r359627 is panicked with 'softdep_setup_blkfree: not free'

[Masachika ISHIZUKA]

>>>>>    I'm using r359627M. (r359627 with mount_udf2).
>>>>>    It is panicked with 'softdep_setup_blkfree: not free'.
> 
> Recently I've started observing issues like this too. For example, today

  As it was good working on r359197M, I'm booted old kernel(r359197M).
% uname -UKa
FreeBSD carrot.ish.org 13.0-CURRENT FreeBSD 13.0-CURRENT #1 r359197M: Sun Mar 22 12:34:40 JST 2020     ishizuka at okra.ish.org:/usr/altlocal/freebsd-current/obj/usr/altlocal/freebsd-current/src/amd64.amd64/sys/GENERIC  amd64 1300084 1300088

  Although it is mismatch with kernel version and userland version,
it's good working.
  I'll use this old kernel for a while.
-- 
Masachika ISHIZUKA