panic: vclean: deadlock
Starting stack trace...
panic(ffffffff830dea7c) at panic+0x1d0 sys/kern/subr_prf.c:229
vclean(fffffd80618a6890,8,ffff800034596078) at vclean+0x482 sys/kern/vfs_subr.c:1065
vgonel(fffffd80618a6890,ffff800034596078) at vgonel+0xec sys/kern/vfs_subr.c:1197
checkalias(fffffd807c440720,0,ffff800000a66c00) at checkalias+0x1ab
ffs_vinit(ffff800000a66c00,ffff80003317a550) at ffs_vinit+0x13d
ffs_vget(ffff800000a66c00,1fd53,ffff80003317a638) at ffs_vget+0x429 sys/ufs/ffs/ffs_vfsops.c:1283
ufs_lookup() at ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd80623e4438,ffff80003317a8b8,ffff80003317a8e8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80003317a888) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
namei(ffff80003317a888) at namei+0x7aa sys/kern/vfs_lookup.c:250
dofstatat(ffff800034596078,ffffff9c,72ce01b9d9b0,72ce01b9ddb0,2) at dofstatat+0xd2 sys/kern/vfs_syscalls.c:2070
syscall(ffff80003317ab00) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80003317ab00) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x72ce01b9de60, count: 244
End of stack trace.