In addition, network manager crashes after connect. this is the log that I found with this command: cat /var/log/daemon.log | grep NetworkManager,
** Attachment added: "Network manager log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/624870/+attachment/1529301/+files/nm%20log.txt -- Very low wifi speed https://bugs.launchpad.net/bugs/624870 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