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Wifi Dongle WRL-11713 / Ralink RT5370 chip - Problems

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i can not get any wifi connection with the original equipment
"Wifi Dongle WRL-11713 / Ralink RT5370 chip"
Preferences > Network Connections ...

i have updated (the NAND) to latest pcDuino version, kernel and ubuntu,
$ cat /proc/version
Linux version 3.4.29+ (liaods@linux-server) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-lubuntu5) ) #1 PREEMPT Tue Nov 26 15:20:06 CST 2013

the router i want to connect to is using WPA2-PSK [AES]

i tested:

> sudo dmesg
gives interessting things
> init: isc-dhcp-server main process ended, respwaning
> init: isc-dhcp-server main process (631) termineated with status 1
> init: isc-dhcp-server respawning too fast, stopped

use SystemTools > Synaptic Package Manager
to install missing “lshw”, “lshw-gtk”
> sudo lshw -C network

> sudo lsmod
gives list of loaded modules and i find
> rt5370sta

> sudo modinfo rt5370sta
gives  info about the driver, driver location,
shows description “RT2870 Wireless Lan Linux Driver”

> sudo modinfo rt5370sta | grep 5370
> filename: /lib/modules/3.4.29+/kernel/drivers/net/wireless/rtxx7x/rt5370sta.ko
> alias: usb:v148Fp5370d*dc*dsc*dp*ic*isc*ip*

unplug the Wifi-dongle, wait and plug in again, then check dmesg again
> sudo dmesg
everything nice but it appears
> /home/ubuntu/sunxi-bsp/linux-sunxi/drivers/net/wireless/rtxx7x/common/cmm_asic.c:3004 assert KeyIdx

DHCP problem ?
WPA_supplicant problem ?

What should i do next ...

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the WiFi Dongle WRL-11713
is cheap, so dont expect good results

my router with wifi is located in the staircase,
in the next room to it, 5meters away,
i have full connectivity with my laptop containing chipset Intel® PRO/Wireless 3945ABG – Intel 802.11 a/b/g,
one room further, i am working with pcduino..
the laptop still gets good connectivity,
but the pcDuino with WRL-11713 gets no constant connectivity …
sometimes it sees the SSID from the router and sometimes not.. 
the signal strength isnt contant good..
so i used my Wifi Repeater next to the pcDuino/WRL-11713..
then i got good results..

what does this say?   angry.gif shocked.gif undecided.gif cry.gif  grin.gif

using the tools pcduino comes with are good, 
Pillar_zuo shows howto,
you will not need console to set anything..
WPA2 works too..

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