I observe similar behaviour, also with CPU remaining at 100%. Below I used strace(). You can see I needed to kill the process to get rid of it.
======================================================================================= ........lots of lines deleted... access("/usr/share/locale/en_US/LC_SCRIPTS/digikam/digikam.js", R_OK) = -1 ENOENT (No such file or directory) futex(0x1a27210, FUTEX_WAKE, 1) = 1 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 write(12, "\1\0\0\0\0\0\0\0", 8) = 8 futex(0x26f4b5c, FUTEX_WAIT_PRIVATE, 1, NULL ) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGTERM {si_signo=SIGTERM, si_code=SI_USER, si_pid=12285, si_uid=1000} --- +++ killed by SIGTERM +++ luc@canne:~/Documents/tools/rs232$ luc@canne:~/Documents/tools/rs232$ -- Luc Castermans mailto:luc.casterm...@gmail.com