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Subject[2.4.18] another oops in smbfs
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I had an oops in smbfs in 2.4.18. (there was another message from Cyrille 
Chepelov, but with a different call trace)

This oops did not appear with 2.4.17.

[borni@cubus borni]$ ksymoops -m /usr/src/linux-2.4.17/System.map oops
ksymoops 2.4.1 on i686 2.4.17. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.17/ (default)
-m /usr/src/linux-2.4.17/System.map (specified)

Warning (compare_maps): mismatch on symbol scsi_CDs , sr_mod says e5bf0050,
/lib/modules/2.4.17/kernel/drivers/scsi/sr_mod.o says e5befda0. Ignoring
/lib/modules/2.4.17/kernel/drivers/scsi/sr_mod.o entry
Warning (compare_maps): mismatch on symbol proc_scsi , scsi_mod says
e09376d0, /lib/modules/2.4.17/kernel/drivers/scsi/scsi_mod.o says e0937104.
Ignoring /lib/modules/2.4.17/kernel/drivers/scsi/scsi_mod.o entry
Warning (compare_maps): mismatch on symbol scsi_devicelist , scsi_mod says
e09376fc, /lib/modules/2.4.17/kernel/drivers/scsi/scsi_mod.o says e0937130.
Ignoring /lib/modules/2.4.17/kernel/drivers/scsi/scsi_mod.o entry
Warning (compare_maps): mismatch on symbol scsi_hostlist , scsi_mod says
e09376f8, /lib/modules/2.4.17/kernel/drivers/scsi/scsi_mod.o says e093712c.
Ignoring /lib/modules/2.4.17/kernel/drivers/scsi/scsi_mod.o entry
Warning (compare_maps): mismatch on symbol scsi_hosts , scsi_mod says
e0937700, /lib/modules/2.4.17/kernel/drivers/scsi/scsi_mod.o says e0937134.
Ignoring /lib/modules/2.4.17/kernel/drivers/scsi/scsi_mod.o entry
Unable to handle kernel paging request at virtual address e0000000
c0166d50
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0166d50>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00013293
eax: 73f9af07 ebx: cbf21aa9 ecx: f823b3fd edx: e3febc9b
esi: e0000000 edi: d8cf3e2c ebp: d8cf3ec0 esp: d8cf3ddc
ds: 0018 es: 0018 ss: 0018
Process xmms (pid: 2048, stackpage=d8cf3000)
Stack: 00000000 00000000 00000000 d73e4cc0 d73e64c0 d8cf3dfa 0000000a 000073a1
e5c30e9a 00000000 0000301e deb19e40 00000000 00000000 d73a5000 00000023
00000000 00000000 00000001 00000025 d8cf3e90 00000001 e5c30f0a e5c3004a
Call Trace: [<c01655fb>] [<c013d570>] [<c016654e>] [<c013d570>] [<c013d1a8>]
[<c013d570>] [<c013d6ff>] [<c013d570>] [<c0106d0b>]
Code: 0f b6 06 49 46 89 c2 c1 e2 04 c1 e8 04 8d 14 1a 01 c2 8d 04

>>EIP; c0166d50 <smb_read_super+40/2e0> <=====
Trace; c01655fb <smb_fill_cache+23b/300>
Trace; c013d570 <wait_for_partner+10/30>
Trace; c016654e <smb_send_trans2+22e/250>
Trace; c013d570 <wait_for_partner+10/30>
Trace; c013d1a8 <do_poll+c8/100>
Trace; c013d570 <wait_for_partner+10/30>
Trace; c013d6ff <fifo_open+14f/230>
Trace; c013d570 <wait_for_partner+10/30>
Trace; c0106d0b <ret_from_sys_call+b/11>
Code; c0166d50 <smb_read_super+40/2e0>
00000000 <_EIP>:
Code; c0166d50 <smb_read_super+40/2e0> <=====
0: 0f b6 06 movzbl (%esi),%eax <=====
Code; c0166d53 <smb_read_super+43/2e0>
3: 49 dec %ecx
Code; c0166d54 <smb_read_super+44/2e0>
4: 46 inc %esi
Code; c0166d55 <smb_read_super+45/2e0>
5: 89 c2 mov %eax,%edx
Code; c0166d57 <smb_read_super+47/2e0>
7: c1 e2 04 shl $0x4,%edx
Code; c0166d5a <smb_read_super+4a/2e0>
a: c1 e8 04 shr $0x4,%eax
Code; c0166d5d <smb_read_super+4d/2e0>
d: 8d 14 1a lea (%edx,%ebx,1),%edx
Code; c0166d60 <smb_read_super+50/2e0>
10: 01 c2 add %eax,%edx
Code; c0166d62 <smb_read_super+52/2e0>
12: 8d 04 00 lea (%eax,%eax,1),%eax


5 warnings issued. Results may not be reliable.

greetings

Christian Bornträger
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