linux-kernel - Re: 2.6.23-rc[68]-mm: network hangs

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Message-Id: <20070929.023510.112596666.davem@davemloft.net>
Date:	Sat, 29 Sep 2007 02:35:10 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	laurent.riffard@...e.fr
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: 2.6.23-rc[68]-mm: network hangs

From: Laurent Riffard <laurent.riffard@...e.fr>
Date: Sat, 29 Sep 2007 11:22:06 +0200

> Could a router problem prevent "ping 127.0.0.1" from working ?

Two things that are new and could cause these problems:

1) We dynamically allocate the loopback device now.

2) We have the network namespace stuff.

Another change in this area is that we do routing cache
garbage collection from a workqueue instead of a timer
but that was a pretty straightforward transformation so
it is not high on my list of "suspects".
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