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Description of problem: I have a Dell XPS M1330 laptop with an Intel 4965ABGN wireless adapter. I am not using NetworkManager or wpa_supplicant, just a ifcfg-wlan0 file to start the wireless connection. The system is up to date on patches and is running kernel 2.6.24.3-34.fc8. The problem I see is that if the laptop has been used wirelessly in one environment (like at home with an IP like 192.168.1.102) and then I try to use it at work, it will not get an IP address from the DHCP server when it boots. What I see is this: The wireless card is setup, and is ready. dhclient sends a DHCPREQUEST for the old IP it had (which is on the wrong network for the one it needs to be on) The DHCP server sends a DHCPNAK The wireless card goes not ready dhclient tries to send a DHCPDISCOVER but the network is down The last step is repeated a few times until dhclient gives up I've verified on the DHCP server that the DHCP request is seen and the DHCPNAK gets sent (which dhclient notes), and then is not heard from again (none of the DHCPDISCOVER packets get to the DHCP server). If I delete /var/lib/dhclient/dhclient-wlan0.leases file and reboot the system it works fine. dhclient doesn't see an old lease file, and just does the DHCPDISCOVER to get an IP from the DHCP server. Running "/sbin/ifup wlan0" after logging in doesn't work either, but some logging by dhclient ends up in /var/log/messages. I've attached a copy of the dhclient log entries with debugging turned on for iwl4965. Hopefully that will help figure out what is going on. Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. Use system on one wireless network 2. Move to another wireless network and boot system 3. 4965 interface will not have an IP Actual results: Expected results: Additional info:
Created attachment 298462 [details] /var/log/messages entries showing iwl4965 debugging messages and dhclient log entries
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