linux-kernel - Re: netconsole regression w/ 8d8fc29d

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Message-ID: <4DF868DE.9000402@redhat.com>
Date:	Wed, 15 Jun 2011 16:10:06 +0800
From:	Cong Wang <amwang@...hat.com>
To:	Rik van Riel <riel@...hat.com>
CC:	Linux kernel Mailing List <linux-kernel@...r.kernel.org>,
	Neil Horman <nhorman@...hat.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: netconsole regression w/ 8d8fc29d

于 2011年06月15日 15:58, Rik van Riel 写道:
> After commit 8d8fc29d02a33e4bd5f4fa47823c1fd386346093
> (netpoll: disable netpoll when enslave a device), it is
> no longer possible to use netconsole together with bridged
> KVM guests.
>
> I can see why the change looked reasonable from a networking
> point of view, but this has completely disabled netconsole
> functionality for a common KVM use case.
>
> After the change, netconsole refuses to bind to eth0.
>
> Since the bridge interface does not support polling,
> netconsole cannot use that, either.


Bridge does support polling now. :) You can just setup
netconsole on a bridge device.

Thanks.
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