panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff82868480) at panic+0x16f sys/kern/subr_prf.c:229
ufs_rename(ffff80002d538ee8) at ufs_rename+0x120e
VOP_RENAME(fffffd807efa40d8,fffffd8063760e68,ffff80002d5390b8,fffffd805d337e98,0,ffff80002d539008) at VOP_RENAME+0xf9 sys/kern/vfs_vops.c:370
dorenameat(ffff80002bd114a8,ffffff9c,20000080,ffffff9c,200000c0) at dorenameat+0x2ae sys/kern/vfs_syscalls.c:2998
syscall(ffff80002d539250) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80002d539250) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xbd227589ab0, count: 251
End of stack trace.