panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
Starting stack trace...
panic(ffffffff828ebc2f) at panic+0x16f sys/kern/subr_prf.c:229
witness_checkorder(ffffffff82e84fb8,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline]
witness_checkorder(ffffffff82e84fb8,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786
__mp_lock(ffffffff82e84db0) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:193 [inline]
__mp_lock(ffffffff82e84db0) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:214 [inline]
__mp_lock(ffffffff82e84db0) at __mp_lock+0xa2 sys/kern/kern_lock.c:142
intr_handler(ffff80002a22b6e0,ffff80000067b300) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539
Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f
Xspllower() at Xspllower+0x1d
mtx_enter_try(ffffffff82e160a0) at mtx_enter_try+0x103
mtx_enter(ffffffff82e160a0) at mtx_enter+0x4e sys/kern/kern_lock.c:266
pool_get(ffffffff82e160a0,9) at pool_get+0xc4 sys/kern/subr_pool.c:579
uvmspace_alloc(0,411ef000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279
vm_impl_init(ffff80002a2ce828,ffff80002a2087d0) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1244