[Xymon] xymond_rrd - Program crashed Fatal signal caught!

[Lukas Kohl]

Hello there,
I'm running under xymon Version 4.3.7.
Since 4 Weeks I am experiencing these chrashes about 5 to 10 times a day.

These are two example backtracked core dumps:

#0  0x00007f96a06f2b55 in raise () from /lib64/libc.so.6
(gdb) bt
#0  0x00007f96a06f2b55 in raise () from /lib64/libc.so.6
#1  0x00007f96a06f4131 in abort () from /lib64/libc.so.6
#2  0x000000000042cde3 in sigsegv_handler (signum=<optimized out>) at
sig.c:57
#3  <signal handler called>
#4  0x00007f96a07d3e18 in __strchr_sse42 () from /lib64/libc.so.6
#5  0x00000000004092fa in do_ncv_rrd (hostname=0xserver1 "server1",
testname=0x7f96a1240b20 "queued-requests", classname=0x4373cd "",
pagepaths=0x4373cd "", msg=0x0, tstamp=<optimized out>) at rrd/do_ncv.c:54
#6  0x0000000000412b7b in update_rrd (hostname=0xserver1 "server1",
testname=0x7f96a1240b20 "queued-requests", msg=0x0, tstamp=1409060041,
sender=<optimized out>, ldef=<optimized out>, classname=0x4373cd "",
    pagepaths=0x4373cd "") at do_rrd.c:713
#7  0x00000000004034e6 in main (argc=<optimized out>, argv=0x7fff97181608)
at xymond_rrd.c:351
(gdb)

(gdb) bt
#0  0x00007ffce86e0b55 in raise () from /lib64/libc.so.6
#1  0x00007ffce86e2131 in abort () from /lib64/libc.so.6
#2  0x000000000042cde3 in sigsegv_handler (signum=<optimized out>) at
sig.c:57
#3  <signal handler called>
#4  0x00007ffce87c4270 in __strstr_sse42 () from /lib64/libc.so.6
#5  0x0000000000410796 in do_memory_rrd (hostname=0xserver2 "server2",
testname=0x7ffce92338ee "memory", classname=0x4373cd "",
    pagepaths=0x4373cd "", msg=0x0, tstamp=1409115365) at rrd/do_memory.c:96

#6  0x0000000000412a3b in update_rrd (hostname=0xserver2 "server2",
testname=0x7ffce92338ee "memory", msg=0x0, tstamp=1409115365,
    sender=<optimized out>, ldef=<optimized out>, classname=0x4373cd "",
pagepaths=0x4373cd "") at do_rrd.c:697
#7  0x00000000004034e6 in main (argc=<optimized out>, argv=0x7fff3d717518)
at xymond_rrd.c:351


And here is the rrd-status LogFile:
31485 2014-08-26 15:34:01 Want msg 21565, startpos 68046, fillpos 68046,
endpos -1, usedbytes=0, bufleft=460337
31485 2014-08-26 15:34:01 Got 568 bytes
31485 2014-08-26 15:34:01 xymond_rrd: Got message 21565
@@status#21565/server|1409060041.082009|IP||server|licensed-connections|1409061841|green||green|1408883326|0||0||1408883303||page|0|

31485 2014-08-26 15:34:01 startpos 68300, fillpos 68614, endpos 68610
31485 2014-08-26 15:34:01 xymond_rrd: Got message 21566
@@status#21566/server2|1409060041.082061|IP||server2|queued-requests|1409383096|blue||blue|1409037496|0||1409383096|Disabled
by
31485 2014-08-26 15:34:01 startpos 68614, fillpos 68614, endpos -1
2014-08-26 15:34:01 Peer at 0.0.0.0:0 failed: Broken pipe
2014-08-26 15:34:01 Peer not up, flushing message queue
6944 2014-08-26 15:34:01 Opening file
/opt/xymon/server/etc/rrddefinitions.cfg
6944 2014-08-26 15:34:01 Want msg 1, startpos 0, fillpos 0, endpos -1,
usedbytes=0, bufleft=528383
6944 2014-08-26 15:34:01 Got 245 bytes
6944 2014-08-26 15:34:01 xymond_rrd: Got message 21570
@@status#21570/server3|1409060041.134654|IP||server3|queued-requests|1409061841|green||green|1408883326|0||0||1408883303||page|0|

6944 2014-08-26 15:34:01 startpos 245, fillpos 245, endpos -1
6944 2014-08-26 15:34:01 Transport setup is:
6944 2014-08-26 15:34:01 xymondportnumber = 1984
6944 2014-08-26 15:34:01 xymonproxyhost = NONE
6944 2014-08-26 15:34:01 xymonproxyport = 0
6944 2014-08-26 15:34:01 Recipient listed as 'IP'
6944 2014-08-26 15:34:01 Standard protocol on port 1984
6944 2014-08-26 15:34:01 Will connect to address IP port 1984
6944 2014-08-26 15:34:01 Connect status is 0
6944 2014-08-26 15:34:01 Sent 16 bytes
6944 2014-08-26 15:34:01 Read 32767 bytes
6944 2014-08-26 15:34:01 Read 32767 bytes
6944 2014-08-26 15:34:01 Read 4287 bytes
6944 2014-08-26 15:34:01 Closing connection

At the Moment I am not able to debug this Problem any further, and I would
be very glad, if you can give me a hint in the right direction.

Kind regards,
Lukas Kohl
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