Date: Sun, 27 Sep 2020 19:26:00 -0600 From: Scott Long <scottl@samsco.org> To: rgrimes@freebsd.org Cc: Warner Losh <imp@bsdimp.com>, Benjamin Kaduk <bjkfbsd@gmail.com>, Ian Lepore <ian@freebsd.org>, src-committers <src-committers@freebsd.org>, svn-src-all <svn-src-all@freebsd.org>, svn-src-head <svn-src-head@freebsd.org> Subject: Re: svn commit: r365643 - head/bin/cp Message-ID: <F059E85C-64DE-4317-B65C-92A99FFB51A6@samsco.org> In-Reply-To: <202009262320.08QNKr09056871@gndrsh.dnsmgr.net> References: <202009262320.08QNKr09056871@gndrsh.dnsmgr.net>
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>> normal means before devfs can be mounted. However, several people have >> looked and found no evidence on their system. This means there's something >> special / unique to Rod's setup that's generating them (assuming it isn't a >> simple chroot without devfs). What that is, and how they come to be, hasn't >> been explained in enough detail to reproduce. That's what people are asking >> Rod about: how do we get there? How did it happen? Once we know those >> answers, we can fix it. > > Problem is these are being found in after the fact analysis, > so "getting there" is going to be hard. I'll try to collect > better data such as inode contents and dates and see if I > can correlate that to system install time, or some time during > the systems life time. > > Given what kib, and ian have said I am starting to suspect > that this may be occuring during the install process, the > dates on the null inode and a find of the oldest inode on > the disk should correlate that next time I see one of these. > > If I could easily reroduce it we would not be having > this conversation, it would of been fixed. > I just tested 11.2, 11.4, 12.0, 12.2 releases (or betas), and the most recent 13.0 snapshot. I tested both UFS and ZFS installs to a local disk, used the stock images, default bsdinstall options, stock everything. After each install I mounted the disk onto another system and examined the contents of the root filesystem. In no case did I find any files in the /dev directory. If there were previous bugs with files being written to /dev during install, they’re long gone. I’m going to consider this problem closed and/or unique to Rod and his usage patterns. Any further extraordinary claims will need to be accompanied by extraordinary proof. Thanks, Scotthelp
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