panic: softclock: invalid to_clock: 13212056 Starting stack trace... panic(ffffffff828f030a) at panic+0x159 sys/kern/subr_prf.c:229 softclock(0) at softclock+0x1fd sys/kern/kern_timeout.c:759 softintr_dispatch(0) at softintr_dispatch+0xd1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x2c sys/arch/amd64/amd64/bus_space.c:666 acpitimer_delay(3e8) at acpitimer_delay+0x113 acpitimer_read sys/dev/acpi/acpitimer.c:141 [inline] acpitimer_delay(3e8) at acpitimer_delay+0x113 sys/dev/acpi/acpitimer.c:125 pckbc_poll_cmd1(ffff80000002ff00,0,ffff8000341c6e80) at pckbc_poll_cmd1+0x285 pckbc_poll_data1 sys/dev/ic/pckbc.c:148 [inline] pckbc_poll_cmd1(ffff80000002ff00,0,ffff8000341c6e80) at pckbc_poll_cmd1+0x285 sys/dev/ic/pckbc.c:620 pckbc_poll_cmd(ffff80000002ff00,0,ffff8000341c6f3f,1,0,0,40cdebea65076437) at pckbc_poll_cmd+0xfa sys/dev/ic/pckbc.c:692 pckbd_enable(ffff800000683700,1) at pckbd_enable+0xc4 sys/dev/pckbc/pckbd.c:502 wskbdopen(4300,9,2000,ffff80002a62fd50) at wskbdopen+0x1fa wskbd_enable sys/dev/wscons/wskbd.c:810 [inline] wskbdopen(4300,9,2000,ffff80002a62fd50) at wskbdopen+0x1fa wskbd_do_open sys/dev/wscons/wskbd.c:886 [inline] wskbdopen(4300,9,2000,ffff80002a62fd50) at wskbdopen+0x1fa sys/dev/wscons/wskbd.c:868 spec_open(ffff8000341c7058) at spec_open+0x3e3 sys/kern/spec_vnops.c:150 VOP_OPEN(fffffd80702f2518,9,fffffd807f7d7888,ffff80002a62fd50) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138 vn_open(ffff8000341c72a8,9,0) at vn_open+0x452 sys/kern/vfs_vnops.c:177 doopenat(ffff80002a62fd50,ffffff9c,200000c0,8,0,ffff8000341c7450) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126 syscall(ffff8000341c7500) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf425d5d0140, count: 241 End of stack trace.