uvm_fault(fffffd806721b020,ae8e4406000,0,4) at uvm_fault+0x238
upageflttrap(ffff800033f90e30,ae8e44066df) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff800033f90e30) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7807bf7d6560, count: -19
ddb{0}> machine ddbcpu 1
Stopped at      db_enter+0x1c:  addq    $0x8,%rsp
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828571fa) at panic+0x17b sys/kern/subr_prf.c:198
vop_generic_badop(ffff80002a25fab8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8073ae6be0,fffffd80696806d0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628
bwrite(fffffd80696806d0) at bwrite+0x1f1 sys/kern/vfs_bio.c:757
VOP_BWRITE(fffffd80696806d0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640
ufs_mkdir(ffff80002a25fd40) at ufs_mkdir+0x52c sys/ufs/ufs/ufs_vnops.c:1175
VOP_MKDIR(fffffd8068fcc018,ffff80002a25fea0,ffff80002a25fed0,ffff80002a25fdd0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
domkdirat(ffff80002a18e558,ffffff9c,7cd9e797e090,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3069
syscall(ffff80002a260050) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a260050) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7cd9e797e100, count: 4
ddb{1}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828571fa) at panic+0x17b sys/kern/subr_prf.c:198
vop_generic_badop(ffff80002a25fab8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8073ae6be0,fffffd80696806d0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628
bwrite(fffffd80696806d0) at bwrite+0x1f1 sys/kern/vfs_bio.c:757
VOP_BWRITE(fffffd80696806d0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640
ufs_mkdir(ffff80002a25fd40) at ufs_mkdir+0x52c sys/ufs/ufs/ufs_vnops.c:1175
VOP_MKDIR(fffffd8068fcc018,ffff80002a25fea0,ffff80002a25fed0,ffff80002a25fdd0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
domkdirat(ffff80002a18e558,ffffff9c,7cd9e797e090,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3069
syscall(ffff80002a260050) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a260050) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7cd9e797e100, count: -11