Asix AX88772B USB 2.0 LAN controller support?

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Asix AX88772B USB 2.0 LAN controller support?

Postby cordierite on Sun Feb 03, 2013 6:45 am

On my new dual-boot Lenovo ThinkPad X1 Carbon ultrabook, the Lenovo USB 2.0 ethernet adapter works fine in Windows 7. When I boot into Mint 14, however, I obtain no network connection. The device appears to be an Asix AX88772B. I installed driver version 4.4.1 from source at asix.com.tw and loaded it using modprobe, but I still have no network connection. I've tried rebooting with and without the device already plugged into usb.

dmesg:
[ 8.096762] usbcore: registered new interface driver asix
...
[ 326.738493] usb 3-2: >new high-speed USB device number 2 using xhci_hcd
[ 326.769276] usb 3-2: >New USB device found, idVendor=17ef, idProduct=7203
[ 326.769286] usb 3-2: >New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 326.769291] usb 3-2: >Product: AX88772B
[ 326.769296] usb 3-2: >Manufacturer: Lenovo
[ 326.769300] usb 3-2: >SerialNumber: 5949CA
[ 326.769939] usb 3-2: >ep 0x82 - rounding interval to 32768 microframes, ep desc says 0 microframes
[ 326.769963] usb 3-2: >ep 0x3 - rounding interval to 32768 microframes, ep desc says 0 microframes

lsusb:
Bus 003 Device 002: ID 17ef:7203 Lenovo

UPDATE: The Lenovo model number is U2L100P-Y1. It seems this support is broken in Ubuntu 12.10 but fixed in 13.04. Anyone have a fix in the meantime?
cordierite
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