panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff8340dff2) at panic+0x1d0 sys/kern/subr_prf.c:229
ufs_rename(ffff80002a3a3b18) at ufs_rename+0x175f sys/ufs/ufs/ufs_vnops.c:883
VOP_RENAME(fffffd800e9770d8,fffffd807533d2c8,ffff80002a3a3ce8,fffffd800b0390d8,0,ffff80002a3a3c38) at VOP_RENAME+0x137 sys/kern/vfs_vops.c:376
dorenameat(ffff800032bea550,ffffff9c,200000000080,ffffff9c,2000000000c0) at dorenameat+0x3f7 sys/kern/vfs_syscalls.c:3034
syscall(ffff80002a3a3e80) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3a3e80) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746

Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcff38d9eef0, count: 251
End of stack trace.
syncing disks...set $lines = 0
set $maxwidth = 0
show panic
trace
show registers
show proc
ps
show all locks
show malloc
show all pools
machine ddbcpu 0
trace
machine ddbcpu 1
trace