I installed a TP-LINK TL-WN321G USB wireless adapter that uses the Realtek RT2070 chipset. It works perfectly, which seems to confirm this as a kernel/driver issue, not a Network Manager issue. That solves my immediate problem. If the developers need additional information or have a proposed fix, I will be happy to try the WN111v2 ar9170 adapter again.
If anyone else has this problem and wants a cheap fix, Newegg has the TL-WN321G (b/g only, not n) for $11.99 with free shipping to the lower 48. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/779142 Title: ar9170 usb wireless disconnects repeatedly -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs