From: David Miller <davem@davemloft.net>
To: mpm@selenic.com
Cc: bonbons@linux-vserver.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH, resend] netconsole: take care of NETDEV_UNREGISTER event
Date: Fri, 01 May 2009 15:24:29 -0700 (PDT) [thread overview]
Message-ID: <20090501.152429.110153503.davem@davemloft.net> (raw)
In-Reply-To: <1241110115.938.1603.camel@calx>
From: Matt Mackall <mpm@selenic.com>
Date: Thu, 30 Apr 2009 11:48:35 -0500
> On Thu, 2009-04-30 at 08:45 +0200, Bruno Prémont wrote:
>> When netconsole is loaded and a network interface fades away (e.g. on
>> rmmod $interface_driver_module) the rmmod remains stuck and some locks
>> are taken that prevent any additional module loading/unloading as well
>> as interface up/down changes.
>> In addition kernel logs (and console) get flooded at 10s interval with
>>
>> [ 122.464065] unregister_netdevice: waiting for eth0 to become free. Usage count = 1
>> [ 132.704059] unregister_netdevice: waiting for eth0 to become free. Usage count = 1
>>
>> This patch lets netconsole take NETDEV_UNREGISTER event into account
>> and release the affected interface if it was in use.
>>
>> Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
>
> Acked-by: Matt Mackall <mpm@selenic.com>
Applied, thanks everyone.
prev parent reply other threads:[~2009-05-01 22:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-29 20:37 [PATCH] " Bruno Prémont
2009-04-29 20:56 ` Bruno Prémont
2009-04-29 21:44 ` David Miller
2009-04-30 6:45 ` [PATCH, resend] " Bruno Prémont
2009-04-30 16:48 ` Matt Mackall
2009-05-01 22:24 ` David Miller [this message]
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