: db667d3c
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process Xorg (pid: 1904, ti=db666000 task=db65b340 task.ti=db666000)
Stack:
 00006018 db667d70 e0a8d0b2 0000017c 00071180 00000001 00000001 d4cbb400
<0> d3cc4800 00071184 d3cc4800 d4cbb400 00000003 db667d94 e0a8b211 d4cbb6dc
<0> db667d84 c0589142 00000001 d3cc4800 e0aa1020 d4cbb6dc db667dd0 e0a0d051
Call Trace:
 [<e0a8d0b2>] ? i9xx_crtc_dpms+0x192/0x2c0 [i915]
 [<e0a8b211>] ? intel_crtc_dpms+0x31/0x110 [i915]
 [<c0589142>] ? _cond_resched+0x32/0x50
 [<e0a0d051>] ? drm_fb_helper_off+0xf1/0x150 [drm_kms_helper]
 [<e0a0d0e4>] ? drm_fb_helper_blank+0x34/0x60 [drm_kms_helper]
 [<c03cd52b>] ? fb_blank+0x3b/0x70
 [<c03ce010>] ? fb_ioctl+0x0/0x30
 [<c03ce010>] ? fb_ioctl+0x0/0x30
 [<c03cdd62>] ? do_fb_ioctl+0x2b2/0x560
 [<c01da937>] ? vma_prio_tree_insert+0x27/0x40
 [<c01e82c0>] ? __vma_link_file+0x40/0x70
 [<c01e8964>] ? vma_link+0x84/0xa0
 [<c03ce010>] ? fb_ioctl+0x0/0x30
 [<c03ce032>] ? fb_ioctl+0x22/0x30
 [<c0215f71>] ? vfs_ioctl+0x21/0x90
 [<c0216259>] ? do_vfs_ioctl+0x79/0x310
 [<c0216557>] ? sys_ioctl+0x67/0x80
 [<c01033ec>] ? syscall_call+0x7/0xb
Code: 98 58 04 00 00 85 db 74 30 8b 03 83 c0 14 e8 4f d9 af df 89 d8 e8 e8 03 01 00 85 c0 74 11 31 d2 89 d8 e8 3b 02 01 00 85 c0 74 e8 <0f> 0b eb fe 8b 03 83 c0 14 e8 e9 d6 af df 5b 5d c3 8d b6 00 00 
EIP: [<e0a8c209>] intel_crtc_dpms_overlay+0x39/0x50 [i915] SS:ESP 0068:db667d3c
---[ end trace b2b0b07bbc892376 ]---