Hi,
OOPS in 2.6.19 and also 2.6.19.2. Both 2.6.18.3 and 2.6.18.6 are fine.
Exact steps how to reproduce:
#> /etc/init.d/nfs stop
#> umount <PARTITION>
#> reiserfsck -f -q <PARTITION>
All were compiled with gcc version 3.4.6 20060404 (Red Hat 3.4.6-3)
from CentOS 4.4
Machine is a Dual Xeon 3GHz w/ 4GB RAM and 2GB/2GB user/kernel split
and uses reiserfs for all data partitions.
nfsd and reiserfs are built as a module.
If you'll need more info I'll happily try to provide it but it's a
production system and also I could do this trace only on a running
2.6.18.6
Please see ksymoops dump:
ksymoops 2.4.11 on i686 2.6.18.6. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.6.19.2/ (specified)
-m /usr/src/linux-2.6.19.2/System.map (specified)
Error (regular_file): read_ksyms stat /proc/ksyms failed
ksymoops: No such file or directory
No modules in ksyms, skipping objects
No ksyms, skipping lsmod
2048MB HIGHMEM available.
2048MB LOWMEM available.
e1000: 0000:03:04.0: e1000_probe: (PCI-X:100MHz:64-bit) 00:04:23:d1:ae:48
e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
e1000: 0000:03:04.1: e1000_probe: (PCI-X:100MHz:64-bit) 00:04:23:d1:ae:49
e1000: eth1: e1000_probe: Intel(R) PRO/1000 Network Connection
e1000: eth0: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex
e1000: eth1: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex
BUG: unable to handle kernel paging request at virtual address 40000830
f8e27304
*pde = 00000000
Oops: 0000 [#1]
CPU: 1
EIP: 0060:[<f8e27304>] Not tainted VLI
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010202 (2.6.19.2 #5)
eax: ee9e3f3f ebx: 4000082c ecx: 00000000 edx: f8e69a60
esi: 79ed7040 edi: 00000000 ebp: aff861c0 esp: 7b1f5f38
ds: 007b es: 007b ss: 0068
Stack: 00000005 f8e273d8 f8e36024 f8e273e3 00000000 781248b1 404d46da 000000ed
aff83550 00000206 7b1f5f7c aff861c0 7b1f5f90 fffffffc 781249f5 ffffffff
ffffffff 00000001 00000000 781132d7 00010000 00000000 00000001 00000001
Call Trace:
[<f8e273d8>] do_cache_clean+0x0/0x33 [sunrpc]
[<f8e273e3>] do_cache_clean+0xb/0x33 [sunrpc]
[<781248b1>] run_workqueue+0x72/0xb0
[<781249f5>] worker_thread+0x106/0x138
[<781132d7>] default_wake_function+0x0/0xc
[<781132d7>] default_wake_function+0x0/0xc
[<781248ef>] worker_thread+0x0/0x138
[<781272f0>] kthread+0x7d/0xa1
[<78127273>] kthread+0x0/0xa1
[<7810343b>] kernel_thread_helper+0x7/0x10
Code: f8 0f 8d eb 00 00 00 8d 42 0c e8 aa dc 3f 7f a1 60 70 e3 f8 8b 50 08 a1 64
70 e3 f8 8d 34 82 8b 1e 85 db 74 69 8b 15 60 70 e3 f8 <8b> 43 04 39 42 44 7e 04
40 89 42 44 8b 43 04 3b 05 80 88 2d 78
EIP; f8e27304 <pg0+80b3c304/87d13400> <=====
eax; ee9e3f3f <pg0+766f8f3f/87d13400>
ebx; 4000082c <phys_startup_32+3ff0082c/78000000>
edx; f8e69a60 <pg0+80b7ea60/87d13400>
esi; 79ed7040 <pg0+1bec040/87d13400>
ebp; aff861c0 <pg0+37c9b1c0/87d13400>
esp; 7b1f5f38 <pg0+2f0af38/87d13400>
Trace; f8e273d8 <pg0+80b3c3d8/87d13400>
Trace; f8e273e3 <pg0+80b3c3e3/87d13400>
Trace; 781248b1 <run_workqueue+72/b0>
Trace; 781249f5 <worker_thread+106/138>
Trace; 781132d7 <default_wake_function+0/c>
Trace; 781132d7 <default_wake_function+0/c>
Trace; 781248ef <worker_thread+0/138>
Trace; 781272f0 <kthread+7d/a1>
Trace; 78127273 <kthread+0/a1>
Trace; 7810343b <kernel_thread_helper+7/10>
This architecture has variable length instructions, decoding before eip
is unreliable, take these instructions with a pinch of salt.
Code; f8e272d9 <pg0+80b3c2d9/87d13400>
00000000 <_EIP>:
Code; f8e272d9 <pg0+80b3c2d9/87d13400>
0: f8 clc
Code; f8e272da <pg0+80b3c2da/87d13400>
1: 0f 8d eb 00 00 00 jge f2 <_EIP+0xf2>
Code; f8e272e0 <pg0+80b3c2e0/87d13400>
7: 8d 42 0c lea 0xc(%edx),%eax
Code; f8e272e3 <pg0+80b3c2e3/87d13400>
a: e8 aa dc 3f 7f call 7f3fdcb9 <_EIP+0x7f3fdcb9>
Code; f8e272e8 <pg0+80b3c2e8/87d13400>
f: a1 60 70 e3 f8 mov 0xf8e37060,%eax
Code; f8e272ed <pg0+80b3c2ed/87d13400>
14: 8b 50 08 mov 0x8(%eax),%edx
Code; f8e272f0 <pg0+80b3c2f0/87d13400>
17: a1 64 70 e3 f8 mov 0xf8e37064,%eax
Code; f8e272f5 <pg0+80b3c2f5/87d13400>
1c: 8d 34 82 lea (%edx,%eax,4),%esi
Code; f8e272f8 <pg0+80b3c2f8/87d13400>
1f: 8b 1e mov (%esi),%ebx
Code; f8e272fa <pg0+80b3c2fa/87d13400>
21: 85 db test %ebx,%ebx
Code; f8e272fc <pg0+80b3c2fc/87d13400>
23: 74 69 je 8e <_EIP+0x8e>
Code; f8e272fe <pg0+80b3c2fe/87d13400>
25: 8b 15 60 70 e3 f8 mov 0xf8e37060,%edx
This decode from eip onwards should be reliable
Code; f8e27304 <pg0+80b3c304/87d13400>
00000000 <_EIP>:
Code; f8e27304 <pg0+80b3c304/87d13400> <=====
0: 8b 43 04 mov 0x4(%ebx),%eax <=====
Code; f8e27307 <pg0+80b3c307/87d13400>
3: 39 42 44 cmp %eax,0x44(%edx)
Code; f8e2730a <pg0+80b3c30a/87d13400>
6: 7e 04 jle c <_EIP+0xc>
Code; f8e2730c <pg0+80b3c30c/87d13400>
8: 40 inc %eax
Code; f8e2730d <pg0+80b3c30d/87d13400>
9: 89 42 44 mov %eax,0x44(%edx)
Code; f8e27310 <pg0+80b3c310/87d13400>
c: 8b 43 04 mov 0x4(%ebx),%eax
Code; f8e27313 <pg0+80b3c313/87d13400>
f: 3b 05 80 88 2d 78 cmp 0x782d8880,%eax
EIP: [<f8e27304>] cache_clean+0xe8/0x1bc [sunrpc] SS:ESP 0068:7b1f5f38
Warning (Oops_read): Code line not seen, dumping what data is available
EIP; f8e27304 <pg0+80b3c304/87d13400> <=====
1 warning and 1 error issued. Results may not be reliable.
Please include me on CC:
Cheers,
M
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