Hello.
I've got a Dell Precision 420 (dual P3/800 w/1gb RDRAM).
I'm consistently getting an oops when accessing any smbfs mount whether
running 'ls' inside the smbfs mount or hitting TAB for filename
completion of a directory in an smbfs mount. I have another machine
(dual P2/300 w/320MB memory) that does not have this problem. The P2
has an eepro100 ethernet card whereas the Dell has the built-in 3c920
(3c905c emulation).
Below is the ksymoops output. The oops screen I manually typed onto my
other computer because the /var/log/messages file gets corrupted when
this occurs and I don't know how to save the oops screen on the computer
itself. SAR-S, SAR-U say they're doing to do their action but do not
actually sync or remount the disks. CAD does not reboot the computer.
SAR-B does reboot the machine though.
Unable to handle kernel NULL pointer dereference at virtual address 00000000
c012b2fb
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c012b2fb>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010202
eax: 00000001 ebx: 00000000 ecx: c02ea430 edx: 0003ff9e
esi: c2093878 edi: 00000000 ebp: f7e00004 esp: f73b3e18
ds: 0018 es: 0018 ss: 0018
Process ls (pid: 862, stackpage=f73b3000)
Stack: c02ea430 c02ea690 f73b3e4c 00000000 c2093878 f7e00004 f73b3e4c
00000001
c012e829 c2093878 00000000 00000001 f7300004 c2093878 c019344a
f7918e9c
c0000000 00000012 00000000 fe1ec014 0000001a 00000012 c019218b
00000000
Call Trace: [<c012e829>] [<c019344a>] [<c019218b>] [<f8957a20>]
[<f8959188>] [<c018fde6>] [<f8959048>]
[<f895903c>] [<c0191364>] [<c0192259>] [<c0191569>] [<c014e338>]
[<c014e140>] [<c0109113>]
Code: 8b 07 ff 47 18 89 70 04 89 06 89 7e 04 89 37 89 7e 08 8b 55
>>EIP; c012b2fb <add_to_page_cache_unique+bb/120> <=====
Trace; c012e829 <grab_cache_page+79/a0>
Trace; c019344a <smb_trans2_request+18a/1f0>
Trace; c019218b <smb_add_to_cache+fb/180>
Trace; f8957a20 <__module_using_checksums+3b52/???
Trace; f8959188 <__module_using_checksums+52ba/???
Trace; c018fde6 <smb_proc_readdir_long+456/4d0>
Trace; f8959048 <__module_using_checksums+517a/???
Trace; f895903c <__module_using_checksums+516e/???
Trace; c0191364 <smb_proc_readdir+24/40>
Trace; c0192259 <smb_refill_dircache+29/70>
Trace; c0191569 <smb_readdir+d9/190>
Trace; c014e338 <sys_getdents64+b8/170>
Trace; c014e140 <filldir64+0/140>
Trace; c0109113 <system_call+33/38>
Code; c012b2fb <add_to_page_cache_unique+bb/120>
00000000 <_EIP>:
Code; c012b2fb <add_to_page_cache_unique+bb/120> <=====
0: 8b 07 mov (%edi),%eax <=====
Code; c012b2fd <add_to_page_cache_unique+bd/120>
2: ff 47 18 incl 0x18(%edi)
Code; c012b300 <add_to_page_cache_unique+c0/120>
5: 89 70 04 mov %esi,0x4(%eax)
Code; c012b303 <add_to_page_cache_unique+c3/120>
8: 89 06 mov %eax,(%esi)
Code; c012b305 <add_to_page_cache_unique+c5/120>
a: 89 7e 04 mov %edi,0x4(%esi)
Code; c012b308 <add_to_page_cache_unique+c8/120>
d: 89 37 mov %esi,(%edi)
Code; c012b30a <add_to_page_cache_unique+ca/120>
f: 89 7e 08 mov %edi,0x8(%esi)
Code; c012b30d <add_to_page_cache_unique+cd/120>
12: 8b 55 00 mov 0x0(%ebp),%edx
Ethernet is compiled into the kernel as is smbfs (not as modules). I've
compiled this kernel with 4GB bigmem support (otherwise I only get 8xxMB
total).
If anyone needs more please let me know.
--Scott
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