BUG: unable to handle kernel NULL pointer dereference at 000001e4
IP: [<f8a41387>] intel_tv_detect_type.clone.6+0xa7/0x4a0 [i915]
*pdpt = 000000002c749001 *pde = 0000000000000000 
Oops: 0000 [#1] SMP 
last sysfs file: /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-SVIDEO-1/status
Modules linked in: snd_seq_dummy binfmt_misc rfcomm sco bnep l2cap btusb parport_pc ppdev bluetooth dm_crypt joydev snd_hda_codec_hdmi pcmcia snd_hda_codec_idt arc4 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event b43 snd_seq mac80211 snd_timer snd_seq_device yenta_socket pcmcia_rsrc dell_wmi cfg80211 pcmcia_core sparse_keymap psmouse snd dell_laptop dcdbas serio_raw soundcore snd_page_alloc lp parport usbhid hid i915 drm_kms_helper drm tg3 sdhci_pci ahci firewire_ohci firewire_core libahci crc_itu_t ssb sdhci i2c_algo_bit video

Pid: 1954, comm: upowerd Not tainted 2.6.38-7-generic-pae #39-Ubuntu Dell Inc. Latitude E5500                  /0DW634
EIP: 0060:[<f8a41387>] EFLAGS: 00010206 CPU: 1
EIP is at intel_tv_detect_type.clone.6+0xa7/0x4a0 [i915]
EAX: 00000000 EBX: f6ef9000 ECX: f6ef8c00 EDX: f6ef8c20
ESI: f8a52a6c EDI: 0f0000aa EBP: ec77de08 ESP: ec77ddc8
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process upowerd (pid: 1954, ti=ec77c000 task=ec635860 task.ti=ec77c000)
Stack:
 ec77de08 f8a2b9fa 00000000 00000000 00000380 ec77de20 f6ef8c20 f6ef92a0
 70000000 000c00c0 000c00c7 f6ef8c00 f7664000 f6ef9000 f8a52a6c ec77def0
 ec77df00 f8a41915 ec77de20 00000001 01d93a60 f6ef8c00 00000003 00000000
Call Trace:
 [<f8a2b9fa>] ? intel_get_load_detect_pipe+0x14a/0x190 [i915]
 [<f8a41915>] intel_tv_detect+0x195/0x1d0 [i915]
 [<f84512c0>] ? status_show+0x0/0x50 [drm]
 [<f84512df>] status_show+0x1f/0x50 [drm]
 [<c1349cb9>] dev_attr_show+0x29/0x50
 [<c118e33e>] sysfs_read_file+0x7e/0x130
 [<c11328ef>] vfs_read+0x9f/0x160
 [<c118e2c0>] ? sysfs_read_file+0x0/0x130
 [<c11329f2>] sys_read+0x42/0x70
 [<c100ab5f>] sysenter_do_call+0x12/0x28
Code: 8b 41 10 89 90 00 80 06 00 3e 8d 74 26 00 8b 4d f0 8b 41 10 89 b8 04 80 06 00 8b 41 10 8b 80 04 80 06 00 8b 55 d8 8b 4d ec 8b 02 <8b> 90 e4 01 00 00 8b 01 e8 0c 88 fe ff b8 14 00 00 00 e8 62 ca 
EIP: [<f8a41387>] intel_tv_detect_type.clone.6+0xa7/0x4a0 [i915] SS:ESP 0068:ec77ddc8
CR2: 00000000000001e4
---[ end trace bfd27eff5dbd3758 ]---