BUG: unable to handle kernel NULL pointer dereference at 000001e4 IP: [] intel_tv_detect_type.clone.6+0xa7/0x4a0 [i915] *pde = 5eb62067 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 rfcomm binfmt_misc sco bnep l2cap parport_pc ppdev snd_hda_codec_si3054 snd_hda_codec_realtek joydev arc4 snd_hda_intel snd_usb_audio snd_hda_codec snd_pcm snd_hwdep ath5k snd_usbmidi_lib i915 snd_seq_midi ath mac80211 snd_rawmidi snd_seq_midi_event drm_kms_helper snd_seq pcmcia usbhid btusb drm snd_timer bluetooth snd_seq_device cfg80211 hid psmouse tifm_7xx1 yenta_socket snd tifm_core pcmcia_rsrc serio_raw pcmcia_core i2c_algo_bit video soundcore snd_page_alloc lp parport sky2 Pid: 1469, comm: upowerd Not tainted 2.6.38-6-generic #34-Ubuntu Acer, inc. Aspire 3680 /Prespa1 EIP: 0060:[] EFLAGS: 00010206 CPU: 0 EIP is at intel_tv_detect_type.clone.6+0xa7/0x4a0 [i915] EAX: 00000000 EBX: efcc5400 ECX: efcc5000 EDX: efcc5020 ESI: f8769a6c EDI: 0f0000aa EBP: efd7be08 ESP: efd7bdc8 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Process upowerd (pid: 1469, ti=efd7a000 task=ee658000 task.ti=efd7a000) Stack: efd7be08 f874379a 00000000 00000000 00000380 efd7be20 efcc5020 efcc56a4 70000000 000c0007 000c0007 efcc5000 efe6a000 efcc5400 f8769a6c efd7bef0 efd7bf00 f87594d5 efd7be20 00000001 01163880 efcc5000 00000003 00000000 Call Trace: [] ? intel_get_load_detect_pipe+0x14a/0x190 [i915] [] intel_tv_detect+0x195/0x1d0 [i915] [] ? status_show+0x0/0x50 [drm] [] status_show+0x1f/0x50 [drm] [] dev_attr_show+0x29/0x50 [] sysfs_read_file+0x7e/0x130 [] vfs_read+0x9f/0x160 [] ? sysfs_read_file+0x0/0x130 [] sys_read+0x42/0x70 [] syscall_call+0x7/0xb [] ? 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 b9 EIP: [] intel_tv_detect_type.clone.6+0xa7/0x4a0 [i915] SS:ESP 0068:efd7bdc8 CR2: 00000000000001e4 ---[ end trace d7049e9a88ef246d ]---