Hi,
I just got another oops with test10pre6. Decoded output follows.
Hopefully this helps to hunt a bug down.
-Udo
Unable to handle kernel NULL pointer dereference at virtual address 00000010
c0130512
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0130512>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010286
eax: 00000000 ebx: c13871cc ecx: c38788c0 edx: c13871f8
esi: c13871cc edi: 00000001 ebp: cd9fad5c esp: c9bc1ec8
ds: 0018 es: 0018 ss: 0018
Process bash (pid: 275, stackpage=c9bc1000)
Stack: 00000000 c13871cc 00000001 cd9fad5c 00000019 c02a0000 cdae7480
cadc9680
c9bc0000 00000019 00000000 ca742000 c02d7180 00000246 c01225d1
00000000
c13871cc 00000001 cd9fad5c 080e2902 c13871f4 01234567 c9bc0000
c13871f8
Call Trace: [<c01225d1>] [<c01505ff>] [<c014fee0>] [<c0122f2e>] [<c0123213>]
[<c0123150>] [<c012ddfe>]
[<c010a9d7>]
Code: 8b 48 10 89 4c 24 40 c7 44 24 34 00 00 00 00 8b 5b 18 f6 c3
>>EIP; c0130512 <block_read_full_page+12/270> <=====
Trace; c01225d1 <___wait_on_page+d1/e0>
Trace; c01505ff <ext2_readpage+f/20>
Trace; c014fee0 <ext2_get_block+0/510>
Trace; c0122f2e <do_generic_file_read+2fe/520>
Trace; c0123213 <generic_file_read+63/80>
Trace; c0123150 <file_read_actor+0/60>
Trace; c012ddfe <sys_read+8e/d0>
Trace; c010a9d7 <system_call+33/38>
Code; c0130512 <block_read_full_page+12/270>
00000000 <_EIP>:
Code; c0130512 <block_read_full_page+12/270> <=====
0: 8b 48 10 movl 0x10(%eax),%ecx <=====
Code; c0130515 <block_read_full_page+15/270>
3: 89 4c 24 40 movl %ecx,0x40(%esp,1)
Code; c0130519 <block_read_full_page+19/270>
7: c7 44 24 34 00 00 00 movl $0x0,0x34(%esp,1)
Code; c0130520 <block_read_full_page+20/270>
e: 00
Code; c0130521 <block_read_full_page+21/270>
f: 8b 5b 18 movl 0x18(%ebx),%ebx
Code; c0130524 <block_read_full_page+24/270>
12: f6 c3 00 testb $0x0,%bl