panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff827a7a3e) at panic+0x16f sys/kern/subr_prf.c:229
ufs_rename(ffff80002e472f28) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908
VOP_RENAME(fffffd807a3edd08,fffffd807a3ed060,ffff80002e4730f8,fffffd807a3edd08,0,ffff80002e473048) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370
dorenameat(ffff80002121f328,ffffff9c,200005c0,ffffff9c,200006c0) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994
syscall(ffff80002e473290) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff80002e473290) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xbb12c107a70, count: 251
End of stack trace.