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
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https://bugs.launchpad.net/bugs/1317862
Title:
148f:5370 [MacBookPro11,1] Suspend breaks network
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