panic: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk Starting stack trace... panic(ffffffff827c05df) at panic+0x16f sys/kern/subr_prf.c:229 witness_checkorder(ffffffff82d72130,1,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:838 rw_enter_read(ffffffff82d72120) at rw_enter_read+0x87 sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff80002a142290,0) at uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a142290,ffff80002a1422c8,ffff80002a1422f0) at uvm_fault_check+0x3e sys/uvm/uvm_fault.c:672 uvm_fault(ffffffff82d72038,1225d1f000,0,1) at uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a142430,1225d1f620) at kpageflttrap+0x252 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a142430) at kerntrap+0xf3 sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b softclock_process_kclock_timeout(fffffd805aa4df00,0) at softclock_process_kclock_timeout+0x3e sys/kern/kern_timeout.c:676 softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:754 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82c38ff0) at sched_idle+0x41e sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 242 End of stack trace.