[xymon] hobbitd_rrd crashing

[Buchan Milne]

On Tuesday, 17 August 2010 14:24:15 Geoff Hallford wrote:
> Hi All,
> 
> Hopefully someone can help with this issue. hobbitd_rrd keeps crashing and
> popping up as red on my xymon installation. I am running 4.3.0-0 beta 2.
> Here is the dump of the core file:


It looks like the attached patch fixes this. Can you test it and confirm?


> xymon at xymon:~/server> gdb bin/hobbitd_rrd tmp/core
> GNU gdb (GDB) SUSE (7.1-3.12)
> Copyright (C) 2010 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html
> 
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "i586-suse-linux".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>...
> Reading symbols from /home/xymon/server/bin/hobbitd_rrd...done.
> [New Thread 8252]
> Core was generated by `hobbitd_rrd --rrddir=/home/xymon/data/rrd'.
> Program terminated with signal 6, Aborted.
> #0  0xffffe424 in __kernel_vsyscall ()
> 
> (gdb) bt
> #0  0xffffe424 in __kernel_vsyscall ()
> #1  0xb75937ff in raise () from /lib/libc.so.6
> #2  0xb7595140 in abort () from /lib/libc.so.6
> #3  0x080666d3 in sigsegv_handler (signum=11) at sig.c:57
> #4  <signal handler called>
> #5  0xb75de4a3 in strlen () from /lib/libc.so.6
> #6  0xb75de1a6 in strdup () from /lib/libc.so.6
> #7  0xb777ed16 in rrd_update () from /usr/lib/librrd.so.4
> #8  0x0804c217 in flush_cached_updates (cacheitem=0x80d4030, newdata=<value
> optimized out>) at do_rrd.c:225
> #9  0x0804d2dc in create_and_update_rrd (hostname=<value optimized out>,
> testname=0xb6e17a8a "if_load", classname=<value optimized out>,
> pagepaths=0x806d031 "", creparams=0xbfc280a4,
>     template=0x80d4970) at do_rrd.c:404
> #10 0x08057a26 in do_devmon_rrd (hostname=0xb6e17a7d "VPN04.uhn.ca",
> testname=0xb6e17a8a "if_load", classname=0xb6e17abe "uhn/uhnnetwork",
> pagepaths=0x806d031 "", msg=
>     0xb6e17acd "status VPN04,uhn,ca.if_load green Tue Aug 17 08:55:18
> 2010", tstamp=1282049718) at rrd/do_devmon.c:111
> #11 0x08058bf6 in update_rrd (hostname=0xb6e17a7d "VPN04.uhn.ca",
> testname=0xb6e17a8a "if_load", msg=0xb6e17acd "status VPN04,uhn,ca.if_load
> green Tue Aug 17 08:55:18 2010", tstamp=
>     1282049718, sender=0xb6e17a72 "127.0.0.1", ldef=0x809e490,
> classname=0xb6e17abe "uhn/uhnnetwork", pagepaths=0x806d031 "") at
> do_rrd.c:660
> #12 0x0804a906 in main (argc=2, argv=0xbfc2b444) at hobbitd_rrd.c:366

Regards,
Buchan
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