panic: softclock: invalid to_clock: 262144
Starting stack trace...
panic(ffffffff8285819a) 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
pmap_extract(fffffd805e16d1f8,20b1b230000,ffff80002a242190) at pmap_extract+0x1d3 sys/arch/amd64/amd64/pmap.c:1556
uvm_fault_upper_lookup(ffff80002a242330,ffff80002a242368,0,ffff80002a2422b0) at uvm_fault_upper_lookup+0x139 sys/uvm/uvm_fault.c:860
uvm_fault(fffffd80751d5378,20b1b22c000,0,4) at uvm_fault+0x129 sys/uvm/uvm_fault.c:605
upageflttrap(ffff80002a2424b0,20b1b22c500) at upageflttrap+0x8b sys/arch/amd64/amd64/trap.c:188
usertrap(ffff80002a2424b0) at usertrap+0x227 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7898ed5a18c0, count: 247
End of stack trace.