[tkined] Discover Route Core Dumps

From: Graham Smith (graham@smithg.idps.co.uk)
Date: Fri Jun 30 2000 - 21:56:25 MET DST

Having installed and used tkined (1.4.10) and scotty (2.1.10) on standard
installations of Red Hat Linux 6.0 / 6.1 and 6.2 and built a network map of a
selected number of machines which form a small part of our (fairly large)
network, whenever I try and add an additional machine by using discover route I
get a segmentation fault and a core dump. It appears to happen while trying to
add the icons to the diagram, after all the discovery and SNMP stuff has been
done. Has anyone else experienced this problem and more importantly can anyone
shed any light on a possible solution?


Graham Smith

P.S. a traceback in the core dump file yields

(gdb) where
#0 chunk_free (ar_ptr=0x8b66128b, p=0x402d1f30) at malloc.c:3049
#1 0x4023cfba in __libc_free (mem=0x402d1f38) at malloc.c:3023
#2 0x401044aa in Tcl_DStringFree () from /usr/lib/libtcl8.0.so
#3 0x402e10a9 in receive () from /usr/lib/tkined1.4.10.so
#4 0x400f1a7f in Tcl_NotifyChannel () from /usr/lib/libtcl8.0.so
#5 0x4010cc51 in FileHandlerEventProc () from /usr/lib/libtcl8.0.so
#6 0x400fa757 in Tcl_ServiceEvent () from /usr/lib/libtcl8.0.so
#7 0x400faa4f in Tcl_DoOneEvent () from /usr/lib/libtcl8.0.so
#8 0x400368ed in Tk_MainLoop () from /usr/lib/libtk8.0.so
#9 0x4003fd48 in Tk_Main () from /usr/lib/libtk8.0.so
#10 0x80487c1 in main ()
#11 0x401fb9cb in __libc_start_main (main=0x80487a0 <main>, argc=3, argv=0xbffffb04, init=0x80485fc <_init>,
    fini=0x804886c <_fini>, rtld_fini=0x4000ae60 <_dl_fini>,stack_end=0xbffffafc) at ../sysdeps/generic/libc-start.c:92

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