i'm here again...i have been testing more and i get the same problem. I noticed that i can't install b43 firmware by restricted driver on adminstration menu...i installed it manually. here there are the outputs:
Linux ruggiero-laptop 2.6.27-3-generic #1 SMP Wed Sep 10 16:02:00 UTC 2008 i686 GNU/Linux ** Attachment added: "lspci-vvnn.log" http://launchpadlibrarian.net/17610117/lspci-vvnn.log -- b43 and bcm94311 works random and doesn't connect far away of some meter from access point https://bugs.launchpad.net/bugs/263106 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