From: Stephen Hemminger <shemminger@vyatta.com>
To: David Miller <davem@davemloft.net>
Cc: herbert@gondor.hengli.com.au, netdev@vger.kernel.org
Subject: Re: unintended ipv4 broadcast policy change
Date: Fri, 24 Jun 2011 10:01:21 -0700 [thread overview]
Message-ID: <20110624100121.63bbc93a@nehalam.ftrdhcpuser.net> (raw)
In-Reply-To: <20110623.140821.674961342350404546.davem@davemloft.net>
On Thu, 23 Jun 2011 14:08:21 -0700 (PDT)
David Miller <davem@davemloft.net> wrote:
> From: Stephen Hemminger <shemminger@vyatta.com>
> Date: Thu, 23 Jun 2011 17:01:37 -0400
>
> > Standard Debian stable (Squeeze) installation.
> > $ dpkg -S /sbin/dhclient
> > isc-dhcp-client: /sbin/dhclient
>
> I bet what happens is that since it isn't reading from
> the AF_PACKET socket the receive queue just fills up
> and it's just in the kernel dropping packets in
> packet_spkt_rcv().
I don't think that is correct, just instrumented /proc/net/packet
to add receive queue length is stuck at 0. The packets are getting
dropped somewhere else.
sk RefCnt Type Proto Iface R Rmem User Inode Count
ffff880327038000 3 10 0003 3 1 0 0 5881 0
next prev parent reply other threads:[~2011-06-24 17:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-22 23:39 unintended ipv4 broadcast policy change David Miller
2011-06-23 0:41 ` Herbert Xu
2011-06-23 2:41 ` David Miller
2011-06-23 5:41 ` David Miller
2011-06-23 0:42 ` David Miller
2011-06-23 15:16 ` Stephen Hemminger
2011-06-23 20:45 ` David Miller
2011-06-23 21:01 ` Stephen Hemminger
2011-06-23 21:08 ` David Miller
2011-06-24 17:01 ` Stephen Hemminger [this message]
2011-06-24 19:54 ` David Miller
2011-06-25 0:27 ` Herbert Xu
2011-06-25 0:28 ` David Miller
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