oops during unmount - ext3? (2.6.27-rc5)
From: Marcin Slusarz
Date: Thu Sep 04 2008 - 15:14:57 EST
Hi
2 days ago 2.6.27-rc5 oopsed on halt with this call trace:
dispose_list
invalidate_inodes
generic_shutdown_super
kill_block_super
? deactivate_super
mntput_no_expire
sys_umount
system_call_fastpath
Code: f8 ff 48 89 df e8 bd 19 01 00 48 83 bb 90 02 00 00 00 74 04 0f 0b eb fe 48 8b 83 b8 03 00 00 a8 20 75 04 0f 0b eb fe a8 40 74 04 <0f> 0b eb fe 48 c7 c7 7a a0 57 80 be 56 00 00 00 e8 56 31 f8 ff
RIP clear_inode
Output of decodecode:
/tmp/tmp.To8z8HQ0uE.o: file format elf64-x86-64
Disassembly of section .text:
0000000000000000 <.text>:
0: f8 clc
1: ff 48 89 decl -0x77(%rax)
4: df e8 fucomip %st(0),%st
6: bd 19 01 00 48 mov $0x48000119,%ebp
b: 83 bb 90 02 00 00 00 cmpl $0x0,0x290(%rbx)
12: 74 04 je 0x18
14: 0f 0b ud2a
16: eb fe jmp 0x16
18: 48 8b 83 b8 03 00 00 mov 0x3b8(%rbx),%rax
1f: a8 20 test $0x20,%al
21: 75 04 jne 0x27
23: 0f 0b ud2a
25: eb fe jmp 0x25
27: a8 40 test $0x40,%al
29: 74 04 je 0x2f
/tmp/tmp.To8z8HQ0uE.o: file format elf64-x86-64
Disassembly of section .text:
0000000000000000 <.text>:
0: 0f 0b ud2a
2: eb fe jmp 0x2
4: 48 c7 c7 7a a0 57 80 mov $0xffffffff8057a07a,%rdi
b: be 56 00 00 00 mov $0x56,%esi
10: e8 56 31 f8 ff callq 0xfffffffffff8316b
You can see partial screenshot and .config at http://www.kadu.net/~joi/kernel/2008.09.04/
It might be related to http://lkml.org/lkml/2008/9/3/405 - I'm not sure.
2 bugs related to VFS and/or ext3 in 2 days (I'm running .27 since rc1)
Marcin
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