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Message-ID: <3A337DF1.DD9516C7@mandrakesoft.com>
Date: Sun, 10 Dec 2000 07:58:25 -0500
From: Jeff Garzik <jgarzik@mandrakesoft.com>
Organization: MandrakeSoft
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To: Andrew Morton <andrewm@uow.edu.au>
CC: David Brownell <david-b@pacbell.net>, lkml <linux-kernel@vger.kernel.org>,
        "linux-usb-devel@lists.sourceforge.net" 
	<linux-usb-devel@lists.sourceforge.net>,
        Linus Torvalds <torvalds@transmeta.com>,
        "David S. Miller" <davem@redhat.com>
Subject: Re: hotplug mopup
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Andrew Morton wrote:
> - On the unregister/removal path, the netdevice layer ensures that
>   the interface is removed from the kernel namespace prior to launching
>   `/sbin/hotplug net unregister eth0'.
> 
>   This means that when handling netdevice unregistration
>   /sbin/hotplug cannot and must not attempt to do anything with eth0!
>   Generally it'll fail to find an interface with this name.  If it does
>   find eth0, it'll be the wrong one due to a race.

This is not a bug.  'unregister eth0' says to userspace "eth0 just
disappeared."

Read my previous messages on the subject:  Add events like NETDEV_UP,
NETDEV_DOWN, and NETDEV_GOING_DOWN to netdev_event_names[] if you want
to call /sbin/hotplug for other netdev events.

	Jeff


-- 
Jeff Garzik         |
Building 1024       | These are not the J's you're lookin' for.
MandrakeSoft        | It's an old Jedi mind trick.
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