uvm_fault(fffffd8068cbb9b0,110c29a000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800037c07df0,110c29aed8) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800037c07df0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x75f69486aac0, count: -14 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(fffffd805f14e7e0,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd805f14e7c8,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd805f14e7c8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd806a7797c0,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd806a7797c0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003a012cd0) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80003a012cd0) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff8000014d77d0,fffffd806ce61000,ffff80003c426558) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff8000014d77d0,fffffd806ce61e00,fffffd806ce61000,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff8000014d77d0,fffffd806ce61000,ffff80003a012f58,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003c426558,b,ffff80003a0130d8,e,ffff80003a013190) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff80003c426558,ffff80003a013240,ffff80003a013190) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80003a013240) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a013240) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x17e93f99770, count: -15