On 25/4/2012 10:20 πμ, Nikolaos Milas wrote:

> I decided to:
>
> 1. Update CentOS so that it can compile with most recent software
> 2. Upgrade to nfsen 1.3.6p1 and nfdump 1.6.6
>
> So I compiled latest versions and upgraded. I now run the latest
> versions for about 12 hours and it works OK.
>
> I will let you know how it goes.

I am afraid the problem still occurs (but less frequently). I installed 
debugging symbols, and below follows a backtrace from a hang.

Can you please help in resolving the issue? Does this backtrace help?

Thanks,
Nick

=============================================

# gdb /data/nfsen/bin/nfsend 13540
GNU gdb (GDB) CentOS (7.0.1-42.el5.centos)
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
"/data/nfsen/bin/nfsend": not in executable format: File format not 
recognized
Attaching to process 13540
...
/Reading symbols...
...
/ (gdb) continue
Continuing.
/Detaching after fork from child process xxxxx.
Detaching after fork from child process yyyyy.
Detaching after fork from child process zzzzz./
...
Program received signal SIGPIPE, Broken pipe.
0x00000036e040df15 in __libc_send (fd=4, buf=0x473f250, n=12, flags=0) 
at ../sysdeps/unix/sysv/linux/x86_64/send.c:28
28          return INLINE_SYSCALL (sendto, 6, fd, buf, n, flags, NULL, 
NULL);
(gdb) backtrace full
#0  0x00000036e040df15 in __libc_send (fd=4, buf=0x473f250, n=12, 
flags=0) at ../sysdeps/unix/sysv/linux/x86_64/send.c:28
         oldtype = <value optimized out>
         result = <value optimized out>
#1  0x00000036e18cf063 in Perl_pp_send (my_perl=0x3bc4010) at pp_sys.c:1934
         sp = <value optimized out>
         mark = 0x3caa498
         origmark = 0
         targ = 0x468c000
         gv = 0x4717f30
         io = 0x4727fe0
         bufsv = 0x468bfd0
         buffer = 0x473f250 ".timeout=10\n"
         length = <value optimized out>
         retval = <value optimized out>
         blen = 12
         mg = <value optimized out>
#2  0x00000036e188a39e in Perl_runops_standard (my_perl=0x3bc4010) at 
run.c:37
No locals.
#3  0x00000036e18380ba in S_run_body (my_perl=0x3bc4010) at perl.c:2372
No locals.
#4  perl_run (my_perl=0x3bc4010) at perl.c:2289
         oldscope = 1
         ret = <value optimized out>
         cur_env = {je_prev = 0x3bc42a8, je_buf = {{__jmpbuf = 
{140733567184264, 8312953106376043799, 0, 140733567184256, 0, 0, 
8313070080049120900,
                 8312953287326650575}, __mask_was_saved = 0, 
__saved_mask = {__val = {11, 235712106880, 0, 0, 0, 62673248, 62668816, 
62668816, 140733567184256,
                   62673248, 62668816, 235712042554, 0, 62669480, 0, 
140733567184264}}}}, je_ret = 0, je_mustcatch = 0 '\000'}
#5  0x00000000004017bc in main (argc=3, argv=0x7fff1647ad88, env=<value 
optimized out>) at perlmain.c:99
         exitstatus = -32

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