I certainly am.  It has ended up being worthless for me to even start NTOP.
I posted a message to ntop-devl (thinking that was the place for such a 
discussion) well over a week ago, but haven't heard a peep about it.

mlh

From: [email protected] 
[mailto:[email protected]] On Behalf Of Gary Gatten
Sent: Wednesday, June 08, 2011 8:10 AM
To: '[email protected]'
Subject: [Ntop] double free or corruption (fasttop)

I'm getting lots of these - way too many.  I'm running in gdb to catch them; 
4.0.3 with these args:

--ipv4 -n 2 -L -u root -K -b -t 5 --instance Test.Sites -P 
/usr/local/var/ntop-403/TestSites -o -x 65536 -X 95536 -m {several networks 
defined here}  -i none -w 1.1.2.1:3003 -W 1.1.2.1:3004

Seems to be related to address / name resolution:

/ntop-403-mintweaks/lib/libntop-4.0.3.so(dequeueAddress+0x4aa)[0x11d5ea]

(gdb) info stack
#0  0x00c70402 in __kernel_vsyscall ()
#1  0x009b1d80 in raise () from /lib/libc.so.6
#2  0x009b3691 in abort () from /lib/libc.so.6
#3  0x009ea24b in __libc_message () from /lib/libc.so.6
#4  0x009f20f1 in _int_free () from /lib/libc.so.6
#5  0x009f5bc0 in free () from /lib/libc.so.6
#6  0x00129c9c in ntop_safefree (ptr=0xaca140, file=0x178e2c "address.c",
    line=260) at leaks.c:182
#7  0x0011d5ea in dequeueAddress (_i=0x1) at address.c:260
#8  0x00b0349b in start_thread () from /lib/libpthread.so.0
#9  0x00a5a42e in clone () from /lib/libc.so.6



Is anyone else experiencing similar issues?  I have 4.1.0 running also, but 
some features "seem" to be missing from it...

G


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