I could confirm that i running into the same problem with 8.04 Beta with 2.6.24-14-generic.
For more information please take a look at "[Bug 205653] Hardy beta - laptop randomly freezes with caps lock & scroll lock leds blinking" https://bugs.launchpad.net/bugs/205653 . There is NO problem at all running via the build in wired-LAN. But as soon as I switch back to wireless-LAN my PC will freeze within 20minutes. I switching between Wireless-LAN and Wired-LAN using nm- applet 0.6.6 from http://www.gnome.org/projects/NetworkManager/ the default panel-toolbar in 8.04 Beta. SYMPTOMS: Random hanging leaving [Caps lock] and [Scroll lock] LED-blinking and the screen and mouse are frozen... ...only way out is to reboot by unplugging batteries and power adapter. LEDS: - Num_lock OFF - Caps_lock BLINKING - Scroll_lock BLINKING HW Notebook PC: - Dell Latitude C810 (1GHz, 512MB and build in 32Mb Nvidia graphics) - D-Link DWL-G630 (pc-card Wifi adapter) WHAT IS TRIGGING THIS SYSTEM TO FREEZE?: - Wireless LAN!!! -- Ubunty 7.10 total crash with D-Link DWL-610 when trying to use WEP key https://bugs.launchpad.net/bugs/157519 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs