Hello
After 4 days of uptime the new 2.4.20 kernel with HTB3 (previously we used
HTB2 and 2.4.9-31) oopsed and in short time I could not even ssh to the
system. Here is the ksymoops filtered message:
ksymoops 2.4.8 on i686 2.4.20-xfs. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.20-xfs/ (default)
-m /usr/src/linux/System.map (default)
Warning: You did not tell me where to find symbol information. I will
assume that the log matches the kernel and modules that are running
right now and I''ll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc. ksymoops -h explains the options.
Oops: 0000
CPU: 1
EIP: 0010:[<c021be25>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010206
eax: 000000b0 ebx: 00000000 ecx: c031ad88 edx: 000000b0
esi: edb63de0 edi: f5220880 ebp: f5220880 esp: edb63d98
ds: 0018 es: 0018 ss: 0018
Process tc (pid: 7596, stackpage=edb63000)
Stack: f5220800 00001831 ede963a0 ede963a0 f5220880 00000003 f5220860
c0214115
f5220800 edb63de0 f69b3960 f2bc0140 ede963a0 f2bc0140 ede963b8
f28f95b0
f757e800 00001831 00000000 000002a5 000002a6 c0214004 f69b3960
ede963a0
Call Trace: [<c0214115>] [<c0214004>] [<c0221db7>]
[<c0208bd9>]
[<c0221b9b>]
[<c0221bc2>] [<c0203c91>] [<c020510f>] [<c0210010>]
[<c0228186>]
[<c02281f0>]
[<c0226ffa>] [<c0114515>] [<c02053ed>] [<c0106f17>]
Code: 8b 03 0f 18 00 39 fb 75 c2 83 44 24 10 08 83 c5 08 ff 44 24
>>EIP; c021be25 <htb_walk+89/ad> <====
>>ecx; c031ad88 <irq_stat+28/400>
>>esi; edb63de0 <_end+2d81f388/384c35a8>
>>edi; f5220880 <_end+34edbe28/384c35a8>
>>ebp; f5220880 <_end+34edbe28/384c35a8>
>>esp; edb63d98 <_end+2d81f340/384c35a8>
Trace; c0214115 <tc_dump_tclass+dd/130>
Trace; c0214004 <qdisc_class_dump+0/34>
Trace; c0221db7 <netlink_dump+7f/1d4>
Trace; c0208bd9 <skb_free_datagram+1d/24>
Trace; c0221b9b <netlink_recvmsg+b7/134>
Trace; c0221bc2 <netlink_recvmsg+de/134>
Trace; c0203c91 <sock_recvmsg+3d/ac>
Trace; c020510f <sys_recvmsg+15b/204>
Trace; c0210010 <.text.lock.neighbour+24a/34a>
Trace; c0228186 <ip_forward+1a6/210>
Trace; c02281f0 <ip_forward_finish+0/60>
Trace; c0226ffa <ip_rcv+31a/3b0>
Trace; c0114515 <schedule+49d/560>
Trace; c02053ed <sys_socketcall+1f5/200>
Trace; c0106f17 <system_call+33/38>
Code; c021be25 <htb_walk+89/ad>
00000000 <_EIP>:
Code; c021be25 <htb_walk+89/ad> <==== 0: 8b 03
mov (%ebx),%eax <====Code; c021be27 <htb_walk+8b/ad>
2: 0f 18 00 prefetchnta (%eax)
Code; c021be2a <htb_walk+8e/ad>
5: 39 fb cmp %edi,%ebx
Code; c021be2c <htb_walk+90/ad>
7: 75 c2 jne ffffffcb <_EIP+0xffffffcb>
c021bdf0 <htb_walk+54/ad>
Code; c021be2e <htb_walk+92/ad>
9: 83 44 24 10 08 addl $0x8,0x10(%esp,1)
Code; c021be33 <htb_walk+97/ad>
e: 83 c5 08 add $0x8,%ebp
Code; c021be36 <htb_walk+9a/ad>
11: ff 44 24 00 incl 0x0(%esp,1)
1 warning issued. Results may not be reliable.
$ /usr/src/linux/scripts/ver_linux
Linux htb 2.4.20-xfs #3 SMP Fri Jan 17 17:14:53 EET 2003 i686 unknown
Gnu C 2.95.3
Gnu make 3.79.1
util-linux 2.11r
mount 2.11r
modutils 2.4.16
e2fsprogs 1.27
Linux C Library 2.2.5
Dynamic linker (ldd) 2.2.5
Procps 2.0.7
Net-tools 1.60
Kbd 1.06
Sh-utils 2.0
Modules Loaded sch_sfq e1000
$ cat /etc/fstab
/dev/sda1 swap swap defaults 0 0
/dev/sda2 / ext2 defaults 1 1
/dev/sda3 /var xfs defaults 0 0
/dev/cdrom /mnt/cdrom iso9660 noauto,owner,ro 0 0
/dev/fd0 /mnt/floppy auto noauto,owner 0 0
none /dev/pts devpts gid=5,mode=620 0 0
none /proc proc defaults 0 0
After the oops applications that were trying to write to the /var (xfs)
partition were hanging in D state. We will reformat it and reboot with a
vanilla 2.4.20 having the same config except the XFS filesystem.
Help ?
----------------------------
Mihai RUSU
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