I had exactly the same problem too on 15.10. Restarting the iwlwifi kernel module fixed it, but that's not ideal.
My machine is a thinkpad x1 carbon (3rd generation) and device is a Intel 7265D wifi device. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1570595 Title: Intel 7265 wifi drops and won't reconnect To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570595/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs