Redpitaya Forum

Posted: **Fri Nov 25, 2016 7:07 pm**

Hi,
In the past (probably with 0.94 or 0.95) I have used wifi correctly with my dongle.

In the last month I have unable to use it anymore.

I have reflashed image and I have also purchased the Edimax Dongle.
Same result no WiFi with either dongles and with stable and beta images !!!

Stable image (0.96) with my older dongle:

Code: Select all

lsusb
Bus 001 Device 003: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter

dmesg
[  930.983438] ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 3070, rev 0201 detected
[  931.011684] ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 0005 detected
[  931.012256] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[  931.071830] ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2870.bin'
[  931.074264] ieee80211 phy0: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.29
[  931.479693] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready

Stable image (0.96) with my newer (Edimax EW-7811Un) dongle:

Code: Select all

lsusb
Bus 001 Device 002: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]

ip link
4: wlan0wext: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000

dmesg
[ 1239.937626] rtl8192cu 1-1:1.0 wlan0wext: renamed from wlan0
[ 1240.594075] IPv6: ADDRCONF(NETDEV_UP): wlan0wext: link is not ready

Beta image (0.97-38) with my older dongle:

Code: Select all

lsusb
Bus 001 Device 004: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter

ip link
6: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000

dmesg
[  210.777648] ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 3070, rev 0201 detected
[  210.806531] ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 0005 detected
[  210.807090] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[  210.858988] ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2870.bin'
[  210.864684] ieee80211 phy0: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.29
[  211.263871] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready

uname -a
Linux rp-xxxxxx 4.4.0-xilinx #1 SMP PREEMPT Wed Nov 23 12:16:59 CET 2016 armv7l armv7l armv7l GNU/Linux

Beta image (0.97-38) with my newer (Edimax EW-7811Un) dongle:

Code: Select all

lsusb
Bus 001 Device 002: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]

ip link
4: wlan0wext: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000

dmesg
[  165.921648] rtl8192cu 1-1:1.0 wlan0wext: renamed from wlan0
[  166.582781] IPv6: ADDRCONF(NETDEV_UP): wlan0wext: link is not ready

Beta image (0.97-38) after apt-get update plus apt-get dist-upgrade and with my older dongle:

Code: Select all

lsusb
Bus 001 Device 002: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter

ip link
4: wlx000xxxxxxxxx: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000

dmesg
[   81.467867] ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 3070, rev 0201 detected
[   81.496112] ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 0005 detected
[   81.496697] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[   81.539837] rt2800usb 1-1:1.0 wlx000xxxxxxxxx: renamed from wlan0

xxxxxxxxx = mac address

Beta image (0.97-38) after apt-get update plus apt-get dist-upgrade and my newer (Edimax EW-7811Un) dongle:

Code: Select all

lsusb
Bus 001 Device 003: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]

ip link
5: enxxxxxxxxxxxxx: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000

dmesg
[  265.282625] rtl8192cu 1-1:1.0 enxxxxxxxxxxxxx: renamed from wlan0
 
xxxxxxxxxxxx = mac address

Posted: **Tue Dec 06, 2016 2:16 am**

Rewritten SD with 0.95 and WiFi working again (in AP Mode).

So I give another try with 0.97-38, rewritting it on SD (overwritting 0.95)

Strangly now Network Manager is working (at least with Edimax Dongle, not tried other device), no more "WIFI Dongle is not connected", and I have configured AP Mode, and now WiFi is working.

But after an apt-get update && apt-get dist-upgrade and then a reboot, it returns back not working (no WiFi Ap running and "WIFI Dongle is not connected" message on Network Manager).
Even manually changing interface on hostapd.conf from wlan0wext to enxMacAddress not bring up AP Mode.

So I rewritten another time the SD with 097-38 and wifi is again usable.

Redpitaya Forum

No WiFi anymore with 0.96 and 0.97 firmware

No WiFi anymore with 0.96 and 0.97 firmware

Re: No WiFi anymore with 0.96 and 0.97 firmware