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Dear kc9518,

could you generate a core dump of the floating point exception and send a
stack
trace (load the core dump into gdb and run "bt"; program must compiled with "-
g" option)?

Could you also generate and send a Wireshark trace of the communication?


On Dienstag 18 Januar 2011, kc9518 wrote:
> Dear Sir:
> Thank you for your advice!
> My OS is CentOS5.4.
> I change the sctplib with version 1.0.9 , now the echo_server is working
> fine.But there is a error report when I run the
> http://www.student.nada.kth.se/~u1djajou/SCTP/terminal5.c and
> http://www.student.nada.kth.se/~u1djajou/SCTP/terminal6.c , I run it using
> follow steps: 1 copy terminal5.c to prgrams path
> (sctplib-1.0.9/sctplib/programs /) 2 compile terminal5.c with command
> "gcc terminal5.c sctp_wrapper.c -o terminal5 -L/usr/local/lib -lsctplib" 3
> ./terminal5 192.168.22.116 -i (192.168.22.116 is echo_server's ip) then
> I get a error report
> "sctp_send: internal error !
> Floating point exception"
>
> when I run the terminal6.c follow the same steps, I get a error
> report "sctp_associate: an error occured.
> sctp_associate: an error occured.
> sctp_associate: an error occured.
> sctp_associate: an error occured.
> sctp_associate: an error occured.
> sctp_associate: an error occured.
> sctp_associate: an error occured."
> Could you give me some advice?
> Thank you
>
> 2011-01-18
>
>
>
> kc9518
>
>
>
> 发件人： Michael_T�en
> 发送时间： 2011-01-17 17:01:28
> 收件人： kc9518
> 抄送： discussion
> 主题： Re: [SCTP-Discussion] A question about sctp
>
> On Jan 16, 2011, at 8:21 AM, kc9518 wrote:
> > Dear Sir:
> >
> > I'm very interested in the SCTP example codes you provided in your SCTP
> > �performance and security as follows:
> >
> > Test 3 & 4
> > Client (multiple streams) -
> > http://www.student.nada.kth.se/~u1djajou/SCTP/terminal5.c Client
> > (multiple assoc) -
> > http://www.student.nada.kth.se/~u1djajou/SCTP/terminal6.c Server -
> > http://www.student.nada.kth.se/~u1djajou/SCTP/echo_server.c
> >
> > I compiled the echo_server.c, all is ok.But when I run it, there is a
> > error report as ' Error Info: 13:26:59.782 - setsockopt: IPV6_PKTINFO
> > failed ' .
> >
> > I traced the error, and find that it is reported from the adaptation.c in
> > sctplib (the version is 1.0.4). So I recompiled the sctplib use under
> > command: ./configure --disable-ipv6
> > make
> >
> > But there is another error: adaptation.c:3216: error: 'union sockunion'
> > has no member named 'sin6' Could you give me some advice?
>
> Please retest with the latest version:
> http://www.sctp.de/download/sctplib-1.0.9.tar.gz
> Which OS are you using?
> Best regards
> Michael
>
> > Thank you.
> >
> > 2011-01-16
> > kc9518
> > _______________________________________________
> > sctp-discussion mailing list
> > sctp-discussion AT sctp.de
> > http://www.sctp.de/mailman/listinfo/sctp-discussion

Best regards
--
=======================================================================
Dr. Thomas Dreibholz

University of Duisburg-Essen, Room ES210
Inst. for Experimental Mathematics Ellernstraße 29
Computer Networking Technology Group D-45326 Essen/Germany
-----------------------------------------------------------------------
E-Mail:
dreibh AT iem.uni-due.de
Homepage: http://www.iem.uni-due.de/~dreibh
=======================================================================

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• [SCTP-Discussion] A question about sctp, kc9518, 01/16/2011
  • Re: [SCTP-Discussion] A question about sctp, Michael Tüxen, 01/17/2011
  • Re: Re: [SCTP-Discussion] A question about sctp, kc9518, 01/18/2011
    • Re: [SCTP-Discussion] A question about sctp, Thomas Dreibholz, 01/20/2011
    • Re: Re: [SCTP-Discussion] A question about sctp, kc9518, 01/24/2011
      • Re: [SCTP-Discussion] A question about sctp, Michael Tüxen, 01/24/2011

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