Handmatig invullen van een adres heb ik zojuist ook geprobeerd, maar dat werkte ook niet. Op de een of andere manier werkt het nu weer wel, nadat ik de Knetworkmanager een paar keer handmatig op 'automatisch via DHCP een ip-adres verkrijgen' had ingesteld.
Ik heb de systeemlogs er even op nagekeken, en op dat punt staan er de volgende logs:
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     Activation (eth0) Stage 1 of 5 (Device Prepare) complete. 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     Activation (eth0) Stage 1 of 5 (Device Prepare) scheduled... 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     Activation (eth0) Stage 1 of 5 (Device Prepare) started... 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     Activation (eth0) Stage 2 of 5 (Device Configure) complete. 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     Activation (eth0) Stage 2 of 5 (Device Configure) scheduled... 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     Activation (eth0) Stage 2 of 5 (Device Configure) starting... 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     Activation (eth0) Stage 2 of 5 (Device Configure) successful. 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     Activation (eth0) Stage 3 of 5 (IP Configure Start) scheduled. 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     Activation (eth0) Stage 3 of 5 (IP Configure Start) started... 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     Activation (eth0) started... 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     Device eth0 activation scheduled... 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     DHCP daemon state is now 11 (unknown) for interface eth0 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     DHCP daemon state is now 14 (normal exit) for interface eth0 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     SWITCH: no current connection, found better connection 'eth0'. 
09/19/2008 04:18:25 PM   pvhekke   NetworkManager     Will activate connection 'eth0'. 
09/19/2008 04:18:27 PM   pvhekke   dhclient   There is already a pid file /var/run/dhclient.eth0.pid with pid 0
09/19/2008 04:18:27 PM   pvhekke   NetworkManager     Activation (eth0) Beginning DHCP transaction. 
09/19/2008 04:18:27 PM   pvhekke   NetworkManager     Activation (eth0) Stage 3 of 5 (IP Configure Start) complete. 
09/19/2008 04:18:27 PM   pvhekke   NetworkManager     DHCP daemon state is now 12 (successfully started) for interface eth0 
09/19/2008 04:18:28 PM   pvhekke   dhclient   DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 5
09/19/2008 04:18:28 PM   pvhekke   NetworkManager     DHCP daemon state is now 1 (starting) for interface eth0 
09/19/2008 04:18:29 PM   pvhekke   avahi-daemon[5124]   Interface eth0.IPv4 no longer relevant for mDNS.
09/19/2008 04:18:29 PM   pvhekke   avahi-daemon[5124]   Joining mDNS multicast group on interface eth0.IPv4 with address ************.
09/19/2008 04:18:29 PM   pvhekke   avahi-daemon[5124]   Joining mDNS multicast group on interface eth0.IPv4 with address ************.
09/19/2008 04:18:29 PM   pvhekke   avahi-daemon[5124]   Leaving mDNS multicast group on interface eth0.IPv4 with address ***********.
09/19/2008 04:18:29 PM   pvhekke   avahi-daemon[5124]   New relevant interface eth0.IPv4 for mDNS.
09/19/2008 04:18:29 PM   pvhekke   avahi-daemon[5124]   New relevant interface eth0.IPv4 for mDNS.
09/19/2008 04:18:29 PM   pvhekke   avahi-daemon[5124]   Registering new address record for ********** on eth0.IPv4.
09/19/2008 04:18:29 PM   pvhekke   avahi-daemon[5124]   Registering new address record for *********** on eth0.IPv4.
09/19/2008 04:18:29 PM   pvhekke   avahi-daemon[5124]   Withdrawing address record for ************* on eth0.
09/19/2008 04:18:29 PM   pvhekke   dhclient   DHCPACK of ************* from **************
09/19/2008 04:18:29 PM   pvhekke   dhclient   DHCPOFFER of **************** from *************
09/19/2008 04:18:29 PM   pvhekke   dhclient   DHCPREQUEST of ************ on eth0 to 255.255.255.255 port 67
Het lijkt er dus op dat dhclient nu wel iets gedaan heeft, terwijl hij de vorige keren faalde. Begrijpt iemand er iets van? En belangrijker, hoe kan ik voorkomen dat ik bij een volgende keer mijn pc opstarten niet weer hetzelfde probleem ontstaat?