In my case (Ubuntu 14.04 on dell xps13 "Sputnik", kernel 3.13) the wifi performance substantially degraded after the recent linux-firmware update.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1315221 Title: 8086:08b1 (rev 6b) [Dell XPS 13 9333] iwlwifi regularly loses connection/becomes unusable on Intel 7260 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1315221/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs