panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Starting stack trace... panic(ffffffff825a2db5) at panic+0x16b sys/kern/subr_prf.c:233 witness_checkorder(ffffffff829f3ad8,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff829f38d0) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff829f38d0) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff829f38d0) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd806fa564f0) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd806fa564f0) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd806fa563d8) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff8000211171b8,ffff8000211171c4,3a,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224 icmp6_input(ffff8000211171b8,ffff8000211171c4,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff8000211171b8,ffff8000211171c4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff8000211171b8,ffff8000211171c4,29,0,ffff800000689000) at ip6_input_if+0x920 ipv6_input(ffff800000689000,fffffd8065a43a00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff800000689000,fffffd8065a43a00,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff800000689000,fffffd8065a43a00) at loinput+0x4c sys/net/if_loop.c:238 if_input_process(ffff800000689000,ffff8000211172f8) at if_input_process+0xd2 sys/net/if.c:843 ifiq_process(ffff800000689450) at ifiq_process+0x80 sys/net/ifq.c:773 taskq_thread(ffff80000002c000) at taskq_thread+0xe5 sys/kern/kern_task.c:449 end trace frame: 0x0, count: 242 End of stack trace. syncing disks...57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 giving up