OpenBSC running on an Odroid-XU

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John Baker john at mail.bakerhouse01.com
Wed Sep 17 22:43:11 UTC 2014 

Hi,

I have an Odroid-XU I have setup with Debian Wheezy and a USRP B200. 
After building the UHD drivers from source, I followed the "network from 
scratch" page. I also configured and built osmo-trx with the 
--with-neon-vfpv4 option. Things are running OK, a whole lot better than 
my attempt with OpenBTS actually. I"m able to connect to the network 
with my Samsung S4 phone, but after an hour or so of the BTS running, I 
get a UHD recieved time out error (see below). I wonder what could be 
causing this? I have the B200 plugged into the USB 3.0 port, along with 
external power.

Thanks in advance for any help.


root at odroid-wheezy:~# osmo-trx
linux; GNU C++ version 4.6.3; Boost_104900; UHD_003.007.002-94-ge56809a0

Config Settings
    Log Level............... NOTICE
    Device args.............
    TRX Base Port........... 5700
    TRX Address............. 127.0.0.1
    Channels................ 1
    Samples-per-Symbol...... 1
    External Reference...... Disabled
    C0 Filler Table......... Disabled
    Diversity............... Disabled
    Tuning offset........... 0

-- Loading firmware image: 
/usr/local/share/uhd/images/usrp_b200_fw.hex... done
-- Loading FPGA image: /usr/local/share/uhd/images/usrp_b200_fpga.bin... 
done
-- Operating over USB 3.
-- Detecting internal GPSDO.... No GPSDO found
-- not found
-- Initialize CODEC control...
-- Initialize Radio control...
-- Performing register loopback test... pass
-- Performing CODEC loopback test... pass
-- Asking for clock rate 32.000000 MHz
-- Actually got clock rate 32.000000 MHz
-- Performing timer loopback test... pass
-- Asking for clock rate 26.000000 MHz
-- Actually got clock rate 26.000000 MHz
-- Performing timer loopback test... pass
-- Setting B200 1 SPS
-- Transceiver active with 1 channel(s)
ALERT 3030074464 23:06:10.4 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:10.5 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:10.6 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:10.7 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:10.8 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:10.9 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:11.0 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:11.1 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:11.2 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:11.3 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:11.4 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:11.5 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:11.6 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:11.7 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:11.9 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:12.0 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:12.1 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:12.2 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:12.3 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:12.4 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:12.5 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:12.6 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:12.7 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:12.8 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:12.9 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:13.0 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:13.1 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:13.2 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:13.3 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:13.4 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:13.5 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:13.6 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:13.7 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:13.8 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:13.9 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:14.0 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:14.1 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
ALERT 3030074464 23:06:14.2 UHDDevice.cpp:832:check_rx_md_err: UHD: 
Receive timed out
terminate called after throwing an instance of 'uhd::assertion_error'
   what():  AssertionError: accum_timeout < _timeout
   in uint64_t radio_ctrl_core_3000_impl::wait_for_ack(bool)
   at /root/uhd/host/lib/usrp/cores/radio_ctrl_core_3000.cpp:232

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