networking - Ubuntu 12.04 ethernet is not working ( Unclaimed Network) - Ask Ubuntu


i running ubuntu 12.04.5

i upgraded kernel 3.13.0-100-generic install docker engine.

after upgrading kernel, ethernet has stopped working , showing unclaimed network.

 *-network                   description: wireless interface    product: qca9565 / ar9565 wireless network adapter    vendor: qualcomm atheros    physical id: 0    bus info: pci@0000:02:00.0    logical name: wlan0    version: 01    serial: 64:5a:04:3d:8a:f6    width: 64 bits    clock: 33mhz    capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless    configuration: broadcast=yes driver=ath9k driverversion=3.13.0-100-generic firmware=n/a ip=192.168.3.214 latency=0 link=yes multicast=yes wireless=ieee 802.11bgn    resources: irq:17 memory:f7e00000-f7e7ffff memory:f7e80000-f7e8ffff  *-network unclaimed    description: ethernet controller    product: rtl8111/8168/8411 pci express gigabit ethernet controller    vendor: realtek semiconductor co., ltd.    physical id: 0    bus info: pci@0000:03:00.0    version: 0c    width: 64 bits    clock: 33mhz    capabilities: pm msi pciexpress msix vpd bus_master cap_list    configuration: latency=0    resources: ioport:e000(size=256) memory:f7d00000-f7d00fff memory:f0000000-f0003fff

please resolve issue!

@vivek: did upgrade kernel headers module @ time of installing new kernel? if not, may try doing sudo apt-get install linux-headers-$(uname -r). regards


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