[Xymon] xymond crashing for unknown reasons

Tue Apr 12 15:02:30 CEST 2011

Hi all,

I've got the following problem:

I used to run Xymon 4.2.3 on FreeBSD (using the ports collection) and it 
worked fine.
However, when I upgraded to 4.3.2, I got all sorts of weird behaviour, so 
I decided to start from scratch.

So I uninstalled Xymon, deleted everyting related to it and then installed 
a fresh copy of Xymon 4.3.2 (also via the port-collection)
The installation goes fine, but when I start it up, the html files aren't 
generated.
It seems that xymond crashes for reasons I don't understand

I did some digging and I see the following:

xymonlaunch.log:

2011-04-09 23:39:33 xymonlaunch starting
2011-04-09 23:39:33 Loading tasklist configuration from 
/usr/local/www/xymon/server/etc/tasks.cfg
2011-04-09 23:39:33 Cannot open directory ^T<C2>        (<C6><B1>
2011-04-09 23:39:33 Loading hostnames
2011-04-09 23:39:33 Loading saved state
2011-04-09 23:39:33 Cannot access checkpoint file 
/usr/local/www/xymon/server/tmp/xymond.chk for restore
2011-04-09 23:39:33 Setting up network listener on 0.0.0.0:1984
2011-04-09 23:39:33 Setting up signal handlers
2011-04-09 23:39:33 Setting up xymond channels
2011-04-09 23:39:33 Setting up logfiles
2011-04-09 23:39:38 Cannot open env file 
/usr/local/www/xymon/client/etc/xymonclient.cfg - No such file or 
directory
2011-04-09 23:39:39 Task xymond terminated by signal 6
2011-04-09 23:39:39 Loading hostnames
2011-04-09 23:39:39 Loading saved state
2011-04-09 23:39:39 Cannot access checkpoint file 
/usr/local/www/xymon/server/tmp/xymond.chk for restore
2011-04-09 23:39:39 Setting up network listener on 0.0.0.0:1984
2011-04-09 23:39:39 Cannot bind to listen socket (Address already in use)
2011-04-09 23:39:39 Task xymond terminated, status 1
2011-04-09 23:39:44 Loading hostnames
2011-04-09 23:39:44 Loading saved state
2011-04-09 23:39:44 Cannot access checkpoint file 
/usr/local/www/xymon/server/tmp/xymond.chk for restore
2011-04-09 23:39:44 Setting up network listener on 0.0.0.0:1984
2011-04-09 23:39:44 Cannot bind to listen socket (Address already in use)
2011-04-09 23:39:44 Task xymond terminated, status 1
2011-04-09 23:39:49 Loading hostnames
2011-04-09 23:39:49 Loading saved state
2011-04-09 23:39:49 Cannot access checkpoint file 
/usr/local/www/xymon/server/tmp/xymond.chk for restore
2011-04-09 23:39:49 Setting up network listener on 0.0.0.0:1984
2011-04-09 23:39:49 Cannot bind to listen socket (Address already in use)
2011-04-09 23:39:49 Task xymond terminated, status 1
2011-04-09 23:39:54 Loading hostnames
2011-04-09 23:39:54 Loading saved state
2011-04-09 23:39:54 Cannot access checkpoint file 
/usr/local/www/xymon/server/tmp/xymond.chk for restore
2011-04-09 23:39:54 Setting up network listener on 0.0.0.0:1984
2011-04-09 23:39:54 Setting up signal handlers
2011-04-09 23:39:54 Setting up xymond channels
2011-04-09 23:39:54 Setting up logfiles
.....

xymond.log

2011-04-09 23:39:33 Setup complete
2011-04-09 23:39:54 Whoops ! Failed to send message (timeout)
2011-04-09 23:39:54 ->
2011-04-09 23:39:54 ->  Recipient '127.0.0.1', timeout 15
2011-04-09 23:39:54 ->  1st line: 'status xymon,example,com.xymond red - 
Program crashed'
2011-04-09 23:39:54 Setup complete
2011-04-09 23:40:21 Whoops ! Failed to send message (timeout)
2011-04-09 23:40:21 ->
2011-04-09 23:40:21 ->  Recipient '127.0.0.1', timeout 15
2011-04-09 23:40:21 ->  1st line: 'status xymon,example,com.xymond red - 
Program crashed'
2011-04-09 23:50:09 Setup complete
2011-04-09 23:50:30 Whoops ! Failed to send message (timeout)
2011-04-09 23:50:30 ->
2011-04-09 23:50:30 ->  Recipient '127.0.0.1', timeout 15
2011-04-09 23:50:30 ->  1st line: 'status xymon,example,com.xymond red - 
Program crashed'
2011-04-09 23:50:30 Setup complete
2011-04-09 23:51:10 Whoops ! Failed to send message (timeout)
2011-04-09 23:51:10 ->
2011-04-09 23:51:10 ->  Recipient '127.0.0.1', timeout 15
2011-04-09 23:51:10 ->  1st line: 'status xymon,example,com.xymond red - 
Program crashed'
2011-04-10 00:00:58 Setup complete
2011-04-10 00:01:17 Whoops ! Failed to send message (timeout)
2011-04-10 00:01:17 ->
2011-04-10 00:01:17 ->  Recipient '127.0.0.1', timeout 15
2011-04-10 00:01:17 ->  1st line: 'status xymon,example,com.xymond red - 
Program crashed'
2011-04-10 00:01:17 Setup complete
2011-04-10 00:01:32 Whoops ! Failed to send message (timeout)
2011-04-10 00:01:32 ->
2011-04-10 00:01:32 ->  Recipient '127.0.0.1', timeout 15
2011-04-10 00:01:32 ->  1st line: 'status xymon,example,com.xymond red - 
Program crashed'
.......

Output from gdb bin/xymond tmp/xymond.core

#0  0x281afe17 in kill () from /lib/libc.so.7
#1  0x281afd76 in raise () from /lib/libc.so.7
#2  0x281ae98a in abort () from /lib/libc.so.7
#3  0x0805df23 in sigsegv_handler (signum=11) at sig.c:57
#4  <signal handler called>
#5  rbtFind (h=0x0, key=0x2822b047) at rbtr.c:380
#6  0x0805a461 in knownhost (hostname=0x2822b047 "Amp2hi-test", 
hostip=0xbfbfbcfc "", ghosthandling=GH_LOG) at loadhosts.c:344
#7  0x0804d626 in get_hts (msg=Variable "msg" is not available.) at 
xymond.c:1051
#8  0x08051be0 in do_message (msg=0x28204100, origin=0x806238f "") at 
xymond.c:2981
#9  0x08056871 in main (argc=8, argv=Cannot access memory at address 0x4) 
at xymond.c:4999

Line 6 surprises me, because 'Amp2hi-test' is one of the hosts that I used 
to monitor, but I removed all the old configs etc from the server.
I've started up xymon several times and sometimes I see other 'old' 
hostnames in the output file of xymond.core
It appears that I didn't completely remove all traces of the old 
installation after all...

Any help would be appreciated,

Dennis

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