linux-kernel - Re: cannot set IP for ethernet

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Message-ID: <466FD439.2040807@trash.net>
Date:	Wed, 13 Jun 2007 13:25:45 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Oliver Neukum <oliver@...kum.org>
CC:	linux-kernel@...r.kernel.org,
	Linux Netdev List <netdev@...r.kernel.org>,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: cannot set IP for ethernet

Oliver Neukum wrote:
> Am Mittwoch, 13. Juni 2007 schrieb Patrick McHardy:
>>>>
>>>>This can happen if the initial inetdev allocation when the netdevice is
>>>>registered fails. I think it would make sense to try to allocate again
>>>>when adding addresses in that case, otherwise there is no way of
>>>>recovery other than unregistering and registering the device again.
>>>
>>>
>>>With your patch the problem has gone away. Is there a way to especially
>>>stress the system in that regard?
>>
>>
>>Its a failed allocation at NETDEV_REGISTER time. I guess you could
>>keep unloading + reloading the driver module to try to reproduce it.
> 
> 
> If that is the cause, why doesn't it strike from the very beginning? How
> come it fails after some time?


It might also be a failed in_ifaddr allocation. In that case my patch
shouldn't help though.
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