[drm:i830_flush_ioctl] *ERROR* i830_flush_ioctl called without lock held
BUG: unable to handle kernel NULL pointer dereference at virtual address 00000008
 printing eip:
c898908f
*pde = 00000000
Oops: 0000 [#1]
Modules linked in: usbmouse usbkbd i830 drm usbhid prism54 islsm_pci islsm_device islsm wlan snd_intel8x0 crc_ccitt snd_ac97_codec snd_ac97_bus ehci_hcd intel_agp uhci_hcd usbcore evdev
CPU:    0
EIP:    0060:[<c898908f>]    Not tainted VLI
EFLAGS: 00210246   (2.6.17.14-05 #8)
EIP is at i830_getage+0xf/0x30 [i830]
eax: 00000000   ebx: c8989080   ecx: 80146444   edx: c3ed78e0
esi: 00000044   edi: c898e360   ebp: c550f420   esp: c158df34
ds: 007b   es: 007b   ss: 0068
Process mythtv-setup (pid: 2663, threadinfo=c158c000 task=c702ba10)
Stack: c889b20c b5edf874 c158df38 00000000 00200006 c773a8e0 c702ba10 c7e3e0b0
       80146444 c3ed78e0 c783c550 c76bcc24 c889b160 c3ed78e0 00000005 c158c000
       c0162859 b5edf874 c3ed78e0 00000005 c01628bc 42004240 000f422b c3ed78e0
Call Trace:
 <c889b20c> drm_ioctl+0xac/0x210 [drm]  <c889b160> drm_ioctl+0x0/0x210 [drm]
 <c0162859> do_ioctl+0x69/0x70  <c01628bc> vfs_ioctl+0x5c/0x270
 <c0162b0d> sys_ioctl+0x3d/0x70  <c0102d4f> sysenter_past_esp+0x54/0x75
Code: d0 89 41 1c eb d5 8d b6 00 00 00 00 c3 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 90 8b 42 74 8b 40 24 8b 40 04 8b 80 dc 02 00 00 <8b> 50 08 8b 40 2c 8b 40 14 89 82 88 0b 00 00 31 c0 c3 eb 0d 90
EIP: [<c898908f>] i830_getage+0xf/0x30 [i830] SS:ESP 0068:c158df34