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SubjectOops mounting floppy on 2.1.132
While trying to mount a floppy with no filesystem on it, i get this
repeatable oops:

VFS: Disk change detected on device 02:00
Unable to handle kernel paging request at virtual address c4500ae4
current->tss.cr3 = 03c25000, %cr3 = 03c25000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0141266>]
EFLAGS: 00010282
eax: f357fc06 ebx: 00000000 ecx: 00000200 edx: c3f06400
esi: c4500ae0 edi: c3cf6be0 ebp: c3c53c00 esp: c3c27dac
ds: 0018 es: 0018 ss: 0018
Process mount (pid: 34, process nr: 15, stackpage=c3c27000)
Stack: c01f7b6c 00000200 00000000 00000000 03070000
c0139a77 00000307 ff000086
c3cf6be0 00000001 c4500ae0 00000000 c0124069 00000307
00000000 00000100
c3f06400 00000000 00000200 00000000 c0124700 00000307
00092009 00000400
Call Trace: [<c0139a77>] [<c0124069>] [<c0124700>]
[<c0124e23>] [<c013a489>] [<c012f9e7>] [<c012eea5>]
[<c013af0b>] [<c01437bc>] [<c0150932>] [<c0126cfa>]
[<c0127165>] [<c01d52e7>] [<c0127658>] [<c01d52e7>]
[<c0108804>]
Code: 8b 4e 04 81 f9 72 72 41 61 74 13 51 68 10 33 1d c0 e8 64
13

Using `/System.map' to map addresses to symbols.

>>EIP: c0141266 <fat_read_super+27e/82c>
Trace: c0139a77 <inode_getblk+47/1c8>
Trace: c0124069 <get_hash_table+1d/60>
Trace: c0124700 <refill_freelist+418/450>
Trace: c0124e23 <__brelse+23/44>
Trace: c013a489 <ext2_read_inode+2d5/3d4>
Trace: c012f9e7 <get_new_inode+b3/11c>
Trace: c012eea5 <d_add+4d/54>
Trace: c013af0b <ext2_lookup+6b/78>
Trace: c01437bc <msdos_read_super+20/40>
Trace: c0150932 <UMSDOS_read_super+1a/e0>
Trace: c0126cfa <read_super+8a/b0>
Trace: c0127165 <do_mount+a1/10c>
Trace: c01d52e7 <tvecs+635f/6433>
Trace: c0127658 <sys_mount+2a8/30c>
Trace: c01d52e7 <tvecs+635f/6433>
Trace: c0108804 <system_call+34/40>
Code: c0141266 <fat_read_super+27e/82c>
Code: c0141266 <fat_read_super+27e/82c> 8b 4e 04 movl
0x4(%esi),%ecx
Code: c0141269 <fat_read_super+281/82c> 81 f9 72 72 41 cmpl
$0x61417272,%ecx
Code: c014126f <fat_read_super+287/82c> 74 13 je
c0141284 <fat_read_super+29c/82c>
Code: c0141271 <fat_read_super+289/82c> 51 pushl
%ecx
Code: c0141272 <fat_read_super+28a/82c> 68 10 33 1d c0
pushl $0xc01d3310
Code: c0141277 <fat_read_super+28f/82c> e8 64 13 00 90 call
9000137a <_EIP+0x9000137a>
Code: c014127c <fat_read_super+294/82c> 90 nop
Code: c014127d <fat_read_super+295/82c> 90 nop


christophe

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