XFS-Oops

[Deti Fliegl <fliegl@cs.tum.edu>]

Running a 2.4.7-pre3-xfs CVS kernel after 27 days uptime an oops
happened:

Unable to handle kernel NULL pointer dereference at virtual address
00000152
c01cfbf2
*pde = 00000000
Oops: 0000
CPU:    0
EIP:    0010:[<c01cfbf2>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010246
eax: 00000000   ebx: ffffffe8   ecx: c1239688   edx: c03592c0
esi: c5f2264c   edi: c7a77800   ebp: 00000000   esp: c140bce4
ds: 0018   es: 0018   ss: 0018
Process mot (pid: 4237, stackpage=c140b000)
Stack: 000e090b 00000000 c7a77800 00000008 c01e677c c7a77800 00000000
04f7e2a6 
       00000000 00000000 c140bdc8 00000000 00000000 00000000 c140bdd8
c140bdc0 
       c140be94 00000000 00000000 c01d078b 00000000 c2587b40 c4647040
c7a77800 
Call Trace: [<c01e677c>] [<c01d078b>] [<c01bafa0>] [<c01dffba>]
[<c01e0490>] [<c01cf7c4>] [<c01e0647>] 
       [<c01e0490>] [<c01e0490>] [<c014530b>] [<c01e678c>] [<c01d0096>]
[<c01d00b3>] [<c01e51a2>] [<c01d01ef>] 
       [<c01e51a2>] [<c01d01ef>] [<c01f5198>] [<c01e0490>] [<c013daae>]
[<c013db39>] [<c013dd3c>] [<c0106eb3>] 
Code: 66 83 bb 6a 01 00 00 00 75 10 80 a3 50 01 00 00 f7 53 e8 37 

>>EIP; c01cfbf2 <xfs_inobt_increment+1b2/1e0>   <=====
Trace; c01e677c <xfs_trans_inode_alloc_buf+c/10>
Trace; c01d078b <xfs_inode_lock_init+4b/80>
Trace; c01bafa0 <xfs_dir_node_addname+0/b0>
Trace; c01dffba <xfs_unmountfs_writesb+7a/100>
Trace; c01e0490 <xfs_uuid_mount+20/130>
Trace; c01cf7c4 <xfs_inobt_updkey+24/50>
Trace; c01e0647 <xfs_mount_reset_sbqflags+17/90>
Trace; c01e0490 <xfs_uuid_mount+20/130>
Trace; c01e0490 <xfs_uuid_mount+20/130>
Trace; c014530b <prune_icache+fb/120>
Trace; c01e678c <xfs_trans_dquot_buf+c/10>
Trace; c01d0096 <xfs_iget_core+76/5b0>
Trace; c01d00b3 <xfs_iget_core+93/5b0>
Trace; c01e51a2 <xfs_trans_apply_sb_deltas+3b2/3c0>
Trace; c01d01ef <xfs_iget_core+1cf/5b0>
Trace; c01e51a2 <xfs_trans_apply_sb_deltas+3b2/3c0>
Trace; c01d01ef <xfs_iget_core+1cf/5b0>
Trace; c01f5198 <xfs_ioctl+d98/14b0>
Trace; c01e0490 <xfs_uuid_mount+20/130>
Trace; c013daae <vfs_rename_dir+6e/4f0>
Trace; c013db39 <vfs_rename_dir+f9/4f0>
Trace; c013dd3c <vfs_rename_dir+2fc/4f0>
Trace; c0106eb3 <system_call+b/38>
Code;  c01cfbf2 <xfs_inobt_increment+1b2/1e0>
00000000 <_EIP>:
Code;  c01cfbf2 <xfs_inobt_increment+1b2/1e0>   <=====
   0:   66 83 bb 6a 01 00 00      cmpw   $0x0,0x16a(%ebx)   <=====
Code;  c01cfbf9 <xfs_inobt_increment+1b9/1e0>
   7:   00 
Code;  c01cfbfa <xfs_inobt_increment+1ba/1e0>
   8:   75 10                     jne    1a <_EIP+0x1a> c01cfc0c
<xfs_inobt_increment+1cc/1e0>
Code;  c01cfbfc <xfs_inobt_increment+1bc/1e0>
   a:   80 a3 50 01 00 00 f7      andb   $0xf7,0x150(%ebx)
Code;  c01cfc03 <xfs_inobt_increment+1c3/1e0>
  11:   53                        push   %ebx
Code;  c01cfc04 <xfs_inobt_increment+1c4/1e0>
  12:   e8 37 00 00 00            call   4e <_EIP+0x4e> c01cfc40
<xfs_inobt_insert+20/110>


maybe this helps...