linux-kernel - Re: network regression: cannot rename netdev twice

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Message-ID: <4F27CDBC.5020201@suse.cz>
Date:	Tue, 31 Jan 2012 12:17:16 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	Kay Sievers <kay.sievers@...y.org>
CC:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Greg KH <greg@...ah.com>, LKML <linux-kernel@...r.kernel.org>,
	ML netdev <netdev@...r.kernel.org>
Subject: Re: network regression: cannot rename netdev twice

On 01/31/2012 12:13 PM, Kay Sievers wrote:
>>> Does is work, if you rename the devices to something else than ethX?
>>
>> Negative:
>> # ip link set eth0 name krtek
>> # ip link set krtek name jezek
>> RTNETLINK answers: No such file or directory
> 
> This is a command sequence you type manually?

Yea, and it is working with 3.3.0-rc1-next-20120124_64+. Not with
3.3.0-rc1-next-20120131_64+.

> You are sure that userspace is not working in the background,
> triggered by uevents, and comes into your way here?

Note that krtek exists after the first command. But cannot be renamed
further.

thanks,
-- 
js
suse labs
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