panic: vclean: deadlock
Starting stack trace...
panic(ffffffff830a8629) at panic+0x1ba sys/kern/subr_prf.c:229
vclean(fffffd8059719d80,8,ffff8000327f6028) at vclean+0x482 sys/kern/vfs_subr.c:1065
vgonel(fffffd8059719d80,ffff8000327f6028) at vgonel+0xec sys/kern/vfs_subr.c:1197
checkalias(fffffd806c4be0e0,450c,ffff800000a68000) at checkalias+0x1ab
ffs_vinit(ffff800000a68000,ffff80002a562a20) at ffs_vinit+0x13d
ffs_vget(ffff800000a68000,1fd92,ffff80002a562b08) at ffs_vget+0x421 sys/ufs/ffs/ffs_vfsops.c:1283
ufs_lookup() at ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd805bfc5980,ffff80002a562d88,ffff80002a562db8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a562d58) at vfs_lookup+0x8e1 sys/kern/vfs_lookup.c:566
namei(ffff80002a562d58) at namei+0x7aa sys/kern/vfs_lookup.c:250
dofstatat(ffff8000327f6028,ffffff9c,73b5b27d0880,73b5b27d0c80,2) at dofstatat+0xd2 sys/kern/vfs_syscalls.c:2070
syscall(ffff80002a562fd0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x73b5b27d0d30, count: 244
End of stack trace.