netdev - Re: Lockup with tun/tap/bridge interface deregistration.

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Message-ID: <20081217122350.GA6480@ff.dom.local>
Date:	Wed, 17 Dec 2008 12:23:50 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Mathieu SEGAUD <mathieu.segaud@...ala.cx>
Cc:	netdev@...r.kernel.org, herbert@...dor.apana.org.au,
	kernel@...too.org
Subject: Re: Lockup with tun/tap/bridge interface deregistration.

On 10-12-2008 15:44, Mathieu SEGAUD wrote:
> Hi,
> 
> we are experiencing some "virtual" network interfaces problem, especially
> with tun/tap devices and with bridges, which occasionally get stuck and
> won't deregister and hang the destroying process for very long time.
...
>  [<c0266b41>] netdev_run_todo+0xf7/0x19d
>  [<f8a7f3c5>] br_del_bridge+0x48/0x4c [bridge]
...
> (This one was obtained with kernel version 2.6.27.4)
> 

I wonder if it's related but since it was originally reported for
2.6.24 kernel, and there was a substantial change around this in dst
code, it would be very interresting to try 2.6.23 for this.

Thanks,
Jarek P.
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