Hello all,
I'm experiencing an issue while trying to capture modem traces from nRF9160DK with modem firmware 1.3.5 using nRF Util on Ubuntu 20.
I'm using Ubuntu Desktop 20.04.6 LTS with all packages up to date as of right now. I've installed this operating system both within VMWare Workstation 17 Player and on bare metal with the same result.
I have installed the following software:
- Segger J-Link V7.90a (installation through GUI installer)
- nRF-Udev V1.0.1 (installation through GUI installer)
- libusb-1.0 (was already installed)
- nRF Util (made executable and then moved into the Path folder /usr/bin) with the device and trace tool
- Wireshark (from apt)
- nRF Connect Desktop V4.1.2 with Cellular Monitor, Power Profiler, Programmer, Serial Monitor and Toolchain Manager
No matter which output option I choose I always get the same error sometime after I start a modem trace:
But the file in question is present and readable for everyone (output truncated):
For all output methods nothing is captured (either in a file or in Wireshark) even though I've issued AT commands with the nRF Connect Serial Terminal during these attempts.
With the same AT commands I'm able to create a modem trace using nRF Connect Cellular Monitor on the same computer.
The nRF Connect Cellular Monitor was not open during my attempts to capture modem traces with nRF Util.
I have double checked the COM Port with nRF Connect Cellular Monitor.
These are some of the commands I've issued to create a modem trace with nRF Util:
- With output to Wireshark:
In this case I get an additional error right after executing this command:
But disown is present on the system:
Wireshark opens but nothing gets captured.
- With output to a pcapng file:
After nRF Util crashes only a 96 Byte file is left behind. This file does not include any packets.
Here are the AT commands I'm sending to the nRF9160 DK:
The APN I'm using is for a Magenta Austria IoT Sim.
I would appreciate it if someone could assist me with this issue.
Thanks in advance!
regards,
Florian
In a previous version of this ticket I included the error message where I installed and executed nRF Util trace with sudo.