RE: Oops with 4GB memory setting in 2.4.0 stable

["Rainer Mager" <rmager@vgkk.com>]

[-- Attachment #1: Type: text/plain, Size: 398 bytes --]

> smb_rename suggests mv, but the process is ls ... er? What commands where
> you running on smbfs when it crashed?
>
> Could this be a symbol mismatch? Keith Owens suggested a less manual way
> to get module symbol output. Do you get the same results using that?

Here is a newly parsed oops, this time using the /var/log/ksymoops method
mentioned by Keith Owens. Does this look better?

--Rainer

[-- Attachment #2: oops.parsed --]
[-- Type: application/octet-stream, Size: 3771 bytes --]

ksymoops 0.7c on i686 2.4.0.  Options used
     -V (default)
     -k /var/log/ksymoops/20010118084505.ksyms (specified)
     -l /var/log/ksymoops/20010118084505.modules (specified)
     -o /lib/modules/2.4.0/ (default)
     -m /boot/System.map-2.4.0-bigmem (specified)

Warning (compare_maps): ksyms_base symbol highmem_start_page_R__ver_highmem_start_page not found in System.map.  Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol kmap_high_R__ver_kmap_high not found in System.map.  Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol kunmap_high_R__ver_kunmap_high not found in System.map.  Ignoring ksyms_base entry
Unable to handle kernel NULL pointer dereference at virtual address 00000000
c01239a4
*pde = 00000000
Oops: 0000
CPU:    0
EIP:    0010:[<c01239a4>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010202
eax: 00001001   ebx: 00000000   ecx: c0256730   edx: 0003f435
esi: c20cde24   edi: 00000000   ebp: 00000001   esp: ee5e3e30
ds: 0018   es: 0018   ss: 0018
Process ls (pid: 449, stackpage=ee5e3000)
Stack: c20cde24 ee5e3e64 f7e00004 00000001 c01262f5 c20cde24 00000000 00000001
       f7e00004 c1000010 fe2f0014 00000018 fe2f0000 c20cde24 f88982f8 00000000
       00000001 00000070 ee5e3ee8 f889e180 ee61a000 ee6ede9c 00000010 f8896e69
Call Trace: [<c01262f5>] [<fe2f0014>] [<fe2f0000>] [<f88982f8>] [<f889e180>] [<f8896e69>] [<f8896eaa>]
       [<fe2f0000>] [<fe2f0000>] [<f889e048>] [<f889e03c>] [<f8896f40>] [<fe2f0000>] [<f88983b0>] [<fe2f0000>]
       [<fe2f0000>] [<f889798b>] [<fe2f0000>] [<c0140c10>] [<c0140e7c>] [<c0140f9e>] [<c0140e7c>] [<c0108f4b>]
Code: 8b 07 ff 47 18 89 70 04 89 06 89 7e 04 89 37 89 7e 08 8b 44

>>EIP; c01239a4 <add_to_page_cache_unique+c0/f4>   <=====
Trace; c01262f5 <grab_cache_page+7d/a4>
Trace; fe2f0014 <END_OF_CODE+5a531b5/????>
Trace; fe2f0000 <END_OF_CODE+5a531a1/????>
Trace; f88982f8 <[smbfs]smb_add_to_cache+dc/104>
Trace; f889e180 <.data.end+1321/????>
Trace; f8896e69 <[smbfs]smb_proc_readdir_long+34d/400>
Trace; f8896eaa <[smbfs]smb_proc_readdir_long+38e/400>
Trace; fe2f0000 <END_OF_CODE+5a531a1/????>
Trace; fe2f0000 <END_OF_CODE+5a531a1/????>
Trace; f889e048 <.data.end+11e9/????>
Trace; f889e03c <.data.end+11dd/????>
Trace; f8896f40 <[smbfs]smb_proc_readdir+24/34>
Trace; fe2f0000 <END_OF_CODE+5a531a1/????>
Trace; f88983b0 <[smbfs]smb_refill_dircache+24/70>
Trace; fe2f0000 <END_OF_CODE+5a531a1/????>
Trace; fe2f0000 <END_OF_CODE+5a531a1/????>
Trace; f889798b <[smbfs]smb_readdir+db/188>
Trace; fe2f0000 <END_OF_CODE+5a531a1/????>
Trace; c0140c10 <vfs_readdir+90/ec>
Trace; c0140e7c <filldir+0/d8>
Trace; c0140f9e <sys_getdents+4a/98>
Trace; c0140e7c <filldir+0/d8>
Trace; c0108f4b <system_call+33/38>
Code;  c01239a4 <add_to_page_cache_unique+c0/f4>
00000000 <_EIP>:
Code;  c01239a4 <add_to_page_cache_unique+c0/f4>   <=====
   0:   8b 07                     mov    (%edi),%eax   <=====
Code;  c01239a6 <add_to_page_cache_unique+c2/f4>
   2:   ff 47 18                  incl   0x18(%edi)
Code;  c01239a9 <add_to_page_cache_unique+c5/f4>
   5:   89 70 04                  mov    %esi,0x4(%eax)
Code;  c01239ac <add_to_page_cache_unique+c8/f4>
   8:   89 06                     mov    %eax,(%esi)
Code;  c01239ae <add_to_page_cache_unique+ca/f4>
   a:   89 7e 04                  mov    %edi,0x4(%esi)
Code;  c01239b1 <add_to_page_cache_unique+cd/f4>
   d:   89 37                     mov    %esi,(%edi)
Code;  c01239b3 <add_to_page_cache_unique+cf/f4>
   f:   89 7e 08                  mov    %edi,0x8(%esi)
Code;  c01239b6 <add_to_page_cache_unique+d2/f4>
  12:   8b 44 00 00               mov    0x0(%eax,%eax,1),%eax


3 warnings issued.  Results may not be reliable.

[-- Attachment #3: oops.txt --]
[-- Type: text/plain, Size: 1047 bytes --]

Unable to handle kernel NULL pointer dereference at virtual address 00000000
 printing eip:
c01239a4
*pde = 00000000
Oops: 0000
CPU:    0
EIP:    0010:[<c01239a4>]
EFLAGS: 00010202
eax: 00001001   ebx: 00000000   ecx: c0256730   edx: 0003f435
esi: c20cde24   edi: 00000000   ebp: 00000001   esp: ee5e3e30
ds: 0018   es: 0018   ss: 0018
Process ls (pid: 449, stackpage=ee5e3000)
Stack: c20cde24 ee5e3e64 f7e00004 00000001 c01262f5 c20cde24 00000000 00000001
       f7e00004 c1000010 fe2f0014 00000018 fe2f0000 c20cde24 f88982f8 00000000
       00000001 00000070 ee5e3ee8 f889e180 ee61a000 ee6ede9c 00000010 f8896e69
Call Trace: [<c01262f5>] [<fe2f0014>] [<fe2f0000>] [<f88982f8>] [<f889e180>] [<f8896e69>] [<f8896eaa>]
       [<fe2f0000>] [<fe2f0000>] [<f889e048>] [<f889e03c>] [<f8896f40>] [<fe2f0000>] [<f88983b0>] [<fe2f0000>]
       [<fe2f0000>] [<f889798b>] [<fe2f0000>] [<c0140c10>] [<c0140e7c>] [<c0140f9e>] [<c0140e7c>] [<c0108f4b>]

Code: 8b 07 ff 47 18 89 70 04 89 06 89 7e 04 89 37 89 7e 08 8b 44
Segmentation fault