[rrd-users] Re: rrdtool 1.0.6 core dumps on FreeBSD 3.2 during graph

[Tobias Oetiker]

Today you sent me mail regarding [rrd-users] Re: rrdtool 1.0.6 core dumps...:

*> On Thu, Aug 19, 1999 at 06:22:45PM +0200, Alex van den Bogaerdt wrote:
*> > > But on 1.0.6 i get a core dump "Memory fault (core dumped)"
*> > > 
*> > > This is on FreeBSD 3.2-STABLE (3.2-RELEASE can also be used) ...
*> > > 
*> > > Any ideas ?
*> > > 
*> > > The rrd in question is at http://e.t.dk/aaanxt1.ip.tele.dk.atm6-0.84.rrd
*> > > 
*> > 
*> > I tried to do this on RedHat linux 6.0, and it works as expected:
*> > [alex at bigmac rrd]$ ./doit 
*> > 0x0
*> >              2272953
*> >               471507
*> >               983047
*> >               217615
*> > 
*> > Perhaps you could use a debugger to find out where it dumps core?
*> 
*> I don't know if this helps anyone ?
*> 
*> $ gdb /usr/local/rrdtool-1.0.6/bin/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"...
*> Core was generated by `rrdtool'.
*> Program terminated with signal 10, Bus error.
*> Reading symbols from /usr/lib/libm.so.2...done.
*> Reading symbols from /usr/lib/libc.so.3...done.
*> Reading symbols from /usr/libexec/ld-elf.so.1...done.
*> #0  0x2810a843 in bcopy () from /usr/lib/libc.so.3
*> (gdb) bt
*> #0  0x2810a843 in bcopy () from /usr/lib/libc.so.3
*> #1  0x28117b50 in .curbrk () from /usr/lib/libc.so.3
*> #2  0x2810abaf in bcopy () from /usr/lib/libc.so.3
*> #3  0x2810add9 in bcopy () from /usr/lib/libc.so.3
*> #4  0x2810cc47 in __dtoa () from /usr/lib/libc.so.3
*> #5  0x2810a0f5 in vfprintf () from /usr/lib/libc.so.3
*> #6  0x281082d6 in vfprintf () from /usr/lib/libc.so.3
*> #7  0x280fac72 in sprintf () from /usr/lib/libc.so.3
*> #8  0x804e6cb in print_calc (im=0xbfbfaf28, prdata=0xbfbfb3dc)
*>     at rrd_graph.c:1440
*> #9  0x8050375 in graph_paint (im=0xbfbfaf28, calcpr=0xbfbfb3dc)
*>     at rrd_graph.c:2160
*> #10 0x805204b in rrd_graph (argc=12, argv=0xbfbfdbb8, prdata=0xbfbfb3dc,
*>     xsize=0xbfbfb3d8, ysize=0xbfbfb3d4) at rrd_graph.c:2926
*> #11 0x8049714 in HandleInputLine (argc=13, argv=0xbfbfdbb4, out=0x80833a0)
*>     at rrd_tool.c:222
*> #12 0x80493b6 in main (argc=13, argv=0xbfbfdbb4) at rrd_tool.c:158
*> #13 0x8049175 in _start ()
*> (gdb) 
*> 
*> 
*> > Have you tried to use a smaller filename ? (to narrow it down)
*> 
*> Yes, but then I don't see the problem, actually I have thousands of rrd
*> files, and it only happends on some 5-10 % of them ... strange ...

a bus error is realy strange ... never had one of these with rrdtool yet ... 

but I do have freebsd here ... so will test soon ...

cheers
tobi

-- 
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/_  __/_  / /  (_) Oetiker, Timelord & SysMgr @ EE-Dept ETH-Zurich
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