BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000
 printing eip:
c0132944
*pde = 00000000
Oops: 0000 [#1]
Modules linked in: ext3 jbd radeon drm ipv6 nbd fuse joydev dm_crypt dm_mod sd_mod tsdev aic
7xxx scsi_transport_spi scsi_mod serio_raw parport_pc parport psmouse floppy rtc snd_usb_aud
io snd_pcm snd_timer snd_page_alloc snd_usb_lib i2c_i801 snd_rawmidi usbhid snd_seq_device i
2c_core snd_hwdep snd pcspkr soundcore intel_agp agpgart shpchp pci_hotplug evdev nfs lockd
nfs_acl sunrpc 8139cp 8139too mii ehci_hcd uhci_hcd usbcore thermal processor fan
CPU:    0
EIP:    0060:[<c0132944>]    Not tainted VLI
EFLAGS: 00010086   (2.6.18-5-486 #1)
EIP is at page_waitqueue+0x0/0x29
eax: 00000000   ebx: ebddfd7c   ecx: 00000000   edx: ebddfd90
esi: 00000008   edi: ebddfd98   ebp: e6c8e63c   esp: ebddfd78
ds: 007b   es: 007b   ss: 0068
Process dpkg (pid: 5781, ti=ebdde000 task=eeedbab0 task.ti=ebdde000)
Stack: c0132e92 00000000 00000000 00000000 eeedbab0 c0122cec ebddfd90 ebddfd90
       00000000 e6c8e6dc c0132f3d 081cbf18 00000008 00000000 c01340a5 00000001
       ebddfefc 00000001 00001000 dfe459c0 e6c8e6dc f8c128e0 e6c8e63c 00000000
Call Trace:
 [<c0132e92>] __lock_page+0x43/0x57
 [<c0122cec>] wake_bit_function+0x0/0x3c
 [<c0132f3d>] find_lock_page+0x3b/0x5d
 [<c01340a5>] generic_file_buffered_write+0x155/0x5a6
 [<c01183ed>] current_fs_time+0x40/0x4b
 [<c0134864>] __generic_file_aio_write_nolock+0x36e/0x3c2
 [<f8ace51f>] journal_stop+0x181/0x18a [jbd]
 [<c013490f>] generic_file_aio_write+0x57/0xab
 [<f8c03bc9>] ext3_file_write+0x19/0x84 [ext3]
 [<c0148914>] do_sync_write+0xb6/0xf1
 [<c0122cbf>] autoremove_wake_function+0x0/0x2d
 [<c014885e>] do_sync_write+0x0/0xf1
 [<c01491ba>] vfs_write+0xa4/0x147
 [<c01496be>] sys_write+0x3e/0x65
 [<c0102a47>] syscall_call+0x7/0xb
Code: 00 00 56 e8 a8 a0 07 00 c1 e5 07 8b 95 a8 4a 30 c0 89 f0 e8 13 ff 03 00 89 43 1c 83 c4 10 81 c4 84 00 00 00 5b 5e 5f 5d c3 90 90 <8b> 10 c1 ea 1e 8b 14 95 94 ca 30 c0 69 c0 01 00 37 9e b9 20 00
EIP: [<c0132944>] page_waitqueue+0x0/0x29 SS:ESP 0068:ebddfd78
 <1>BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000
 printing eip:
c0132944
*pde = 00000000
Oops: 0000 [#2]
Modules linked in: ext3 jbd radeon drm ipv6 nbd fuse joydev dm_crypt dm_mod sd_mod tsdev aic7xxx scsi_transport_spi scsi_mod serio_raw parport_pc parport psmouse floppy rtc snd_usb_audio snd_pcm snd_timer snd_page_alloc snd_usb_lib i2c_i801 snd_rawmidi usbhid snd_seq_device i2c_core snd_hwdep snd pcspkr soundcore intel_agp agpgart shpchp pci_hotplug evdev nfs lockd nfs_acl sunrpc 8139cp 8139too mii ehci_hcd uhci_hcd usbcore thermal processor fan
CPU:    0
EIP:    0060:[<c0132944>]    Not tainted VLI
EFLAGS: 00010086   (2.6.18-5-486 #1)
EIP is at page_waitqueue+0x0/0x29
eax: 00000000   ebx: ebddbd7c   ecx: 00000000   edx: ebddbd90
esi: 00000024   edi: ebddbd98   ebp: c152e380   esp: ebddbd78
ds: 007b   es: 007b   ss: 0068
Process debootstrap (pid: 5777, ti=ebdda000 task=eeedb030 task.ti=ebdda000)
Stack: c0132e92 00000000 00000000 00000000 eeedb030 c0122cec ebddbd90 ebddbd90
       00000000 f34f48ac c0132f3d 080f5953 00000024 00000000 c01340a5 00000001
       ebddbefc 00000001 00001000 f78692c0 f34f48ac f8c128e0 f34f480c 0000014b
Call Trace:
 [<c0132e92>] __lock_page+0x43/0x57
 [<c0122cec>] wake_bit_function+0x0/0x3c
 [<c0132f3d>] find_lock_page+0x3b/0x5d
 [<c01340a5>] generic_file_buffered_write+0x155/0x5a6
 [<c01530bc>] do_lookup+0x4f/0x135
 [<c015b26f>] dput+0x1a/0x10b
 [<c01183ed>] current_fs_time+0x40/0x4b
 [<c0134864>] __generic_file_aio_write_nolock+0x36e/0x3c2
 [<c013490f>] generic_file_aio_write+0x57/0xab
 [<f8c03bc9>] ext3_file_write+0x19/0x84 [ext3]
 [<c0148914>] do_sync_write+0xb6/0xf1
 [<c0122cbf>] autoremove_wake_function+0x0/0x2d
 [<c013c514>] __handle_mm_fault+0x341/0x620
 [<c014885e>] do_sync_write+0x0/0xf1
 [<c01491ba>] vfs_write+0xa4/0x147
 [<c01496be>] sys_write+0x3e/0x65
 [<c01029dd>] sysenter_past_esp+0x56/0x79
Code: 00 00 56 e8 a8 a0 07 00 c1 e5 07 8b 95 a8 4a 30 c0 89 f0 e8 13 ff 03 00 89 43 1c 83 c4 10 81 c4 84 00 00 00 5b 5e 5f 5d c3 90 90 <8b> 10 c1 ea 1e 8b 14 95 94 ca 30 c0 69 c0 01 00 37 9e b9 20 00
EIP: [<c0132944>] page_waitqueue+0x0/0x29 SS:ESP 0068:ebddbd78