On 2010-Apr-03 08:39:00 +0000, Andriy Gapon <a...@freebsd.org> wrote: >Author: avg >Date: Sat Apr 3 08:39:00 2010 >New Revision: 206129 >URL: http://svn.freebsd.org/changeset/base/206129 > >Log: > vn_stat: take into account va_blocksize when setting st_blksize > > As currently st_blksize is always PAGE_SIZE, it is playing safe to not > use any smaller value. For some cases this might not be optimal, but > at least nothing should get broken.
I haven't verified it but, based on a quick look at the change, I suspect this will trigger the problem in bin/144446. Quick summary: db(3) has restrictions on its internal bucket size but initializes it from st_blksize with no sanity checking and ZFS can report blocksizes outside the allowed bucket size range for db(3). -- Peter Jeremy
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