I don't know if this is a regression or not, this laptop is brand new and I have only ever had Trusty on it.
The same issue happens with the upstream kernel. When I plug in the wifi dongle, this gets printed into dmesg: [ 184.692697] usb 1-2: new high-speed USB device number 10 using xhci_hcd [ 184.894541] usb 1-2: New USB device found, idVendor=148f, idProduct=5370 [ 184.894544] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 184.894546] usb 1-2: Product: 802.11 n WLAN [ 184.894547] usb 1-2: Manufacturer: Ralink [ 184.894548] usb 1-2: SerialNumber: 1.0 [ 185.061190] usb 1-2: reset high-speed USB device number 10 using xhci_hcd [ 185.061244] xhci_hcd 0000:00:14.0: Setup ERROR: setup context command for slot 10. [ 185.061247] usb 1-2: hub failed to enable device, error -22 [ 185.173102] usb 1-2: reset high-speed USB device number 10 using xhci_hcd [ 185.173167] xhci_hcd 0000:00:14.0: Setup ERROR: setup context command for slot 10. [ 185.173170] usb 1-2: hub failed to enable device, error -22 [ 185.285213] usb 1-2: reset high-speed USB device number 10 using xhci_hcd [ 185.312657] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880454231c48 [ 185.312660] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880454231c00 [ 185.312661] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880454231c90 [ 185.312663] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880454231cd8 [ 185.312664] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880454231d20 [ 185.312665] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880454231d68 [ 185.312666] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880454231db0 [ 185.313005] ieee80211 phy3: rt2x00_set_rt: Info - RT chipset 5390, rev 0502 detected [ 185.322718] ieee80211 phy3: rt2x00_set_rf: Info - RF chipset 5370 detected [ 185.322919] ieee80211 phy3: Selected rate control algorithm 'minstrel_ht' ** Tags added: kernel-bug-exists-upstream ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1317862 Title: 148f:5370 [MacBookPro11,1] Suspend breaks network Status in “linux” package in Ubuntu: Confirmed Bug description: Using a 13 inch MBP Retina suspend the machine either by closing the lid or with the menu option. Then resume. All entries from the network indicator have disappeared. The only option selectable is "enable networking" but clicking on that has no effect. Network remains broken. I'm using an external USB Wifi dongle. The behavior is the same whether I unplug it before suspending or not. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-24-generic 3.13.0-24.47 ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: jpakkane 1934 F.... pulseaudio /dev/snd/pcmC1D0p: jpakkane 1934 F...m pulseaudio /dev/snd/controlC0: jpakkane 1934 F.... pulseaudio CurrentDesktop: Unity Date: Fri May 9 14:13:20 2014 EcryptfsInUse: Yes InstallationDate: Installed on 2014-05-06 (2 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64+mac (20140417) MachineType: Apple Inc. MacBookPro11,1 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=0ea9dbdc-336b-45c1-b876-3d2a3f10a020 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-24-generic N/A linux-backports-modules-3.13.0-24-generic N/A linux-firmware 1.127 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/12/2014 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP111.88Z.0138.B07.1402121134 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-189A3D4F975D5FFC dmi.board.vendor: Apple Inc. dmi.board.version: MacBookPro11,1 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-189A3D4F975D5FFC dmi.modalias: dmi:bvnAppleInc.:bvrMBP111.88Z.0138.B07.1402121134:bd02/12/2014:svnAppleInc.:pnMacBookPro11,1:pvr1.0:rvnAppleInc.:rnMac-189A3D4F975D5FFC:rvrMacBookPro11,1:cvnAppleInc.:ct10:cvrMac-189A3D4F975D5FFC: dmi.product.name: MacBookPro11,1 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1317862/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp