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From: "Jesper Juhl" <jesper.juhl@gmail.com>
To: "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Cc: "Mark Evans" <evansmp@uhura.aston.ac.uk>,
	"Fred N. van Kempen" <waltje@uWalt.NL.Mugnet.ORG>,
	"Ross Biro" <ross.biro@gmail.com>,
	davem@davemloft.net, yoshfuji@linux-ipv6.org,
	"Ben Greear" <greearb@candelatech.com>,
	netdev@vger.kernel.org
Subject: Unable to halt or reboot due to - unregister_netdevice: waiting for eth0.20 to become free. Usage count = 1
Date: Thu, 31 Aug 2006 17:17:20 +0200	[thread overview]
Message-ID: <9a8748490608310817v7d722f88u167b5a84d0ff67e8@mail.gmail.com> (raw)

Hi,

I've got a small problem with 2.6.18-rc5-git2.

I've got a vlan setup on eth0.20, eth0 does not have an IP.

When I attempt to reboot or halt the machine I get the following
message from the loop in net/core/dev.c::netdev_wait_allrefs() where
it waits for the ref-count to drop to zero.
Unfortunately the ref-count stays at 1 forever and the server never
gets any further.

  unregister_netdevice: waiting for eth0.20 to become free. Usage count = 1

I googled a bit and found that people have had similar problems in the
past and could work around them by shutting down the vlan interface
before the 'lo' interface. I tried that and indeed, it works.

Any idea how we can get this fixed?


-- 
Jesper Juhl <jesper.juhl@gmail.com>
Don't top-post  http://www.catb.org/~esr/jargon/html/T/top-post.html
Plain text mails only, please      http://www.expita.com/nomime.html

             reply	other threads:[~2006-08-31 15:17 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-31 15:17 Jesper Juhl [this message]
2006-08-31 15:30 ` Ben Greear
2006-08-31 15:33   ` Jesper Juhl
2006-09-01  9:59     ` Jesper Juhl
2006-09-01 10:41       ` Herbert Xu
2006-09-01 10:51         ` Jesper Juhl
2006-09-01 11:35           ` Jesper Juhl
2006-09-06 18:01             ` Ben Greear

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