problem with ethernet connection in lenovo G580 with Qualcomm Atheros AR8162

[Tom H]

On Thu, Jul 17, 2014 at 12:43 PM, som <drsoumalya-distro at yahoo.co.in> wrote:
>
> any idea about this friends?

wlan0 is up and has an ip address.

Are you sure that NM can have both your interfaces up and running
simultaneously?

What's the output of nm-tool?



>> On Tuesday, 8 July 2014 8:54 AM, som <drsoumalya-distro at yahoo.co.in> wrote:
>>
>> i am having a problem with ethernet connection in my lenovo G580 laptop. network
>> manager could not find the ethernet connection even when it is connected to the
>> respective slot. i'll be grateful for any suggestion.
>>
>> ~$ uname -r
>> 3.13.0-30-generic
>> ~$ uname -a
>> Linux som 3.13.0-30-generic #55-Ubuntu SMP Fri Jul 4 21:40:53 UTC 2014 x86_64
>> x86_64 x86_64 GNU/Linux
>> ~$ ifconfig
>> eth0      Link encap:Ethernet  HWaddr 20:89:84:3f:36:3f
>>           UP BROADCAST MULTICAST  MTU:1500  Metric:1
>>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:1000
>>           RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
>>           Interrupt:16
>>
>> lo        Link encap:Local Loopback
>>           inet addr:127.0.0.1  Mask:255.0.0.0
>>           inet6 addr: ::1/128 Scope:Host
>>           UP LOOPBACK RUNNING  MTU:65536  Metric:1
>>           RX packets:439 errors:0 dropped:0 overruns:0 frame:0
>>           TX packets:439 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:0
>>           RX bytes:50566 (50.5 KB)  TX bytes:50566 (50.5 KB)
>>
>> wlan0     Link encap:Ethernet  HWaddr 68:94:23:fa:9a:cf
>>           inet addr:192.168.1.100  Bcast:192.168.1.255  Mask:255.255.255.0
>>           inet6 addr: fe80::6a94:23ff:fefa:9acf/64 Scope:Link
>>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>>           RX packets:2746 errors:0 dropped:0 overruns:0 frame:0
>>           TX packets:3724 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:1000
>>           RX bytes:1034164 (1.0 MB)  TX bytes:472797 (472.7 KB)
>>
>> ~$ sudo lshw -C network
>>
>>   *-network
>>        description: Ethernet interface
>>        product: AR8162 Fast Ethernet
>>        vendor: Qualcomm Atheros
>>        physical id: 0
>>        bus info: pci at 0000:01:00.0
>>        logical name: eth0
>>        version: 10
>>        serial: 20:89:84:3f:36:3f
>>        capacity: 100Mbit/s
>>        width: 64 bits
>>        clock: 33MHz
>>        capabilities: pm pciexpress msi msix bus_master cap_list ethernet
>> physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
>>        configuration: autonegotiation=on broadcast=yes driver=alx latency=0
>> link=no multicast=yes port=twisted pair
>>        resources: irq:45 memory:e0500000-e053ffff ioport:2000(size=128)
>>   *-network
>>        description: Network controller
>>        product: BCM4313 802.11bgn Wireless Network Adapter
>>        vendor: Broadcom Corporation
>>        physical id: 0
>>        bus info: pci at 0000:02:00.0
>>        version: 01
>>        width: 64 bits
>>        clock: 33MHz
>>        capabilities: pm msi pciexpress bus_master cap_list
>>        configuration: driver=bcma-pci-bridge latency=0
>>        resources: irq:17 memory:e0400000-e0403fff
>>   *-network:0 DISABLED
>>        description: Ethernet interface
>>        physical id: 3
>>        logical name: wwan0
>>        serial: 58:2c:80:13:92:63
>>        capabilities: ethernet physical
>>        configuration: broadcast=yes driver=cdc_ncm driverversion=22-Aug-2005
>> firmware=Mobile Broadband Network Device link=no multicast=yes
>>   *-network:1
>>        description: Wireless interface
>>        physical id: 4
>>        logical name: wlan0
>>        serial: 68:94:23:fa:9a:cf
>>        capabilities: ethernet physical wireless
>>        configuration: broadcast=yes driver=brcmsmac
>> driverversion=3.13.0-30-generic firmware=610.812 ip=192.168.1.100 link=yes
>> multicast=yes wireless=IEEE 802.11bgn
>> ~$ lspci -nn | grep 0200
>> 01:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8162 Fast Ethernet
>> [1969:1090] (rev 10)