BUG: unable to handle kernel NULL pointer dereference at 00000000
IP: [<00000000>] 0x0
*pde = 02d80067 *pte = 00000000 
Oops: 0000 [#1] SMP 
last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in: binfmt_misc appletalk ppdev bridge stp bnep video output input_polldev lp parport snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore psmouse nvidia(P) i2c_nforce2 snd_page_alloc dcdbas pcspkr serio_raw k8temp agpgart joydev usbhid b44 ssb mii fbcon tileblit font bitblit softcursor

Pid: 11160, comm: TmForever.exe Tainted: P           (2.6.28-13-generic #44-Ubuntu) Dimension E521
EIP: 0060:[<00000000>] EFLAGS: 00010296 CPU: 0
EIP is at 0x0
EAX: ed34bdc4 EBX: f5586000 ECX: f5586000 EDX: 1148ce2d
ESI: ed34bfa4 EDI: 00000000 EBP: ed34bdc0 ESP: e7b85dac
 DS: 007b ES: 007b FS: 00d8 GS: 003b SS: 0068
Process TmForever.exe (pid: 11160, ti=e7b84000 task=df2c1920 task.ti=e7b84000)
Stack:
 f894d8b3 f5586000 ed34bdc4 f5586000 00001388 f6383000 0000001f 00000000
 00000000 000c2700 f6383000 f55f0000 f882dff1 f6383000 ed34bfa4 f5586000
 00004e20 f6383000 f55f0000 0000015a 00000000 00000003 00000001 00000000
Call Trace:
 [<f894d8b3>] ? _nv010132rm+0xe6/0x1a0 [nvidia]
 [<f882dff1>] ? _nv011086rm+0x264/0x5a5 [nvidia]
 [<f881aabd>] ? _nv011084rm+0xbd1/0xf94 [nvidia]
 [<f892deb7>] ? _nv003205rm+0x10f/0x127 [nvidia]
 [<f892a4d6>] ? _nv003244rm+0xac/0x57d [nvidia]
 [<f892981a>] ? _nv003245rm+0x117/0x2c9 [nvidia]
 [<f89257c1>] ? _nv006023rm+0x4e/0x75 [nvidia]
 [<f87c6b59>] ? _nv003189rm+0x195/0x601 [nvidia]
 [<c0104629>] ? irq_entries_start+0x459/0x1000
 [<f89978f8>] ? rm_ioctl+0x3e/0x6d [nvidia]
 [<c0104629>] ? irq_entries_start+0x459/0x1000
 [<f8a3f46e>] ? nv_kern_ioctl+0x18e/0x430 [nvidia]
 [<c01d389d>] ? mntput_no_expire+0x1d/0x120
 [<f8a3f75b>] ? nv_kern_unlocked_ioctl+0x1b/0x30 [nvidia]