uvm_fault(fffffd806c14a3f0,715cd2fb000,0,1) at uvm_fault+0x198 sys/uvm/uvm_fault.c:641 upageflttrap(ffff80003c481eb0,715cd2fb008) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c481eb0) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:622 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x75c297f7dd00, count: -13 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(fffffd80612bc458,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd80612bc440,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd80612bc440,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd805fdc2b48,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd805fdc2b48,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c40f170) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80003c40f170) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff8000014dac28,fffffd8062d35d00,ffff8000fffee548) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff8000014dac28,fffffd806be94d00,fffffd8062d35d00,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff8000014dac28,fffffd8062d35d00,ffff80003c40f3f8,0,0,8) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000fffee548,5,ffff80003c40f578,8,ffff80003c40f630) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff8000fffee548,ffff80003c40f6e0,ffff80003c40f630) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80003c40f6e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c40f6e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfdc0e171d50, count: -15