Hi Marcus, I tried to wait 1 minute before starting a new test and it has no impact. Here are the logs displayed by GNU Radio of 2 successive tests, the first was successfull and the second launched 1 minute later failed.
1st TEST (successful) : > Generating: '/home/davidfernandes/tests_gnuradio/tutoriel_usrp_gnu.py' > > Executing: /usr/bin/python3 -u > /home/davidfernandes/tests_gnuradio/tutoriel_usrp_gnu.py > > Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use > QT_QPA_PLATFORM=wayland to run on Wayland anyway. > > \[INFO\] \[UHD\] linux; GNU C++ version 11.3.0; Boost_107400; > UHD_4.1.0.6-0-g1a5b4fd2 > > \[INFO\] \[X300\] X300 initialization sequence... > > \[INFO\] \[X300\] Maximum frame size: 1472 bytes. > > \[INFO\] \[X300\] Radio 1x clock: 200 MHz > > \[WARNING\] \[MULTI_USRP\] Could not set RX rate to 0.280 MHz. Actual rate is > 0.279 MHz > > \[WARNING\] \[MULTI_USRP\] Could not set RX rate to 0.280 MHz. Actual rate is > 0.279 MHz > > \[WARNING\] \[MULTI_USRP\] Could not set TX rate to 0.280 MHz. Actual rate is > 0.279 MHz > > \[WARNING\] \[MULTI_USRP\] Could not set TX rate to 0.280 MHz. Actual rate is > 0.279 MHz > > \[WARNING\] \[0/Radio#0\] Attempting to set tick rate to 0. Skipping. > > \[WARNING\] \[0/Radio#1\] Attempting to set tick rate to 0. Skipping. > > \[WARNING\] \[0/Radio#1\] Attempting to set tick rate to 0. Skipping. > > \[WARNING\] \[0/Radio#0\] Attempting to set tick rate to 0. Skipping. > > >>> Done 2nd TEST started 1 minute later (Failed) : > Generating: '/home/davidfernandes/tests_gnuradio/tutoriel_usrp_gnu.py' > > Executing: /usr/bin/python3 -u > /home/davidfernandes/tests_gnuradio/tutoriel_usrp_gnu.py > > Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use > QT_QPA_PLATFORM=wayland to run on Wayland anyway. > > \[INFO\] \[UHD\] linux; GNU C++ version 11.3.0; Boost_107400; > UHD_4.1.0.6-0-g1a5b4fd2 > > \[INFO\] \[X300\] X300 initialization sequence... > > \[INFO\] \[X300\] Maximum frame size: 1472 bytes. > > \[INFO\] \[X300\] Radio 1x clock: 200 MHz > > \[WARNING\] \[MULTI_USRP\] Could not set RX rate to 0.280 MHz. Actual rate is > 0.279 MHz > > \[WARNING\] \[MULTI_USRP\] Could not set RX rate to 0.280 MHz. Actual rate is > 0.279 MHz > > \[WARNING\] \[MULTI_USRP\] Could not set TX rate to 0.280 MHz. Actual rate is > 0.279 MHz > > \[WARNING\] \[MULTI_USRP\] Could not set TX rate to 0.280 MHz. Actual rate is > 0.279 MHz > > \[WARNING\] \[0/Radio#1\] Attempting to set tick rate to 0. Skipping. > > \[WARNING\] \[0/Radio#0\] Attempting to set tick rate to 0. Skipping. > > \[WARNING\] \[0/Radio#0\] Attempting to set tick rate to 0. Skipping. > > \[WARNING\] \[0/Radio#1\] Attempting to set tick rate to 0. Skipping. > > >>> Done I see no difference betwen the logs of a successful test and the logs of a failed test. The version of UHD is UHD_4.1.0.6-0. Thanks again for your support.
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