What's logged by the kernel? try 'dmesg'


-adrian


On 29 July 2013 09:01,  <sbre...@hotmail.com> wrote:
> Hello
>
> Just recently upgraded to 8.1 and installed the 'urtw' driver for my Netgear 
> WG111v3 USB WLAN card. All fine, systems boots, WLAN card gets IP address, 
> network runs. And then suddenly network connection breaks down. And never 
> recovers. Only reboot helps.
>
> Apparently the WLAN connection moves from 'status: associated' to 'status: no 
> carrier' and stays stuck there.
>
> Is there any way to prevent this? (WLAN signal is OK, put the box next to the 
> AP to test.)
>
> Or, can you recommend a PCI/PCIe card that is proven to work reliably?
>
> Regards
> Balazs
>
> ---
>
> This is how it starts:
>
> nfe0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>         options=8010b<RXCSUM,TXCSUM,VLAN_MTU,TSO4,LINKSTATE>
>         ether 00:26:18:91:13:bc
>         media: Ethernet autoselect (none)
>         status: no carrier
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
>         options=3<RXCSUM,TXCSUM>
>         inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
>         inet6 ::1 prefixlen 128
>         inet 127.0.0.1 netmask 0xff000000
>         nd6 options=3<PERFORMNUD,ACCEPT_RTADV>
> urtw0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
>         ether 00:1b:2f:ce:e2:72
>         media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
>         status: associated
> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>         ether 00:1b:2f:ce:e2:72
>         inet 192.168.1.2 netmask 0xffffff00 broadcast 192.168.1.255
>         media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
>         status: associated
>         ssid "Le Quack" channel 6 (2437 MHz 11g) bssid 00:1e:2a:5e:25:70
>         country US authmode WPA2/802.11i privacy ON deftxkey UNDEF
>         TKIP 3:128-bit txpower 0 bmiss 7 scanvalid 450 bgscan bgscanintvl 300
>         bgscanidle 250 roam:rssi 7 roam:rate 5 protmode CTS roaming MANUAL
>
> And this is how it gets broken and never recovers:
>
> nfe0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>         options=8010b<RXCSUM,TXCSUM,VLAN_MTU,TSO4,LINKSTATE>
>         ether 00:26:18:91:13:bc
>         media: Ethernet autoselect (none)
>         status: no carrier
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
>         options=3<RXCSUM,TXCSUM>
>         inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
>         inet6 ::1 prefixlen 128
>         inet 127.0.0.1 netmask 0xff000000
>         nd6 options=3<PERFORMNUD,ACCEPT_RTADV>
> urtw0: flags=8c43<UP,BROADCAST,RUNNING,OACTIVE,SIMPLEX,MULTICAST> metric 0 
> mtu 2290
>         ether 00:1b:2f:ce:e2:72
>         media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
>         status: associated
> wlan0: flags=8c43<UP,BROADCAST,RUNNING,OACTIVE,SIMPLEX,MULTICAST> metric 0 
> mtu 1500
>         ether 00:1b:2f:ce:e2:72
>         inet 192.168.1.2 netmask 0xffffff00 broadcast 192.168.1.255
>         media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
>         status: no carrier
>         ssid "Le Quack" channel 6 (2437 MHz 11g)
>         country US authmode WPA2/802.11i privacy ON deftxkey UNDEF txpower 0
>         bmiss 7 scanvalid 450 bgscan bgscanintvl 300 bgscanidle 250
>         roam:rssi 7 roam:rate 5 protmode CTS roaming MANUAL
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