I have a number of individuals using the same hardware setup and a common VM configuration with the SEGGER toolchain installed. Our debugging setup uses the J-Link GDB server, which is initiated using the command
For the first few weeks, this was working for everyone. Starting recently, a team of two reported that their SWO output was blank, despite running code that was previously working. Both individuals are using the same common Ubuntu 20.04 VM setup, running in VMWare Fusion on a Mac laptop. We have tried completely re-flashing the target board to stock firmware, we've tried upgrading the J-Link firmware, we've tried downgrading the J-Link firmware, we've tried using all of the SWOViewer variants, we've tried re-installing the original VM image, we've tried re-installing VMWare, and they still get no SWO output.
Any suggestions? Is the target board faulty? Is the J-Link faulty? I'll consider all suggestions.
JLinkGDBServer -device nRF52840_xxAA -endian little -if SWD -speed 4000 and a SWO output in a separate window that is initiated using the command JLinkSWOViewer_CL -device nRF52840_xxAA -cpufreq 64000000 -swofreq 4000000.For the first few weeks, this was working for everyone. Starting recently, a team of two reported that their SWO output was blank, despite running code that was previously working. Both individuals are using the same common Ubuntu 20.04 VM setup, running in VMWare Fusion on a Mac laptop. We have tried completely re-flashing the target board to stock firmware, we've tried upgrading the J-Link firmware, we've tried downgrading the J-Link firmware, we've tried using all of the SWOViewer variants, we've tried re-installing the original VM image, we've tried re-installing VMWare, and they still get no SWO output.
Any suggestions? Is the target board faulty? Is the J-Link faulty? I'll consider all suggestions.