unable to handle kernel paging request at address

Tue Sep 4 23:00:29 UTC 2007

Does an error such as this one a Kubuntu's bug or a kernel's bug? There is a
lot of very advanced and techinical discussion about this from google, but I
am unable to understand what to do exactly. Any clues? Thanks.

BUG: unable to handle kernel paging request at address 00e401c4
 printing eip:
c026a00a
*pde = 00000000
Oops: 0000 [#1]
Modules linked in: udf nls_cp437 isofs radeon ... etc etc etc etc ......
CPU:    0
EIP:    0060:[<c020a60d]    Not tainted VLI
EFLAGS:    00210246    (2.6.20.4 #1)
eax: dea43edo:    ebx: 00e40100  ccx: dea43ea0 edx:?12d0200
esi: dea43edo:    ebx: 00e43f60  cbp: dea43ea0 esp:dea43a70
ds: 007b es: 007b iss: 0068
Process amarokapp (pid: 6145, ti=dea42000 task=de9d9550 task.??=dea42000
Stack:    00000c94 d5e25f00 00000d94 e12d0200 00000964 ebf60000 c026e683
00000d94
    e12d0200 00000000 00000000 dea43ea0 00000000 00000000 dea43f60 00000001
    00000000 00000000 00000040 dea43edc c83727a0 dea43edc dec43f60 d5e25f00
Call Trace:
[Cc026e683>] __alloc_skb+0x43/0x100
[<c0159f65>] do_sync_write+0xd5/0x130
[<c0129650>] autoremove_wake_function|6x0/0x40
[<c02cfc6e>] unix_icctl+0x6e/0xb0
[<c015a711>] vfs_write+0x161/0x170
[<c015af21>] sys_write+0x41/0x70
[<c0102ce4>] sysenter_past_esp+0x5d/0x69
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