Open On-Chip Debugger 0.10.0+dev-01035-g60aaf148-dirty (2020-01-26-17:21)
Licensed under GNU GPL v2
For bug reports, read
        http://openocd.org/doc/doxygen/bugs.html
Info : BCM2835 GPIO JTAG/SWD bitbang driver
Info : JTAG and SWD modes enabled
Info : clock speed 4061 kHz
Info : SWD DPIDR 0x2ba01477
Info : efm32.cpu: hardware has 6 breakpoints, 4 watchpoints
Error: efm32.cpu -- clearing lockup after double fault
Polling target efm32.cpu failed, trying to reexamine
Info : efm32.cpu: hardware has 6 breakpoints, 4 watchpoints
Info : Listening on port 3333 for gdb connections
target halted due to debug-request, current mode: Thread
xPSR: 0x01000000 pc: 0x0fe10000 msp: 0x20000400
Info : detected part: EFR32MG1P Mighty Gecko, rev 161
Info : flash size = 256kbytes
Info : flash page size = 2048bytes
Info : detected part: EFR32MG1P Mighty Gecko, rev 161
Info : flash size = 256kbytes
Info : flash page size = 2048bytes
Info : detected part: EFR32MG1P Mighty Gecko, rev 161
Info : flash size = 256kbytes
Info : flash page size = 2048bytes
Info : detected part: EFR32MG1P Mighty Gecko, rev 161
Info : flash size = 256kbytes
Info : flash page size = 2048bytes
Error: flash write algorithm aborted by target
Error: flash write failed at address 0x20000000
Error: invalid flash memory write address
Error: error writing to flash at address 0x20000000 at offset 0x00000000