Hello, All
I have the following configuration: CentOS 3.8, kernel
2.4.21-41.0.01.EL, Dialogic boards.
Sometimes a kernel panic happens. I setup netdump and got several crash
dumps and logs. Backtrace shows that kswapd called BUG in try_to_unmap
function. Unfortunately I couldn't upgrade the kernel because of
proprietary Dialogic drivers which are precompiled.
Could somebody help me? I tried to find similar issues in maillist and
failed with it. There are a few messages but they describe another case.
As I understand the rmap.c are under active development and it's
strongly been changing per each kernel version. Also if I understand
correct rmap.c has appeared in the kernel 2.6.x and my version of the
kernel is a backport by RedHat from 2.6 to 2.4.
Information about the crash is below. The specific of my system is a lot
of java thread (up to 1500).
Best regards,
Kostya.
--------------------------------
crash 4.0-2.30
Copyright (C) 2002, 2003, 2004, 2005, 2006 Red Hat, Inc.
Copyright (C) 2004, 2005, 2006 IBM Corporation
Copyright (C) 1999-2006 Hewlett-Packard Co
Copyright (C) 2005 Fujitsu Limited
Copyright (C) 2005 NEC Corporation
Copyright (C) 1999, 2002 Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
This program is free software, covered by the GNU General Public License,
and you are welcome to change it and/or distribute copies of it under
certain conditions. Enter "help copying" to see the conditions.
This program has absolutely no warranty. Enter "help warranty" for details.
WARNING: /usr/lib/debug/boot/vmlinux-2.4.21-47.0.1.EL.debug:
CRC value does not match
GNU gdb 6.1
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu"...
KERNEL: /root/vmlinux-2.4.21-47.0.1.EL
DEBUGINFO: /usr/lib/debug/boot/vmlinux-2.4.21-47.0.1.EL.debug
DUMPFILE: vmcore
CPUS: 1
DATE: Tue Mar 13 00:06:05 2007
UPTIME: 02:23:16
LOAD AVERAGE: 3.36, 1.64, 0.68
TASKS: 2627
NODENAME: ple-dev-dh1
RELEASE: 2.4.21-47.0.1.EL
VERSION: #1 Thu Oct 19 11:42:25 EDT 2006
MACHINE: i686 (931 Mhz)
MEMORY: 1 GB
PANIC: "kernel BUG at rmap.c:498!"
PID: 4
COMMAND: "kswapd"
TASK: c37b8000
CPU: 0
STATE: TASK_RUNNING (PANIC)
crash> bt -f
PID: 4 TASK: c37b8000 CPU: 0 COMMAND: "kswapd"
#0 [c37b9e54] netconsole_netdump at f89f9586
[RA: c0121225 SP: c37b9e54 FP: c37b9e64 SIZE: 20]
c37b9e54: c37b9f34 00000000 c37b9f34 00000000
c37b9e64: c0121225
#1 [c37b9e64] try_crashdump at c0121223
[RA: c010c2d7 SP: c37b9e68 FP: c37b9e74 SIZE: 16]
c37b9e68: c37b9f34 00000000 c37b9f34 c010c2d7
#2 [c37b9e74] die at c010c2d2
[RA: c010c4e7 SP: c37b9e78 FP: c37b9e88 SIZE: 20]
c37b9e78: c37b9f34 c028d975 00000000 c37b8000
c37b9e88: c010c4e7
#3 [c37b9e88] do_invalid_op at c010c4e2
[RA: c02841c2 SP: c37b9e8c FP: c37b9f28 SIZE: 160]
c37b9e8c: c028d975 c37b9f34 00000000 00000000
c37b9e9c: c37b9f34 00000000 c37b9ea8 00000004
c37b9eac: 00000000 00030002 c0152280 cf4e4510
c37b9ebc: c1037380 00000000 cf4e4510 00000008
c37b9ecc: 00000001 cf4e4510 c01ba06b 00000001
c37b9edc: cf4e4510 cf4e4510 cf4e4510 cf4e4510
c37b9eec: c0159e64 c1037380 cf4e4510 00001000
c37b9efc: c1037380 c1037380 c034db00 c014c400
c37b9f0c: c014a9be 00000001 c1037380 00000302
c37b9f1c: c37b9f34 00001000 00001000 c02841c2
#4 [c37b9f28] error_code (via invalid_op) at c02841c0
EAX: 00048159 EBX: c1001194 ECX: 000003ba EDX: f885d000 EBP: c1001178
DS: 0068 ESI: c1001178 ES: 0068 EDI: ffffffff
CS: 0060 EIP: c0152280 ERR: ffffffff EFLAGS: 00010206
[RA: c0152280 SP: c37b9f34 FP: c37b9f64 SIZE: 52]
c37b9f34: c1001194 000003ba f885d000 c1001178
c37b9f44: ffffffff c1001178 00048159 00030068
c37b9f54: 00000068 ffffffff c0152280 00000060
c37b9f64: 00010206
#5 [c37b9f64] try_to_unmap at c0152280
[RA: c0147d13 SP: c37b9f68 FP: c37b9f88 SIZE: 36]
c37b9f68: c1001178 c014c5c7 00000000 0003ba00
c37b9f78: c1001194 c1001178 c034db00 00001000
c37b9f88: c0147d13
#6 [c37b9f88] launder_page at c0147d0e
[RA: c014901b SP: c37b9f8c FP: c37b9fa8 SIZE: 32]
c37b9f8c: c1001178 000001d0 00000000 00000116
c37b9f9c: c034db00 00000001 00000000 c014901b
#7 [c37b9fa8] rebalance_dirty_zone at c0149016
[RA: c0149826 SP: c37b9fac FP: c37b9fd0 SIZE: 40]
c37b9fac: c034db00 000001d0 c1001178 c034dd3c
c37b9fbc: 00000020 c034db00 00000032 00000001
c37b9fcc: 00000000 c0149826
#8 [c37b9fd0] kswapd at c0149821
[RA: c010947d SP: c37b9fd4 FP: c37b9ff0 SIZE: 32]
c37b9fd4: c034db00 00000040 000001d0 00000068
c37b9fe4: c01496b0 00000000 00000000 c010947d
#9 [c37b9ff0] kernel_thread_helper at c010947b
[RA: 0 SP: c37b9fd4 FP: c37b9ffc SIZE: 16]
c37b9fd4: 00000000 00000000 00000000 00000000
crash> ps
PID PPID CPU TASK ST %MEM VSZ RSS COMM
0 0 0 c0392000 RU 0.0 0 0 [swapper]
1 0 0 c39be000 IN 0.0 1524 492 init
2 1 0 c211e000 IN 0.0 0 0 [keventd]
3 1 0 c37ba000 RU 0.0 0 0 [ksoftirqd/0]
> 4 1 0 c37b8000 RU 0.0 0 0 [kswapd]
5 1 0 f7fc6000 IN 0.0 0 0 [kscand]
6 1 0 f7fc4000 IN 0.0 0 0 [bdflush]
7 1 0 f7fc2000 IN 0.0 0 0 [kupdated]
8 1 0 c37b0000 IN 0.0 0 0 [mdrecoveryd]
12 1 0 f7794000 IN 0.0 0 0 [kjournald]
67 1 0 c35b6000 IN 0.0 0 0 [khubd]
559 1 0 f7702000 IN 0.0 0 0 [kjournald]
949 1 0 c2190000 IN 0.1 1588 612 syslogd
953 1 0 c377c000 IN 0.0 1540 456 klogd
979 1 0 c3768000 IN 0.0 1656 520 portmap
998 1 0 c3762000 IN 0.1 1664 640 rpc.statd
1009 1 0 c374e000 IN 0.0 1584 400 mdadm
1162 1 0 f7f00000 IN 0.2 7596 1600 cupsd
1183 1 0 f762c000 IN 0.1 3656 1456 sshd
1197 1 0 f7616000 IN 0.1 2136 692 xinetd
1277 1 0 c3660000 IN 0.2 6104 1952 sendmail
1286 1 0 c3650000 IN 0.2 5980 1780 sendmail
1313 1 0 c363c000 IN 0.7 185552 7700 eventserv
1330 1 0 c364e000 IN 0.7 83396 7060 nameserv
1347 1 0 f7eda000 IN 0.1 4472 992 crond
2376 1 0 f7e60000 IN 0.7 185552 7700 eventserv
2377 1 0 f7e5e000 IN 0.7 83396 7060 nameserv
2401 1 0 f7e50000 IN 0.7 51832 7172 dlgsysloggerser
2437 1 0 f7e12000 IN 0.8 32132 7920 devmapserver
2498 1 0 c3bb2000 IN 0.7 83396 7060 nameserv
2516 1 0 c3bb8000 IN 0.7 42156 7528 dlgtimeslotdole
2602 1 0 c3b5c000 IN 0.9 106216 9124 dlgsysmonitorse
2626 1 0 c3b4e000 IN 0.9 106216 9124 dlgsysmonitorse
2632 1 0 c3b4c000 IN 0.9 106216 9124 dlgsysmonitorse
2636 1 0 c3b46000 IN 0.9 106216 9124 dlgsysmonitorse
2670 1 0 c3b1a000 IN 0.7 185552 7700 eventserv
2671 1 0 c3b3c000 IN 0.7 185552 7700 eventserv
2672 1 0 c3b18000 IN 0.7 185552 7700 eventserv
2673 1 0 c3b44000 IN 0.7 185552 7700 eventserv
2712 1 0 c3b0e000 IN 0.9 106216 9124 dlgsysmonitorse
2729 1 0 c3b2c000 IN 0.8 55012 8848 dlgsysclockserv
2753 1 0 c3af8000 IN 0.8 55012 8848 dlgsysclockserv
2774 1 0 c3afc000 IN 0.8 55012 8848 dlgsysclockserv
3005 1 0 ebd04000 IN 0.7 42156 7528 dlgtimeslotdole
3185 1 0 dd632000 IN 0.8 75236 8704 dlgclockdaemon
3237 1 0 dbcd8000 IN 0.8 75236 8704 dlgclockdaemon
3244 1 0 dbcf8000 IN 0.7 185552 7700 eventserv
3245 1 0 e5a78000 IN 0.8 75236 8704 dlgclockdaemon
3266 1 0 dbc6c000 IN 0.8 75236 8704 dlgclockdaemon
3269 1 0 e5628000 IN 0.8 75236 8704 dlgclockdaemon
3271 1 0 db912000 IN 0.8 75236 8704 dlgclockdaemon
3281 1 0 db786000 IN 0.7 185552 7700 eventserv
3282 1 0 db77c000 IN 0.7 185552 7700 eventserv
3309 1 0 db1ee000 IN 0.7 185552 7700 eventserv
3310 1 0 db1f0000 IN 0.9 106216 9124 dlgsysmonitorse
3317 1 0 db054000 IN 0.9 106216 9124 dlgsysmonitorse
3334 1 0 f7ed8000 IN 1.4 158652 14328 boardserver
3478 1 0 d8278000 IN 0.7 74448 7676 dlgctrapservd
3510 1 0 d734a000 IN 0.1 1596 584 atd
3536 1 0 d6fd4000 IN 1.4 158652 14328 boardserver
3544 1 0 d69c0000 IN 0.7 185552 7700 eventserv
3545 1 0 d699c000 IN 1.4 158652 14328 boardserver
3563 1 0 d6994000 IN 0.7 83396 7060 nameserv
3564 1 0 d6992000 IN 1.4 158652 14328 boardserver
3629 1 0 d6518000 IN 0.7 185552 7700 eventserv
3630 1 0 d663c000 IN 0.7 74448 7676 dlgctrapservd
3684 1 0 f760e000 IN 0.0 1512 424 mingetty
3685 1 0 d6944000 IN 0.0 1524 428 mingetty
3686 1 0 d64b6000 IN 0.0 1524 424 mingetty
3687 1 0 d63cc000 IN 0.0 1520 428 mingetty
3688 1 0 d63ca000 IN 0.0 1528 428 mingetty
3689 1 0 d646a000 IN 0.0 1516 428 mingetty
3695 1 0 d64c2000 IN 0.7 83396 7060 nameserv
3696 1 0 d63c2000 IN 0.7 74448 7676 dlgctrapservd
3703 1 0 d63c4000 IN 1.4 158652 14328 boardserver
3704 1 0 d63ba000 IN 1.4 158652 14328 boardserver
3705 1 0 d63b8000 IN 1.4 158652 14328 boardserver
3709 1 0 d639e000 IN 0.7 185552 7700 eventserv
3710 1 0 d6332000 IN 1.4 158652 14328 boardserver
3711 1 0 d61e6000 IN 1.4 158652 14328 boardserver
3715 1 0 d61d4000 IN 0.7 185552 7700 eventserv
3716 1 0 d61ce000 IN 0.7 185552 7700 eventserv
3717 1 0 d61b6000 IN 0.7 185552 7700 eventserv
3718 1 0 d619a000 IN 1.4 158652 14328 boardserver
3719 1 0 d6156000 IN 1.4 158652 14328 boardserver
3796 1 0 d5fd8000 IN 1.4 158652 14328 boardserver
3797 1 0 d5fd6000 IN 0.7 74448 7676 dlgctrapservd
6155 1183 0 d312a000 IN 0.2 6852 1968 sshd
6158 6155 0 d43be000 IN 0.2 7036 2172 sshd
6159 6158 0 d259a000 IN 0.1 4260 1396 bash
10982 1183 0 edde0000 IN 0.2 6852 1988 sshd
10987 10982 0 eabaa000 IN 0.2 7036 2204 sshd
10988 10987 0 ea424000 IN 0.1 4256 1384 bash
11135 1 0 f7104000 IN 0.1 4192 1100 run.sh
11144 11135 0 eaab6000 IN 45.8 1877952 480340 java
11145 11135 0 e147c000 IN 45.8 1877952 480340 java
11146 11135 0 d5faa000 IN 45.8 1877952 480340 java
11147 11135 0 f7106000 IN 45.8 1877952 480340 java
11148 11135 0 efc38000 IN 45.8 1877952 480340 java
11149 11135 0 ceac4000 IN 45.8 1877952 480340 java
11150 11135 0 dd5f0000 IN 45.8 1877952 480340 java
11151 11135 0 ec2b2000 IN 45.8 1877952 480340 java
11152 11135 0 efaf6000 IN 45.8 1877952 480340 java
11153 11135 0 f02f2000 IN 45.8 1877952 480340 java
11159 10988 0 c7cd6000 IN 0.1 3892 688 tail
11160 11135 0 e5b12000 IN 45.8 1877952 480340 java
11161 11135 0 ea47a000 IN 45.8 1877952 480340 java
11162 11135 0 d600c000 IN 45.8 1877952 480340 java
11163 11135 0 eb804000 IN 45.8 1877952 480340 java
11164 11135 0 ef6f0000 IN 45.8 1877952 480340 java
11165 11135 0 f54aa000 IN 45.8 1877952 480340 java
11166 11135 0 efccc000 IN 45.8 1877952 480340 java
11167 11135 0 c84c6000 IN 45.8 1877952 480340 java
11168 11135 0 e9406000 IN 45.8 1877952 480340 java
11169 11135 0 e12d6000 IN 45.8 1877952 480340 java
11170 11135 0 e9176000 IN 45.8 1877952 480340 java
11171 11135 0 e2316000 IN 45.8 1877952 480340 java
11172 11135 0 c86ee000 IN 45.8 1877952 480340 java
11173 11135 0 d9eba000 IN 45.8 1877952 480340 java
11174 11135 0 f4196000 IN 45.8 1877952 480340 java
11175 11135 0 d756c000 IN 45.8 1877952 480340 java
11176 11135 0 c9c7e000 IN 45.8 1877952 480340 java
11177 11135 0 c2bc2000 IN 45.8 1877952 480340 java
11178 11135 0 c9ef8000 IN 45.8 1877952 480340 java
11179 11135 0 c9e9c000 IN 45.8 1877952 480340 java
11180 11135 0 ca06a000 IN 45.8 1877952 480340 java
11181 11135 0 d3788000 IN 45.8 1877952 480340 java
11182 11135 0 c074a000 IN 45.8 1877952 480340 java
11187 11135 0 c4300000 IN 45.8 1877952 480340 java
11188 11135 0 c437e000 IN 45.8 1877952 480340 java
11189 11135 0 c437c000 IN 45.8 1877952 480340 java
11190 11135 0 c437a000 IN 45.8 1877952 480340 java
11191 11135 0 c4378000 IN 45.8 1877952 480340 java
11192 11135 0 c4376000 IN 45.8 1877952 480340 java
......
13810 11135 0 d121e000 IN 45.8 1877952 480340 java
13811 11135 0 d121c000 IN 45.8 1877952 480340 java
13812 11135 0 d121a000 IN 45.8 1877952 480340 java
13813 11135 0 d1218000 IN 45.8 1877952 480340 java
13814 11135 0 d1202000 IN 45.8 1877952 480340 java
13815 11135 0 d37ce000 IN 45.8 1877952 480340 java
13816 11135 0 d37cc000 IN 45.8 1877952 480340 java
13817 11135 0 dfec4000 IN 45.8 1877952 480340 java
13818 11135 0 ec326000 IN 45.8 1877952 480340 java
13819 11135 0 ec322000 IN 45.8 1877952 480340 java
13820 11135 0 d37c6000 IN 45.8 1877952 480340 java
13821 11135 0 d37c4000 RU 45.8 1877952 480340 java
13822 11135 0 dc85e000 RU 45.8 1877952 480340 java
13823 11135 0 dbf4c000 RU 45.8 1877952 480340 java
13824 11135 0 dfedc000 RU 45.8 1877952 480340 java
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