panic: softclock: invalid to_clock: 1623902 Starting stack trace... panic(ffffffff82854199) at panic+0x16f sys/kern/subr_prf.c:229 softclock(0) at softclock+0x22d sys/kern/kern_timeout.c:759 softintr_dispatch(0) at softintr_dispatch+0xcd sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7ae4af0b1640, count: 253 End of stack trace.