Hi,
I got it on aufs version 20081208 during backup by BackupExec remote agent.
(beremote)
kernel BUG at /usr/src/new_aufs/aufs/fs/aufs25/i_op.c:462!
invalid opcode: 0000 [#1] SMP
Modules linked in: af_packet aufs binfmt_misc dm_mod uhci_hcd ehci_hcd e1000e
sg sr_mod cdrom evdev usbcore unix
Pid: 8755, comm: beremote Not tainted (2.6.27.10-1 #1)
EIP: 0060:[<f8b21808>] EFLAGS: 00010286 CPU: 0
EIP is at au_wr_dir+0x608/0x660 [aufs]
EAX: ffffffe2 EBX: c284bed8 ECX: 00000003 EDX: db1515c0
ESI: c8f60b14 EDI: cdcb5d94 EBP: 00000003 ESP: c284be14
DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process beremote (pid: 8755, ti=c284a000 task=f704b1b0 task.ti=c284a000)
Stack: 00000000 4957b101 00000000 4957b101 00000000 001c473a 00000000 48cccd64
00000000 c8f60b14 00000000 c017b9ee 021c473a f7281e00 00000000 ecadad80
00000003 c760dadc 00000002 d6ac6840 c8f60b14 f8b21d6f 00000000 f3ab5023
Call Trace:
[<c017b9ee>] sys_stat64+0x1e/0x30
[<f8b21d6f>] aufs_setattr+0x28f/0x9c0 [aufs]
[<c0188c9c>] dput+0x1c/0x100
[<c01817ac>] __link_path_walk+0xa1c/0xb80
[<c018dfd5>] mntput_no_expire+0x15/0xd0
[<c0181961>] path_walk+0x51/0x90
[<c018c125>] notify_change+0xe5/0x2d0
[<c01841fd>] fillonedir+0x3d/0xe0
[<c0198288>] utimes_common+0xb8/0x160
[<c01983be>] do_utimes+0x8e/0xe0
[<c0198553>] sys_utime+0x23/0x70
[<c0103049>] sysenter_do_call+0x12/0x21
=======================
Code: 24 08 00 02 00 00 c7 44 24 04 34 e8 b2 f8 c7 04 24 41 fb b2 f8 e8 19 20
60 c7 e9 52 fc ff ff 8d 74 26 00 0f 0b eb fe 0f 0beb fe <0f> 0b eb fe 8d 74 26
00 0f 0b eb fe 0f 0b eb fe 0f 0b eb fe 0f
EIP: [<f8b21808>] au_wr_dir+0x608/0x660 [aufs] SS:ESP 0068:c284be14
---[ end trace 96f7ee4211021e86 ]---
As I see the code is same as in the current release(1.28).
Yuri Chislov.
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