login: panic: softclock: invalid to_clock: -2130566319 Starting stack trace... panic(ffffffff82fdae1b) at panic+0x1d0 sys/kern/subr_prf.c:229 softclock(0) at softclock+0x2b6 sys/kern/kern_timeout.c:756 softintr_dispatch(0) at softintr_dispatch+0xf6 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1219 sched_idle(ffffffff834c5ff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: 251 End of stack trace.