BUG: unable to handle kernel NULL pointer dereference at 000001e4
IP: [<f83f6f47>] intel_tv_detect_type.clone.6+0xa7/0x4a0 [i915]
*pde = 295da067 *pte = 00000000 
Oops: 0000 [#1] SMP 
last sysfs file: /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-SVIDEO-1/status
Modules linked in: michael_mic arc4 lib80211_crypt_tkip cryptd aes_i586 aes_generic lib80211_crypt_ccmp binfmt_misc parport_pc ppdev lp parport snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_seq_midi pcmcia snd_rawmidi joydev snd_seq_midi_event snd_seq ipw2200 snd_timer snd_seq_device libipw snd hp_wmi yenta_socket i915 pcmcia_rsrc tifm_7xx1 sparse_keymap psmouse cfg80211 soundcore drm_kms_helper tifm_core pcmcia_core lib80211 snd_page_alloc serio_raw i2c_algo_bit video sdhci_pci tg3 sdhci drm

Pid: 1289, comm: upowerd Not tainted 2.6.38-6-generic #34-Ubuntu Hewlett-Packard         /0938
EIP: 0060:[<f83f6f47>] EFLAGS: 00010206 CPU: 0
EIP is at intel_tv_detect_type.clone.6+0xa7/0x4a0 [i915]
EAX: 00000000 EBX: ec5a7800 ECX: f5525400 EDX: f5525420
ESI: f8407a6c EDI: 0f0000aa EBP: e96e7e08 ESP: e96e7dc8
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process upowerd (pid: 1289, ti=e96e6000 task=e9696500 task.ti=e96e6000)
Stack:
 e96e7e08 f83e179a 00000000 00000000 00000380 e96e7e20 f5525420 ec5a7aa4
 70000000 000c0c07 000c0c07 f5525400 efc78000 ec5a7800 f8407a6c e96e7ef0
 e96e7f00 f83f74d5 e96e7e20 00000001 0154b5e0 f5525400 00000003 00000000
Call Trace:
 [<f83e179a>] ? intel_get_load_detect_pipe+0x14a/0x190 [i915]
 [<f83f74d5>] intel_tv_detect+0x195/0x1d0 [i915]
 [<f810e0b0>] ? status_show+0x0/0x50 [drm]
 [<f810e0cf>] status_show+0x1f/0x50 [drm]
 [<c1330659>] dev_attr_show+0x29/0x50
 [<c1182c7e>] sysfs_read_file+0x7e/0x130
 [<c1126fbf>] vfs_read+0x9f/0x160
 [<c1182c00>] ? sysfs_read_file+0x0/0x130
 [<c11270c2>] sys_read+0x42/0x70
 [<c1509914>] syscall_call+0x7/0xb
 [<c1500000>] ? intel_workarounds+0x35/0x11c
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 ec 89 fe ff b8 14 00 00 00 e8 62 d9 
EIP: [<f83f6f47>] intel_tv_detect_type.clone.6+0xa7/0x4a0 [i915] SS:ESP 0068:e96e7dc8
CR2: 00000000000001e4
---[ end trace 2f239ce11e589104 ]---