perhaps, the following change can fix your problem.. Pls look into zrp.cc file - for ZRPAgent constructor... Change 1st argument from PT_TCP to PT_ZRP..
- Brijesh oooh god wrote: > > > Hi all, > > I am simulating zrp but it ends with segmentation fault. Other protocols > like AODV, DSR(with slight change in ifq) , TORA and DSDV are simulating > properly with trace file. But only ZRP is not working. I manually made the > changes in the ns-2 code where ever it is asked. If it would have problem > with some code then it should be an error isnt it? > > Anyway i am attaching my simulation result, script and code are the one > which comes with the code from the cornel wnl site. I have not made > changes to zrp code but made to ns-2.29. One more thing...i just replaced > tcp sources to udp and no of nodes are 3. > > I think its problem with RAM. I am using 256 MB RAM so i need suggestion > whether to buy more 256MB. If anyone has done this and has not worked can > let me know. If anyone got success in doing so, please reply to share ok. > > Here is the result. I am also attaching gdb trace, even i tried with break > points..but unable to figure out. It works fine in initial trace...but you > proceed pointer location changes to 0x1 and there it stops by segmentation > fault. In DSR also i had almost same trace but by changing ifq to > CMUPriQueue it worked fine... > > I will be obliged to get information of any sort relating to zrp either > solved or unsolved. > > Thanks > For gdb trace see below. > > irfanjun...@warangal:~/ns-allinone-2.29/ns-2.29> ns > ~/ns_prac/wireless_4.tcl > num_nodes is set 3 > > _ 0_ [0.000000] | Node 0 was created. ! Neighbor Table: empty ! LinkTable: > empty ! Routes empty Periph[] > INITIALIZE THE LIST xListHead > > _ 1_ [0.000000] | Node 1 was created. ! Neighbor Table: empty ! LinkTable: > empty ! Routes empty Periph[] > > _ 2_ [0.000000] | Node 2 was created. ! Neighbor Table: empty ! LinkTable: > empty ! Routes empty Periph[] > Loading connection pattern... > Loading scenario file... > > _ 0_ [0.001019] | Node 0 neighborscan-timer timed out, but neighbor table > is empty. Next scan at 11.001019 sec.! Neighbor Table: empty ! LinkTable: > empty ! Routes empty Periph[] > . > . > . > . > _ 1_ [1.967914] | Node 1 received an ack (seq no. 1) from Node 0. | Node 1 > added new neighbor Node 0, will expire at 16.967914 sec, lastack timer > will expire at 3.967914 sec.| Node 1 sent update (seq no. 2) about new > neighbor Node 0. ! Neighbor Table: 0 ! LinkTable: 0=1 ! Routes [0 1 ] > Periph[] > > _ 0_ [2.062929] | Node 0 received update (seq no. 2) sent from Node 1 > originating from Node 1 (contains: 1=0 ). | Node 0 forwarded update (seq > no. 2) sent from Node 1 originating from Node 1 (contains: 1=0 ). ttl=4! > Neighbor Table: empty ! LinkTable: 1=0 ! Routes [1 0 ] Periph[] > Segmentation fault (core dumped) > irfanjun...@warangal:~/ns-allinone-2.29/ns-2.29> gdb -c core > GNU gdb 6.3 > Copyright 2004 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 "i586-suse-linux". > (no debugging symbols found) > Using host libthread_db library "/lib/tls/libthread_db.so.1". > Core was generated by `ns /home/irfanjunedi/ns_prac/wireless_4.tcl'. > Program terminated with signal 11, Segmentation fault. > #0 0x0805b296 in ?? () > (gdb) file ns > Reading symbols from /home/irfanjunedi/ns-allinone-2.29/ns-2.29/ns...done. > (gdb) bt > #0 0x0805b296 in Packet::access (this=0x1, off=848) at packet.h:381 > #1 0x08220321 in hdr_zrp::access (p=0x1) at zrp.h:112 > #2 0x0821cdcb in ZRPAgent::do_update (this=0x86413a0) at zrp.cc:1123 > #3 0x0821cfa7 in ZRPPeriodicUpdateTimer::handle (this=0x8641458, > e=0x8641460) > at zrp.cc:1110 > #4 0x08053417 in Scheduler::dispatch (this=0x8476880, p=0x8641460, > t=2.3974663605152173) at scheduler.cc:150 > #5 0x08053442 in Scheduler::run (this=0x8476880) at scheduler.cc:129 > #6 0x0805361b in Scheduler::command (this=0x8476880, argc=2, > argv=0xbfbebab0) > at scheduler.cc:198 > #7 0x08269b74 in TclClass::dispatch_cmd () > #8 0x0826d850 in OTclDispatch (cd=<value optimized out>, in=0x84542f8, > argc=3, argv=0xbfbebafc) at otcl.c:434 > #9 0x08271fd7 in TclInvokeStringCommand () > #10 0x08273706 in TclEvalObjvInternal () > #11 0x08299e3d in TclExecuteByteCode () > #12 0x082a027c in TclCompEvalObj () > #13 0x08299f25 in TclExecuteByteCode () > #14 0x082a027c in TclCompEvalObj () > #15 0x082c6ec9 in TclObjInterpProc () > #16 0x082c7292 in TclProcInterpProc () > #17 0x0826d999 in OTclDispatch (cd=<value optimized out>, in=0x84542f8, > argc=2, argv=0xbfbec6ac) at otcl.c:477 > #18 0x08271fd7 in TclInvokeStringCommand () > #19 0x08273706 in TclEvalObjvInternal () > #20 0x08299e3d in TclExecuteByteCode () > #21 0x082a027c in TclCompEvalObj () > #22 0x082c6ec9 in TclObjInterpProc () > #23 0x082c7292 in TclProcInterpProc () > #24 0x0826d850 in OTclDispatch (cd=<value optimized out>, in=0x84542f8, > argc=2, argv=0xbfbecf7c) at otcl.c:434 > #25 0x08271fd7 in TclInvokeStringCommand () > #26 0x08273706 in TclEvalObjvInternal () > #27 0x08274f66 in Tcl_EvalEx () > #28 0x082b7373 in Tcl_FSEvalFile () > #29 0x082ba506 in Tcl_Main () > #30 0x0804cf17 in main (argc=2, argv=0xbfbed5f4) at tclAppInit.cc:67 > (gdb) > > > > > --------------------------------- > Sponsored Link > > Degrees online in as fast as 1 Yr - MBA, Bachelor's, Master's, Associate - > Click now to apply > > -- View this message in context: http://www.nabble.com/suggestion-zrp-segmentation-fault..-tp7296587p22139786.html Sent from the ns-users mailing list archive at Nabble.com.
