Hello,
> Martin, I don't know how you're capturing this, but it's all but impossible
> to read w/o the line breaks...
with script, have seen the mail is a mess, sorry.
> What I see is this:
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 6151 (LWP 9821)] 0x40275f72 in pcap_snapshot () from
> /home/martin/temp/ntop-cvs/ntop/.libs/libntop-2.1.so.52
>
> and
>
> #0 0x40275f72 in pcap_snapshot () from
> /home/martin/temp/ntop-cvs/ntop/.libs/libntop-2.1.so.52 No symbol table info
> available.
>
> #1 0x40276969 in pcap_compile () from
> /home/martin/temp/ntop-cvs/ntop/.libs/libntop-2.1.so.52 No symbol table info
> available.
>
> #2 0x0804d005 in doChangeFilter (len=26) at admin.c:637
> len = 1076605344
> i = 1
> idx = 26
> badChar = 0
> fcode = {bf_len = 14, bf_insns = 0x861ae58}
> currentFilterExpressionSav = 0x8462858 ""
> buf = "<B>\000...
> postData = "filter\000host+193.16.118.209", '\000' <repeats 229 times>
> key = 0xbedfe95c "\016"
> err = 0x0
>
> So, questions:
>
> 1. It dies when you change the pcap filter, correct?
Yes. At the moment i press the submit button.
>
> 2. What version of libpcap and where did you get it?
It is a SuSE8.0 with libpcap-0.6.2-202
>
> 3. Using gdb do some prints so we can see what you're changing it TO. Also,
> I guess it would be useful to see the values of the other variables in that
> piece of code:
>
> for(i=0; i<myGlobals.numDevices; i++) {
> if((!myGlobals.device[i].virtualDevice)&&(err==NULL)) {
> if((pcap_compile(myGlobals.device[i].pcapPtr, &fcode,
> myGlobals.currentFilterExpression, 1,
> myGlobals.device[i].netmask.s_addr) < 0)
>
> (gdb) print i
> (gdb) print myGlobals.device[i].virtualDevice
> (gdb) print myGlobals.currentFilterExpression
> (gdb) myGlobals.device[i].netmask.s_addr
>
Sorry, but in all my next debuggings i didnot see this "for i" loop.
Have made some Logs available at
http://www.fh-lippe.de/~mad/debug_3.txt
http://www.fh-lippe.de/~mad/debug_4.txt
http://www.fh-lippe.de/~mad/debug_5.txt
Have the same behaviour with the stable version also.
thats it, nice weekend
regards Martin
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:ntop-admin@;unipi.it]On Behalf Of
> > Martin Hierling
> > Sent: Thursday, October 24, 2002 3:44 AM
> > To: NTop Liste
> > Subject: [Ntop] Sig 11 when changing Filter
> >
> >
> > Hi,
> >
> > when i try to change a filter with the browser i get sig11 ;-( (not really
> > me, but ntop). It happens with stable and CVS version.
> >
> > 24/Oct/2002 10:37:35 Changing the kernel (libpcap) filter...
> > 24/Oct/2002 10:37:35 Set filter "host 193.16.xxx.xxx" on myGlobals.device
> > lo.
> > 24/Oct/2002 10:37:35 ntop caught signal 11
> > 24/Oct/2002 10:37:35
> >
> > *****ntop error: Signal(11)
> > 24/Oct/2002 10:37:35
> > backtrace is:
> > 24/Oct/2002 10:37:35 1. /lib/libpthread.so.0 [0x404b3a74]
> > 24/Oct/2002 10:37:35 2. /lib/libc.so.6 [0x40515a38]
> > 24/Oct/2002 10:37:35 3.
> > /home/martin/temp/ntop-cvs/ntop/.libs/libntop-2.1.so.52(pcap_compile+0x7d)
> > [0x40276969]
> > 24/Oct/2002 10:37:35 4. lt-ntop(doChangeFilter+0x325)
> [0x804d005]
> > 24/Oct/2002 10:37:35 5.
> > /home/martin/temp/ntop-cvs/ntop/.libs/libntopreport-2.1.so.52 [0x40040152]
> > 24/Oct/2002 10:37:35 6.
> >
> /home/martin/temp/ntop-cvs/ntop/.libs/libntopreport-2.1.so.52(handleHTTPrequ
> > est+0x270) [0x40042e40]
> > 24/Oct/2002 10:37:35 7.
> > /home/martin/temp/ntop-cvs/ntop/.libs/libntopreport-2.1.so.52 [0x4006e5ed]
> > 24/Oct/2002 10:37:35 8.
> >
> /home/martin/temp/ntop-cvs/ntop/.libs/libntopreport-2.1.so.52(handleWebConne
> > ctions+0x205) [0x4006e2d5]
> > 24/Oct/2002 10:37:35 9. /lib/libpthread.so.0 [0x404b0e67]
> > 24/Oct/2002 10:37:35 10. /lib/libc.so.6(__clone+0x3a)
> [0x405be72a]
> > 24/Oct/2002 10:37:35 Cleaning up...
> > 24/Oct/2002 10:37:35 Waiting until threads terminate...
> > 24/Oct/2002 10:37:36 Received NetFlow packet (len=1464) (deviceId=1)
> > 24/Oct/2002 10:37:39 Freeing hash host instances... (2 device(s) to save)
> > 24/Oct/2002 10:37:39 326 instances freed
> > 24/Oct/2002 10:37:39 Freeing hash host instances... (2 device(s) to save)
> > 24/Oct/2002 10:37:39 0 instances freed
> > 24/Oct/2002 10:37:39 Unloading plugins (if any)...
> > 24/Oct/2002 10:37:39 Thanks for using icmpWatch...
> > 24/Oct/2002 10:37:39 Done.
> > 24/Oct/2002 10:37:39 Thanks for using PDAWatch...
> > 24/Oct/2002 10:37:39 Done.
> > 24/Oct/2002 10:37:39 Thanks for using ntop NetFlow
> > 24/Oct/2002 10:37:39 Done.
> > 24/Oct/2002 10:37:39 Cisco NetFlow exporter terminated.
> >
> >
> > I am starting with:
> > ./ntop --local-subnets "193.16.112.0/255.255.240.0" -K --user
> > martin --interface lo --trace-level 3 -w 127.0.0.1:3000
> >
> > only to mention it.
> >
> > regards Martin
> >
> > --
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