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RE: been a while before i could get back to this..

To: "'Nathan Scott'" <nathans@xxxxxxx>
Subject: RE: been a while before i could get back to this..
From: "LA Walsh" <law@xxxxxxxxx>
Date: Mon, 24 Feb 2003 17:58:27 -0800
Cc: "'Eric Sandeen'" <sandeen@xxxxxxx>, <linux-xfs@xxxxxxxxxxx>
Importance: Normal
In-reply-to: <20030224232731.GC6057@frodo>
Sender: linux-xfs-bounce@xxxxxxxxxxx
Redid the mess w/debug and an 'strace' dumping off to a synchronous NFS mounted
partition while "sync" was executing in 'forloop' on 2ndary console.

this time instead of doing dismount on my root FS, it only dumped me into KDB...
such a deal!...too bad I don't have serial console setup....did a continue
after it died though, and did get more output....

strace output is attached, ishtar (system under te^h^hstress) syslog says:

Feb 24 17:37:05 ishtar su: (to backup) root on /dev/tty1
Feb 24 17:37:05 ishtar kernel: XFS assertion failed:
INT_GET(agi->agi_unlinked[bucket_index], ARCH_CONVERT) != NULLAGINO, file:
xfs_inode.c, line: 1937
Feb 24 17:37:05 ishtar kernel: kernel BUG at debug.c:55!
Feb 24 17:37:05 ishtar kernel: invalid operand: 0000
Feb 24 17:37:05 ishtar kernel: sg
Feb 24 17:37:05 ishtar kernel: CPU:    0
Feb 24 17:37:05 ishtar kernel: EIP:    0010:[assfail+39/64]    Not tainted
Feb 24 17:37:05 ishtar kernel: EIP:    0010:[<c02547f7>]    Not tainted
Feb 24 17:37:05 ishtar kernel: EFLAGS: 00010282
Feb 24 17:37:05 ishtar kernel: EIP is at assfail+0x27/0x40 [kernel]
Feb 24 17:37:05 ishtar kernel: eax: 00000079   ebx: f7d48400   ecx: 00000000
edx: c0472c9c
Feb 24 17:37:05 ishtar kernel: esi: f7d83800   edi: 00000001   ebp: f6115c00
esp: f6115bf0
Feb 24 17:37:05 ishtar kernel: ds: 0018   es: 0018   ss: 0018
Feb 24 17:37:05 ishtar kernel: Process xfsdump (pid: 3687, stackpage=f6115000)
Feb 24 17:37:05 ishtar kernel: Stack: c03a5320 c039fb80 c0389101 00000791
f6115c64 c0216ee1 c039fb80 c0389101
Feb 24 17:37:05 ishtar kernel:        00000791 00000783 c0389101 00000064
00000000 f6115c54 000000f0 f6115c4c
Feb 24 17:37:05 ishtar kernel:        00000027 00000627 00000000 f7d48400
f7c721bc f6115c64 c0238c93 f7c721bc
Feb 24 17:37:05 ishtar kernel: Call Trace:
Feb 24 17:37:05 ishtar kernel:  [xfs_iunlink_remove+1649/1760]
xfs_iunlink_remove+0x671/0x6e0 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c0216ee1>] xfs_iunlink_remove+0x671/0x6e0
[kernel]
Feb 24 17:37:05 ishtar kernel:  [xfs_trans_add_item+115/544]
xfs_trans_add_item+0x73/0x220 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c0238c93>] xfs_trans_add_item+0x73/0x220
[kernel]
Feb 24 17:37:05 ishtar kernel:  [xfs_ifree+47/640] xfs_ifree+0x2f/0x280 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c0216f7f>] xfs_ifree+0x2f/0x280 [kernel]
Feb 24 17:37:05 ishtar kernel:  [xfs_inactive+869/1680] xfs_inactive+0x365/0x690
[kernel]
Feb 24 17:37:05 ishtar kernel:  [<c023f2f5>] xfs_inactive+0x365/0x690 [kernel]
Feb 24 17:37:05 ishtar kernel:  [vn_rele+310/320] vn_rele+0x136/0x140 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c02546f6>] vn_rele+0x136/0x140 [kernel]
Feb 24 17:37:05 ishtar kernel:  [linvfs_clear_inode+25/48]
linvfs_clear_inode+0x19/0x30 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c0253549>] linvfs_clear_inode+0x19/0x30
[kernel]
Feb 24 17:37:05 ishtar kernel:  [clear_inode+178/192] clear_inode+0xb2/0xc0
[kernel]
Feb 24 17:37:05 ishtar kernel:  [<c01653b2>] clear_inode+0xb2/0xc0 [kernel]
Feb 24 17:37:05 ishtar kernel:  [iput+236/704] iput+0xec/0x2c0 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c016607c>] iput+0xec/0x2c0 [kernel]
Feb 24 17:37:05 ishtar kernel:  [xfs_iput+51/64] xfs_iput+0x33/0x40 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c0211e43>] xfs_iput+0x33/0x40 [kernel]
Feb 24 17:37:05 ishtar kernel:  [xfs_bulkstat_one+833/1584]
xfs_bulkstat_one+0x341/0x630 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c021be31>] xfs_bulkstat_one+0x341/0x630
[kernel]
Feb 24 17:37:05 ishtar kernel:  [xfs_bulkstat_single+85/320]
xfs_bulkstat_single+0x55/0x140 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c021cd35>] xfs_bulkstat_single+0x55/0x140
[kernel]
Feb 24 17:37:05 ishtar kernel:  [show_regs+70/336] show_regs+0x46/0x150 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c0105866>] show_regs+0x46/0x150 [kernel]
Feb 24 17:37:05 ishtar kernel:  [xfs_ioc_bulkstat+450/528]
xfs_ioc_bulkstat+0x1c2/0x210 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c024d422>] xfs_ioc_bulkstat+0x1c2/0x210
[kernel]
Feb 24 17:37:05 ishtar kernel:  [xfs_ioctl+1593/2016] xfs_ioctl+0x639/0x7e0
[kernel]
Feb 24 17:37:05 ishtar kernel:  [<c024cfb9>] xfs_ioctl+0x639/0x7e0 [kernel]
Feb 24 17:37:05 ishtar kernel:  [show_regs+70/336] show_regs+0x46/0x150 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c0105866>] show_regs+0x46/0x150 [kernel]
Feb 24 17:37:05 ishtar kernel:  [wake_up_parent+37/64] wake_up_parent+0x25/0x40
[kernel]
Feb 24 17:37:05 ishtar kernel:  [<c012ab25>] wake_up_parent+0x25/0x40 [kernel]
Feb 24 17:37:05 ishtar kernel:  [do_notify_parent+138/192]
do_notify_parent+0x8a/0xc0 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c012abca>] do_notify_parent+0x8a/0xc0 [kernel]
Feb 24 17:37:05 ishtar kernel:  [linvfs_ioctl+73/224] linvfs_ioctl+0x49/0xe0
[kernel]
Feb 24 17:37:05 ishtar kernel:  [<c024b859>] linvfs_ioctl+0x49/0xe0 [kernel]
Feb 24 17:37:05 ishtar kernel:  [show_regs+70/336] show_regs+0x46/0x150 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c0105866>] show_regs+0x46/0x150 [kernel]
Feb 24 17:37:05 ishtar kernel:  [show_regs+70/336] show_regs+0x46/0x150 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c0105866>] show_regs+0x46/0x150 [kernel]
Feb 24 17:37:05 ishtar kernel:  [sys_ioctl+325/800] sys_ioctl+0x145/0x39c
[kernel]
Feb 24 17:37:05 ishtar kernel:  [<c015cc75>] sys_ioctl+0x145/0x39c [kernel]
Feb 24 17:37:05 ishtar kernel:  [show_regs+70/336] show_regs+0x46/0x150 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c0105866>] show_regs+0x46/0x150 [kernel]
Feb 24 17:37:05 ishtar kernel:  [syscall_trace+82/118] syscall_trace+0x52/0x76
[kernel]
Feb 24 17:37:05 ishtar kernel:  [<c010ca12>] syscall_trace+0x52/0x76 [kernel]
Feb 24 17:37:05 ishtar kernel:  [tracesys+31/35] tracesys+0x1f/0x23 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c0107c9b>] tracesys+0x1f/0x23 [kernel]
Feb 24 17:37:05 ishtar kernel:  [show_regs+70/336] show_regs+0x46/0x150 [kernel]
Feb 24 17:37:05 ishtar kernel:  [<c0105866>] show_regs+0x46/0x150 [kernel]
Feb 24 17:37:05 ishtar kernel:
Feb 24 17:37:05 ishtar kernel: Code: 0f 0b 37 00 0b ad 38 c0 89 ec 5d c3 90 8d
b6 00 00 00 00 8d

----
        I take it that this isn't normal, expected,  behavior in a modern file
system? :-)

Attachment: strace.log
Description: Binary data

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