Same problem with Kubuntu after upgrade to beta. I'm using iwl3945 driver. Additionally last upgrades causes constant high CPU usage by NetworkManager. If network is configured manually everything seems work fine (except NetworkManager process).
$ ps -eo "pid pcpu comm args" --sort "pcpu" ... 7616 3.3 firefox /usr/lib/firefox-3.0b4/firefox 5641 6.9 Xorg /usr/bin/X -br -nolisten tcp :0 vt7 -auth /var/run/xauth/A:0-mk7PYz 5422 91.2 NetworkManager /usr/sbin/NetworkManager --pid-file /var/run/NetworkManager/NetworkManager.pid
Same problem with Kubuntu after upgrade to beta. I'm using iwl3945 driver.
Additionally last upgrades causes constant high CPU usage by NetworkManager.
If network is configured manually everything seems work fine (except NetworkManager process).
$ ps -eo "pid pcpu comm args" --sort "pcpu" firefox- 3.0b4/firefox xauth/A: 0-mk7PYz NetworkManager --pid-file /var/run/ NetworkManager/ NetworkManager. pid
...
7616 3.3 firefox /usr/lib/
5641 6.9 Xorg /usr/bin/X -br -nolisten tcp :0 vt7 -auth /var/run/
5422 91.2 NetworkManager /usr/sbin/