Hi,

On Mon, Sep 13, 2010 at 01:02:38PM +0200, Bastian Blank wrote:
> On Mon, Sep 13, 2010 at 12:02:06PM +0200, Erik Auerswald wrote:
> > On Mon, Sep 13, 2010 at 11:54:42AM +0200, Bastian Blank wrote:
> > > On Mon, Sep 13, 2010 at 10:21:40AM +0200, Erik Auerswald wrote:
> > > Which version? There where several different DHCP client implementations
> > > in use over time.
> > All those using the one-shot busybox udhcpc.
> 
> Please be more specific. There is no one-shot busybox udhcpc, except it
> requested.

Yes, my error, the DHCP client in use is dhclient. I did not see any DHCP
client running when the installer hung trying to download packages. I
assumed udhcpc because it was available and it is a busybox environment
in the installer.

So the problem was that the DHCP client exited for some reason.

> > > > The debian installer does not renew a DHCP lease after it has expired.
> > > Possible. This means that the lease time is set to an insane low value.
> > > You could downgrade to request not-expiring bootp leases.
> > No.
> 
> Sure. The installer takes usually less then 30 minutes. So the lease
> have to expire before that. So it is insanely low.

The installer can take an arbitrarily large time, because it waits for user
input and the user might be interrupted.

> > > > network with dynamic ARP inspection[1] this results in loosing the 
> > > > network
> > > > connection during installation.
> > > So you have a infrastructure, that breaks existing things.
> > No, d-i is broken by relying on the assumption that an IP address granted
> > for time t1 is valid for a time t2 > t1.
> 
> Robustness principle. The dhcp spec explicitely requests that new
> clients have to check for the ip to be free before using it.

That's totally unrelated.
-- 
Dipl.-Inform. Erik Auerswald                http://www.fg-networking.de/
auersw...@fg-networking.de Tel: +49-631-4149988-0 Fax: +49-631-4149988-9

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