problem with ethernet connection in lenovo G580 with Qualcomm Atheros AR8162

[som]

any idea about this friends?



> On Tuesday, 8 July 2014 8:54 AM, som <drsoumalya-distro at yahoo.co.in> wrote:
> > hi,
> 
> 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)
> 
> 
> regards,
> 
> som
> 
> 
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