uvm_fault(fffffd8064096c10,d62a9d18000,0,1) at uvm_fault+0x255 sys/uvm/uvm_fault.c:637
upageflttrap(ffff80002c2844c0,d62a9d18c59) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188
usertrap(ffff80002c2844c0) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7c3ca7a06c30, count: -18
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(ffffffff8289573e) at panic+0x17b sys/kern/subr_prf.c:198
vop_generic_badop(ffff800033f43308) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd80641d4600,fffffd8054a877d8) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628
bwrite(fffffd8054a877d8) at bwrite+0x1d3 sys/kern/vfs_bio.c:757
VOP_BWRITE(fffffd8054a877d8) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640
ufs_mkdir(ffff800033f43580) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1165
VOP_MKDIR(fffffd805b466a40,ffff800033f436e0,ffff800033f43710,ffff800033f43610) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
domkdirat(ffff80002a1ff4a0,ffffff9c,7aef2a5f2770,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3077
syscall(ffff800033f43890) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff800033f43890) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7aef2a5f27e0, count: 4
ddb{1}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8289573e) at panic+0x17b sys/kern/subr_prf.c:198
vop_generic_badop(ffff800033f43308) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd80641d4600,fffffd8054a877d8) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628
bwrite(fffffd8054a877d8) at bwrite+0x1d3 sys/kern/vfs_bio.c:757
VOP_BWRITE(fffffd8054a877d8) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640
ufs_mkdir(ffff800033f43580) at ufs_mkdir+0x445 sys/ufs/ufs/ufs_vnops.c:1165
VOP_MKDIR(fffffd805b466a40,ffff800033f436e0,ffff800033f43710,ffff800033f43610) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
domkdirat(ffff80002a1ff4a0,ffffff9c,7aef2a5f2770,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3077
syscall(ffff800033f43890) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff800033f43890) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7aef2a5f27e0, count: -11