From: Grahame Jordan <gbj@theforce.com.au>
To: linux-hotplug@vger.kernel.org
Subject: Re: ifdown not happening
Date: Thu, 07 Jun 2007 01:37:56 +0000 [thread overview]
Message-ID: <46676174.3040605@theforce.com.au> (raw)
In-Reply-To: <46675843.1060804@theforce.com.au>
Hi,
strace on "ifdown usb0" shows that there is still an entry in
/var/run/network/ifstate. If I manually remove the usb0=usb0 entry it
seems to work.
Cheers
Grahame
Grahame Jordan wrote:
> Hi,
>
> I am trying to understand how the udev system works and track down this
> issue on Debian/ubuntu flavors.
> In this case he interfaces are setup as static to remove any blame from
> dhclient.
> This bug:
> https://bugs.beta.launchpad.net/ubuntu/+source/dhcp3/+bug/38140 is
> probably a symptom of this issue.
>
> With a hotplug network interface such as usb0, it seems that upon
> removal "ifdown usb0" does not happen.
> The interface seems to go down OK but when it is plugged back in the
> interface does not come up correctly.
> "ifconfig" shows lo and eth0 but not usb0
> "ifconfig usb0" shows usb0 with no IP Address
> If i do an ifdown usb0; ifup usb0; then everything works.
>
> If I pull out the USB cable and then do an "ifdown usb0" I get an error
> but when I plug bak in the USB cable it comes up OK. So it seeems
> something is still holding on to usb0 after removal.
>
> I need help to debug this issue. Any help appreciated.
>
> Thanks
>
>
> Grahame Jordan
>
>
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prev parent reply other threads:[~2007-06-07 1:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-07 0:58 ifdown not happening Grahame Jordan
2007-06-07 1:37 ` Grahame Jordan [this message]
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