Uninstall network-manager takes no effect, but upgrade to 2.6.20-11 resolve the issue on acer Extensa 4101.
nice job... thx... -- Kernel 2.6.20 reboots instead of shutting down https://launchpad.net/bugs/71040 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs