On Tue, Oct 6, 2009 at 10:24 PM, Peter Ross <pe...@emailross.com> wrote: > Hi, > > On a system I am trying to backup (winxp running some unknown > firewall) I get weird behaviour; > > sys...@vpil-bashful:~$ ping -c 1 pascal2; ping -c 1 pascal2 > PING pascal2.missioncriticalit.com (10.10.10.76) 56(84) bytes of data. > 64 bytes from pascal2.missioncriticalit.com (10.10.10.76): icmp_seq=1 > ttl=128 time=0.172 ms > > --- pascal2.missioncriticalit.com ping statistics --- > 1 packets transmitted, 1 received, 0% packet loss, time 0ms > rtt min/avg/max/mdev = 0.172/0.172/0.172/0.000 ms > PING pascal2.missioncriticalit.com (10.10.10.76) 56(84) bytes of data. > > --- pascal2.missioncriticalit.com ping statistics --- > 1 packets transmitted, 0 received, 100% packet loss, time 0ms > > As you can see the first ping succeeds but the second fails. As this > is what happens in Lib::CheckHostAlive it incorrectly marks the ping > as failing. > > I applied the following patch to make it work. One simply sleeps for > one second before doing the second ping, in which case it succeeds. > > Regards, > Peter > > --- Lib.pm 2009-10-06 22:16:42.000000000 +0200 > +++ Lib.pm.new 2009-10-06 22:17:50.000000000 +0200 > @@ -963,6 +963,12 @@ > } > > # > + # Sleep for a bit because some systems don't accept two ping requests > + # which are immediately after one another. > + # > + sleep(1); > + > + # > # Do a second ping and get the round-trip time in msec > # > $s = $bpc->cmdSystemOrEval($pingCmd, undef, $args); > I forgot to ask is this best place to send the bug report and the fix?
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