How do you power your board? USB or +5V?


2013/10/7 Grigory <g.fishilev...@gmail.com>

> My solution was finally to disable HDMI. Now it works with built-in driver.
>
> Other steps *without success* was:
> - update to current angstrom image
> - compile rtl8192cu from source
> - attach usb dongle with extend. cable
> - disable WPA2, make AP open
>
>
> On Saturday, October 5, 2013 11:27:44 AM UTC+2, Grigory wrote:
>>
>> Hi all,
>>
>> I'm trying to get EDIMAX EW-7811UN to work on my fresh BBB with Angstrom
>> with no success. I choose this adapter because BBB-Wiki says it would *works
>> on Angstrom*.
>>
>> I've read already *all* topics on this group about EDIMAX+BBB and pick
>> this tutorial I've use to compile the driver on BBB by myself: How to
>> install a 
>> rtl8192cu...<http://www.codealpha.net/864/how-to-set-up-a-rtl8192cu-on-the-beaglebone-black-bbb/>
>>  I guess I overlooked something *trivial* and hope somebody may *kick*me to 
>> the right direction.
>>
>> My setup is: ethernet, power supply, edimax dongle. No usb-keyboard, no
>> HDMI. The boards stands on a book, so the usb dongle looks over. An usb
>> cable to extend the distance to BBB I've try as well.
>>
>> dmesg is too big to post here so I've attachted a file, one thing only I
>> see could be the issue:
>>
>> [   16.193417] systemd-udevd[93]: worker [109] terminated by signal 11 (
>> Segmentation fault)
>> [   16.281490] gs_open: ttyGS0 (dd5d3c00,dd58c5c0)
>> [   16.285720] gs_close: ttyGS0 (dd5d3c00,dd58c5c0) ...
>> [   16.285742] gs_close: ttyGS0 (dd5d3c00,dd58c5c0) done!
>> [   16.286023] gs_open: ttyGS0 (dd5d3c00,dd40b540)
>> [   16.308695] systemd-udevd[93]: worker [109] failed while handling
>> '/devices/ocp.3/47400000.usb/**musb-hdrc.0.auto/gadget/net/**usb0'
>> [   16.407298] survey done event(4)
>>
>> otherwise I see in dmesg no trys to connect, to auth or something else ...
>>
>> root@beaglebone:~# *ifup wlan0*
>> Successfully initialized wpa_supplicant
>> ioctl[SIOCSIWAP]: Operation not permitted
>> udhcpc (v1.20.2) started
>> Sending discover...
>> Sending discover...
>> Sending discover...
>> No lease, failing
>>
>>
>> root@beaglebone:~# *iwlist wlan0 scanning*
>> wlan0     Scan completed :
>>           Cell 01 - Address: 50:7E:5D:4F:20:EE
>>                     ESSID:"WLAN-4F2046"
>>                     Protocol:IEEE 802.11bgn
>>                     Mode:Master
>>                     Frequency:2.437 GHz (Channel 6)
>>                     Encryption key:on
>>                     Bit Rates:144 Mb/s
>>                     Extra:rsn_ie=30140100000fac040**
>> 100000fac040100000fac020000
>>                     IE: IEEE 802.11i/WPA2 Version 1
>>                         Group Cipher : CCMP
>>                         Pairwise Ciphers (1) : CCMP
>>                         Authentication Suites (1) : PSK
>>                     IE: Unknown: DD910050F204104A00011010440001**
>> 021041000100103B00010310470010**00000000000000030000507E5D4F20**
>> EE1021000B436F72706F726174696F**6E10230009564756383533394A5710**
>> 240008312E32382E3030301042000A**4A3233373134303237361054000800**
>> 060050F20400011011001457697265**6C65737320526F7574657228574641**
>> 29100800020084103C000103
>>                     Quality=100/100  Signal level=84/100
>>
>> root@beaglebone:~# *ifconfig*
>> eth0      Link encap:Ethernet  HWaddr 90:59:AF:5D:BD:E3
>>           inet addr:192.168.2.101  Bcast:192.168.2.255  Mask:255.255.
>> 255.0
>>           inet6 addr: fe80::9259:afff:fe5d:bde3/64 Scope:Link
>>           inet6 addr: 2003:4c:6d26:ff01:9259:afff:fe**5d:bde3/64 Scope:
>> Global
>>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>>           RX packets:464 errors:0 dropped:1 overruns:0 frame:0
>>           TX packets:222 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:1000
>>           RX bytes:78198 (76.3 KiB)  TX bytes:26424 (25.8 KiB)
>>           Interrupt:56
>>
>>
>> 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:174 errors:0 dropped:0 overruns:0 frame:0
>>           TX packets:174 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:0
>>           RX bytes:13216 (12.9 KiB)  TX bytes:13216 (12.9 KiB)
>>
>>
>> usb0      Link encap:Ethernet  HWaddr 56:5B:87:1D:DF:42
>>           inet addr:192.168.7.2  Bcast:192.168.7.3  Mask:255.255.255.252
>>           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)
>>
>>
>> wlan0     Link encap:Ethernet  HWaddr 80:1F:02:AB:A5:A6
>>           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)
>>
>> root@beaglebone:~# *iwconfig*
>> wlan0     unassociated  Nickname:"<WIFI@REALTEK>"
>>           Mode:Managed  Frequency=2.412 GHz  Access Point: Not-Associated
>>           Sensitivity:0/0
>>           Retry:off   RTS thr:off   Fragment thr:off
>>           Encryption key:off
>>           Power Management:off
>>           Link Quality:0  Signal level:0  Noise level:0
>>           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>>           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
>>
>>
>> lo        no wireless extensions.
>>
>>
>> eth0      no wireless extensions.
>>
>>
>> usb0      no wireless extensions.
>>
>> root@beaglebone:~# *lsusb*
>> Bus 001 Device 002: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un
>> 802.11n Wireless Adapter [Realtek RTL8188CUS]
>> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>>
>> root@beaglebone:~# *lsmod*
>> Module                  Size  Used by
>> ip_tables               8294  0
>> x_tables               15072  1 ip_tables
>> g_multi                55905  2
>> libcomposite           15228  1 g_multi
>> 8192cu                443598  0
>> rfcomm                 25106  0
>> ircomm_tty             14503  0
>> ircomm                  8846  1 ircomm_tty
>> irda                   89974  2 ircomm_tty,ircomm
>> ipv6                  229989  28
>> hidp                   10112  0
>> bluetooth             146100  4 hidp,rfcomm
>> rfkill                 16510  3 bluetooth
>> autofs4                17432  2
>>
>> root@beaglebone:~# *cat /etc/network/interfaces*
>> # /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)
>>
>> # The loopback interface
>> auto lo
>> iface lo inet loopback
>>
>>
>> # Wireless interfaces
>> iface wlan0 inet dhcp
>>  wireless_mode managed
>>  wireless_essid any
>>  wpa-driver wext
>>  wpa-conf /etc/wpa_supplicant.conf
>>
>>
>> iface atml0 inet dhcp
>>
>>
>> # Wired or wireless interfaces
>> auto eth0
>> iface eth0 inet dhcp
>> iface eth1 inet dhcp
>>
>>
>> # Ethernet/RNDIS gadget (g_ether)
>> # ... or on host side, usbnet and random hwaddr
>> iface usb0 inet static
>>  address 192.168.7.2
>>  netmask 255.255.255.0
>>  network 192.168.7.0
>>  gateway 192.168.7.1
>>
>>
>> # Bluetooth networking
>> iface bnep0 inet dhcp
>>
>> root@beaglebone:~# *cat /etc/wpa_supplicant.conf*
>> ctrl_interface=/var/run/wpa_**supplicant
>> ctrl_interface_group=0
>> update_config=1
>>
>>
>> network={
>>         key_mgmt=NONE
>> }
>>
>> root@beaglebone:~# *cat /var/lib/connman/settings*
>> [global]
>> Timeservers=0.angstrom.pool.nt**p.org;1.angstrom.pool.ntp.org;**
>> 2.angstrom.pool.ntp.org;3.**angstrom.pool.ntp.org
>> OfflineMode=false
>>
>>
>> [Wired]
>> Enable=true
>>
>>
>> [WiFi]
>> Enable=true
>>
>>
>> root@beaglebone:~# *cat /var/lib/connman/wifi.config  *
>>
>> [service_home]
>> Type=wifi
>> Name=WLAN-4F2046
>> Security=wpa
>> Passphrase=egalegal
>>
>>
>> I really hope somebody could help me, I'm freaking out since 3 days ...
>>
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