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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Jan Hinnerk Stosch <janhinnerk.stosch@gmail.com>
Cc: netdev@vger.kernel.org
Subject: Re: regression when connecting to ipv6 localhost
Date: Mon, 15 Oct 2012 00:01:31 +0200	[thread overview]
Message-ID: <1350252091.21172.17257.camel@edumazet-glaptop> (raw)
In-Reply-To: <CAO_aot4RiTbUd=7L5e4btLEeJvgy0B3iswaXo8m3AP2qp9Z0TQ@mail.gmail.com>

On Sun, 2012-10-14 at 23:54 +0200, Jan Hinnerk Stosch wrote:
> 2012/10/14 Eric Dumazet <eric.dumazet@gmail.com>:
> > So ntpd claims to "Listen normally on 4 lo ::1 UDP 123" but lsof doesnt
> > display a socket bound to ::1 port 123
> >
> > So I would say there is a ntpd bug.
> >
> > You could try to strace ntpd from the very beginning of its life, so
> > that we check what it does exactly.
> >
> > service ntp stop
> > strace -o /tmp/STRACE /usr/bin/ntpd -g -u ntp:ntp
> >
> >
> >
> 
> Ok, here is the strace output. I wonder whether this is enough as it
> exits very early - ntp still running though.

Please add -f to follow children

strace -o /tmp/STRACE -f /usr/bin/ntpd -g -u ntp:ntp

  reply	other threads:[~2012-10-14 22:01 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-14 15:38 regression when connecting to ipv6 localhost Jan Hinnerk Stosch
2012-10-14 19:29 ` Eric Dumazet
2012-10-14 19:48   ` Jan Hinnerk Stosch
2012-10-14 19:54     ` Eric Dumazet
2012-10-14 19:57       ` Jan Hinnerk Stosch
2012-10-14 20:25         ` Eric Dumazet
2012-10-14 20:26           ` Eric Dumazet
2012-10-14 20:28             ` Eric Dumazet
2012-10-14 20:39               ` Jan Hinnerk Stosch
2012-10-14 20:45                 ` Eric Dumazet
2012-10-14 20:47                   ` Eric Dumazet
2012-10-14 20:56                     ` Jan Hinnerk Stosch
2012-10-14 21:02                       ` Eric Dumazet
2012-10-14 21:07                 ` Eric Dumazet
2012-10-14 21:21                   ` Jan Hinnerk Stosch
2012-10-14 21:35                     ` Eric Dumazet
2012-10-14 21:54                       ` Jan Hinnerk Stosch
2012-10-14 22:01                         ` Eric Dumazet [this message]
2012-10-14 22:11                           ` Jan Hinnerk Stosch
2012-10-15  5:42                             ` Eric Dumazet
2012-10-15  7:03                               ` Jan Hinnerk Stosch
2012-10-15  7:14                               ` Joe Perches
2012-10-15  7:39                                 ` Eric Dumazet
2012-10-15  7:43                                   ` Eric Dumazet
2012-10-15 11:25                                   ` Joe Perches
2012-10-15 12:31                                     ` Eric Dumazet
2012-10-15 13:10                                       ` Jan Hinnerk Stosch
2012-10-15 13:21                                         ` Eric Dumazet
2012-10-15 13:28                                           ` Jan Hinnerk Stosch
2012-10-16 16:07                                             ` Jan Hinnerk Stosch
2012-10-16 16:43                                               ` Eric Dumazet
2012-10-16 16:55                                                 ` Eric Dumazet
2012-10-16 17:37                                                   ` [PATCH] ipv6: addrconf: fix /proc/net/if_inet6 Eric Dumazet
2012-10-16 18:30                                                     ` Jan Hinnerk Stosch
2012-10-16 18:39                                                       ` David Miller
2012-10-16 22:01                                                       ` Joe Perches
2012-10-16 18:55                                                     ` David Miller
2012-10-15  9:25                               ` regression when connecting to ipv6 localhost Eric Dumazet
2012-10-15 10:32                                 ` Jan Hinnerk Stosch
2012-10-15  9:07                         ` Jan Ceuleers

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