[rrd-developers] Re: rrdtool dump's core

[Steen Linden]

Hi Jesper,

I have a system similar to yours. It's running FreeBSD 4.3-RELEASE with
rrdtool 1.0.33 underneath Cricket-1.0.3-pre2 in production without
core dump problems.

Your example dumps core on my box too, but it works if you
replace "u" with "U":

$ rrdtool restore renxt1.ip.tele.dk.atm1-0.11123-aal5.xml tdk.rrd
$ rrdtool update tdk.rrd 1006280441:462185307:2878952554:3880923:4573625:0:u
Segmentation fault (core dumped)
$ rm tdk.rrd
$ rrdtool restore renxt1.ip.tele.dk.atm1-0.11123-aal5.xml tdk.rrd
$ rrdtool update tdk.rrd 1006280441:462185307:2878952554:3880923:4573625:0:U

Best wishes
Steen Linden
Ebone

On Tue, 20 Nov 2001, Jesper Skriver wrote:

>
> Hi,
>
> I have a problem where rrdtool 1.0.33 dumps core on a FreeBSD
> 4.3-RELEASE-pl20 box
>
> It can be reproduced as follows:
>
> mie at remie% rrdtool update /data/rrd//renxt1/renxt1.ip.tele.dk.atm1-0.11123-aal5.rrd 1006280441:462185307:2878952554:3880923:4573625:0:u
> Segmentation fault (core dumped)
> mie at remie% gdb rrdtool rrdtool.core
> GNU gdb 4.18
> Copyright 1998 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 "i386-unknown-freebsd"...(no debugging symbols found)...
> Core was generated by `rrdtool'.
> Program terminated with signal 11, Segmentation fault.
> Reading symbols from /usr/local/lib/librrd.so.0...(no debugging symbols found)...done.
> Reading symbols from /usr/lib/libm.so.2...(no debugging symbols found)...done.
> Reading symbols from /usr/lib/libc.so.4...(no debugging symbols found)...done.
> Reading symbols from /usr/libexec/ld-elf.so.1...(no debugging symbols found)...done.
> #0  0x2807326f in rrd_diff () from /usr/local/lib/librrd.so.0
> (gdb) bt
> #0  0x2807326f in rrd_diff () from /usr/local/lib/librrd.so.0
> #1  0x2807f39b in rrd_update () from /usr/local/lib/librrd.so.0
> #2  0x8049537 in free ()
> #3  0x80491ac in free ()
> #4  0x8048a3d in free ()
> (gdb) quit
> mie at remie% mkdir debug
> mie at remie% rrdtool dump /data/rrd//renxt1/renxt1.ip.tele.dk.atm1-0.11123-aal5.rrd > debug/renxt1.ip.tele.dk.atm1-0.11123-aal5.xml
> mie at remie% mv rrdtool.core debug/
> mie at remie% cp /usr/local/bin/rrdtool debug/
>
> I have this for lots of my RRD archives, and at first I thought that the
> rrd file had become corrupt somehow, but if I delete it and recreate the
> rrd file, it's the same thing.
>
> Any ideas ?
>
> The XML file is available at http://e.wheel.dk/~jesper/renxt1.ip.tele.dk.atm1-0.11123-aal5.xml
>
> /Jesper
>
> --
> Jesper Skriver, jesper(at)skriver(dot)dk  -  CCIE #5456
> Work:    Network manager   @ AS3292 (Tele Danmark DataNetworks)
> Private: FreeBSD committer @ AS2109 (A much smaller network ;-)
>
> One Unix to rule them all, One Resolver to find them,
> One IP to bring them all and in the zone to bind them.
>
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