Pad kernelu - co se stalo

[Jan Houstek]

Timhle me dnes po ranu uvital jeden server. Problem nastal pravdepodobne v
prubehu zalohovani pres xfs_dump. Predtim stroj bezel nekolik tydnu bez
problemu. Nevite co se stalo?

-- Honza Houstek

Unable to handle kernel NULL pointer dereference at virtual address 00000002
 printing eip:
c01fa210
*pde = 00000000
Oops: 0002
CPU:    0
EIP:    0010:[xfs_inobt_lookup+608/720]    Not tainted
EFLAGS: 00010246
eax: 0000007c   ebx: c46ce000   ecx: 00000003   edx: 00000002
esi: ffffffff   edi: 00000003   ebp: d4e360c0   esp: d69cfc20
ds: 0018   es: 0018   ss: 0018
Process nmbd (pid: 6498, stackpage=d69cf000)
Stack: 00000104 00000000 d69cfce4 d69cfd10 004e3b18 00000000 00000003 00000000
       ffffffff c46ce010 00000000 00000007 c15b9c00 0000007c d4e360c0 d7b30540
       c01fb7e0 d4e360c0 00000001 d69cfce4 d69cfce4 00000104 00000007 c01f8a38
Call Trace:    [xfs_inobt_lookup_le+48/64] [xfs_dialloc+616/2112] \
	[xlog_write+292/1120] [xfs_mod_incore_sb_batch+57/128] \
	[xfs_trans_unlocked_item+34/64] [xfs_ialloc+86/912] \
	[xfs_dir_ialloc+114/624] [xfs_trans_reserve+141/352] \
	[xfs_create+840/1552] [linvfs_mknod+356/656] [linvfs_create+22/32] \
	[vfs_create+124/192] [open_namei+313/1280] [filp_open+59/96] \
	[sys_open+54/144] [system_call+51/56]

Code: 8d 47 ff 83 7c 24 34 01 0f 4d f8 8b 54 24 44 89 7a 40 85 ff