F19: Wireless not working - dhclient not running?

[Mihai T. Lazarescu]

On Tue, Aug 27, 2013 at 06:11:35PM +0100, John Horne wrote:

> On Tue, 2013-08-27 at 18:16 +0200, Mihai T. Lazarescu wrote:
> > On Tue, Aug 27, 2013 at 04:57:04PM +0100, John Horne wrote:
> > 
> > > On Tue, 2013-08-27 at 11:18 -0400, Jared K. Smith wrote:
> > > > On Tue, Aug 27, 2013 at 9:03 AM, Mihai T. Lazarescu <mtlagm at gmail.com>
> > > > wrote:
> > > >         Check also if the MAC and name of the WiFi interface in the
> > > >         user
> > > >         configuration of NetworkManager matches that of the hardware.
> > > > 
> > > > 
> > > > I too would suggest that you double-check that the MAC address -- just
> > > > last week I got the same symptoms from a system where the config files
> > > > thought that the MAC should be one thing, and the actual MAC address
> > > > was different.
> > > >
> > > The wireless adapter hasn't changed, and the same config files
> > > (wpa_supplicant.conf, ifcfg-wlan0) are being used that worked with F17.
> > > 
> > > As said, if I run 'ifdown wlan0 && ifup wlan0' then the interface comes
> > > up. That wouldn't happen if the MAC address was wrong.
> > 
> > MAC is stored in system filed (/etc/...) and user files
> > ($HOME/...).  Check the latter.
> 
> Why?

Because the F19 fresh installation you made aligns the system
files, not user's.

Even if the MAC did not changed, F19 changed interface names:

    https://fedoraproject.org/wiki/Features/SystemdPredictableNetworkInterfaceNames

Since you preserved the user configuration from F17, that is
set for the "old" interface names.  Thus, your network manager
is not finding the new ones, unless you manually check for
and fix the mismatches.

Mihai