Hi.

While testing latest osmo-trx in multi-trx mode I've noticed following errors:

sudo chrt -r 99 ./Transceiver52M/osmo-trx -c 2 -x -m

linux; GNU C++ version 6.2.0 20161005; Boost_106100; UHD_003.009.006-release

opening configuration table from path :memory:
Info: SSE3 support compiled in and supported by CPU
Info: SSE4.1 support compiled in and supported by CPU

Config Settings
   Log Level............... NOTICE
   Device args.............
   TRX Base Port........... 5700
   TRX Address............. 127.0.0.1
   Channels................ 2
   Tx Samples-per-Symbol... 4
   Rx Samples-per-Symbol... 4
   EDGE support............ Disabled
   Reference............... External
   C0 Filler Table......... Disabled
   Multi-Carrier........... Enabled
   Tuning offset........... 0
   RSSI to dBm offset...... 0
   Swap channels........... 0

-- Detected Device: B210
-- Operating over USB 2.
-- Initialize CODEC control...
-- Initialize Radio control...
-- Performing register loopback test... pass
-- Performing register loopback test... pass
-- Performing CODEC loopback test... pass
-- Performing CODEC loopback test... pass
-- Asking for clock rate 16.000000 MHz...
-- Actually got clock rate 16.000000 MHz.
-- Performing timer loopback test... pass
-- Performing timer loopback test... pass
-- Setting master clock rate selection to 'automatic'.
-- Asking for clock rate 51.200000 MHz...
-- Actually got clock rate 51.200000 MHz.
-- Performing timer loopback test... pass
-- Performing timer loopback test... pass
-- Setting B200/B210 4 SPS Multi-ARFCN
-- Transceiver active with 2 channel(s)
NOTICE 139729930782464 12:59:47.8 Transceiver.cpp:794:driveControl: Changing 
TSC from
0 to 7
NOTICE 139729930782464 12:59:47.8 Transceiver.cpp:243:start: Starting the 
transceiver
NOTICE 139729930749696 12:59:48.0 Transceiver.cpp:794:driveControl: Changing 
TSC from
7 to 7

ALERT 139729930749696 12:59:48.0 UHDDevice.cpp:611:setRxGain: Requested 
non-existent
channel 1
ALERT 139729930749696 12:59:48.0 UHDDevice.cpp:611:setRxGain: Requested 
non-existent
channel 1

...

This doesn't seem to have any visible effect but still makes me wonder what's 
going
on here? If this is indeed critical error than what exactly is broken and how 
to test
it? If it's smth which could be safely ignored than why it's reported with alert
priority?

Any help clarifying it would be appreciated.

-- 
Max Suraev <[email protected]> http://www.sysmocom.de/
======================================================================= 
* sysmocom - systems for mobile communications GmbH
* Alt-Moabit 93 
* 10559 Berlin, Germany
* Sitz / Registered office: Berlin, HRB 134158 B 
* Geschaeftsfuehrer / Managing Director: Harald Welte 




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