The work area should be backed up. The flash probe runs an algorithm on the target CPU. The flash is probed during gdb connect if gdb_memory_map is enabled (is enabled by default). Without backup the target memory gets corrupted on gdb connect. Change-Id: I3344b9dc6cbf904d49f3b05ab104b541d1d63422 Signed-off-by: Tomas Vanek <vanekt@fbl.cz> Reviewed-on: https://review.openocd.org/c/openocd/+/7257 Tested-by: jenkins Reviewed-by: Jonathan Bell <jonathan@raspberrypi.com>