ide-mod removal oops - 2.3.3-ac2

Greg Zornetzer (gaz@andrew.cmu.edu)
Wed, 19 May 1999 17:05:05 -0400 (EDT)

When I remove the ide-module in 2.3.3-ac2 (I use it for my cdrom), I get
the following oops. I'll check if 2.3.3 has the same problem:

Options used: -V (default)
-o /lib/modules/2.3.3-ac2/ (default)
-k ../../../ksyms-2 (specified)
-l /proc/modules (default)
-m /usr/src/linux/System.map (default)
-c 1 (default)
-a - same as ksymoops (default)

Unable to handle kernel NULL pointer dereference at virtual address
00000004
current->tss.cr3 = 03f87000, %cr3 = 03f87000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c48201fb>]
EFLAGS: 00010212
eax: 00000000 ebx: 00000000 ecx: c4826a60 edx: 00000802
esi: c4826b20 edi: 00000300 ebp: 00000001 esp: c2f27f6c
ds: 0018 es: 0018 ss: 0018
Process rmmod (pid: 476, process nr: 8, stackpage=c2f27000)
Stack: 00000000 bffffd54 00000040 00000297 00000000 c4826a60 c48223e6
00000000
c481e000 c481e000 c0116104 c481e000 00000000 c2f27fbc c0115754
c481e000
00000000 c2f26000 0804aad0 00000000 c2b49000 c01087a4 0804a6c8
00000000
Call Trace: [<c4826a60>] [<c48223e6>] [<c481e000>] [<c481e000>]
[<c0116104>] [<c481e000>] [<c0115754>]
[<c481e000>] [<c01087a4>]
Code: 83 7c d8 04 00 7e 3c 8b 4c 24 1c 31 c0 8b 54 24 10 8a 81 74
Copying default arch from ksymoops, bfd_arch=8 bfd_mach=0

>>EIP; c48201fb <ide_unregister+d0/393>
Trace; c4826a60 <hwif_entries+80/3670>
Trace; c48223e6 <cleanup_module+13/4d>
Trace; c481e000 <_end+461fffc/462004c>
Trace; c481e000 <_end+461fffc/462004c>
Trace; c0116104 <free_module+20/a8>
Trace; c481e000 <_end+461fffc/462004c>
Trace; c0115754 <sys_delete_module+136/1de>
Trace; c481e000 <_end+461fffc/462004c>
Trace; c01087a4 <system_call+34/40>
Code; c48201fb <ide_unregister+d0/393> 00000000 <_EIP>:
Code; c48201fb <ide_unregister+d0/393> 0: 83 7c d8 04 00
cmpl $0x0,0x4(%eax,%ebx,8)
Code; c4820200 <ide_unregister+d5/393> 5: 7e 3c
jle 43 <_EIP+0x43> c482023e <ide_unregister+113/393>
Code; c4820202 <ide_unregister+d7/393> 7: 8b 4c 24 1c
movl 0x1c(%esp,1),%ecx
Code; c4820206 <ide_unregister+db/393> b: 31 c0
xorl %eax,%eax
Code; c4820208 <ide_unregister+dd/393> d: 8b 54 24 10
movl 0x10(%esp,1),%edx
Code; c482020c <ide_unregister+e1/393> 11: 8a 81 74 00 00
movb 0x74(%ecx),%al
Code; c4820211 <ide_unregister+e6/393> 16: 00

Greg Zornetzer - gaz+@andrew.cmu.edu
"Light shines brightest in the darkest night"
http://www.contrib.andrew.cmu.edu/~gaz

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