test9 oops (in block_read_full_page)

test9 oops (in block_read_full_page)

[Nick Piggin]

[-- Attachment #1: Type: text/plain, Size: 166 bytes --]

I apologise if this oops has already been fixed: it has happened twice but I
can't find the exact way to trigger it, I just want to make sure it is
reported ;)

Nick

[-- Attachment #2: oops --]
[-- Type: application/octet-stream, Size: 2257 bytes --]

Unable to handle kernel paging request at virtual address f8e400cc
c013020a
*pde = 00000000
Oops: 0000
CPU:    0
EIP:    0010:[<c013020a>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010202
eax: f8e400c0   ebx: c3fdb3d0   ecx: c1a7c81f   edx: c1033c48
esi: c1033c48   edi: c1a7c8bc   ebp: 00000000   esp: c1b91ee4
ds: 0018   es: 0018   ss: 0018
Process bash (pid: 383, stackpage=c1b91000)
Stack: c3fdb3d0 c1033c48 c1a7c8bc 00000000 c02677c0 c012a44a 00000000 c0267a58
       c1a7c8bc c1a7c81f c012a5b8 c0267a4c 00000000 00000001 00000001 00000000
       00000000 c1a7c8bc c014e33f c1033c48 c014dca0 c0123275 c1531cc0 c1033c48
Call Trace: [<c012a44a>] [<c012a5b8>] [<c014e33f>] [<c014dca0>] [<c0123275>] [<c012355b>] [<c01234a0>]
       [<c012db56>] [<c010a4d3>]
Code: 8b 68 0c 8b 44 24 4c 83 78 38 00 75 0b 55 51 50 e8 b1 fa ff

>>EIP; c013020a <block_read_full_page+4a/1f0>   <=====
Trace; c012a44a <__alloc_pages_limit+8a/b0>
Trace; c012a5b8 <__alloc_pages+148/300>
Trace; c014e33f <ext2_readpage+f/20>
Trace; c014dca0 <ext2_get_block+0/490>
Trace; c0123275 <do_generic_file_read+2a5/4d0>
Trace; c012355b <generic_file_read+5b/80>
Trace; c01234a0 <file_read_actor+0/60>
Trace; c012db56 <sys_read+96/d0>
Trace; c010a4d3 <system_call+33/38>
Code;  c013020a <block_read_full_page+4a/1f0>
00000000 <_EIP>:
Code;  c013020a <block_read_full_page+4a/1f0>   <=====
   0:   8b 68 0c                  mov    0xc(%eax),%ebp   <=====
Code;  c013020d <block_read_full_page+4d/1f0>
   3:   8b 44 24 4c               mov    0x4c(%esp,1),%eax
Code;  c0130211 <block_read_full_page+51/1f0>
   7:   83 78 38 00               cmpl   $0x0,0x38(%eax)
Code;  c0130215 <block_read_full_page+55/1f0>
   b:   75 0b                     jne    18 <_EIP+0x18> c0130222 <block_read_full_page+62/1f0>
Code;  c0130217 <block_read_full_page+57/1f0>
   d:   55                        push   %ebp
Code;  c0130218 <block_read_full_page+58/1f0>
   e:   51                        push   %ecx
Code;  c0130219 <block_read_full_page+59/1f0>
   f:   50                        push   %eax
Code;  c013021a <block_read_full_page+5a/1f0>
  10:   e8 b1 fa ff 00            call   fffac6 <_EIP+0xfffac6> c112fcd0 <_end+e539dc/4550d0c>