Date: Fri, 1 Jun 2007 17:28:46 -0400 From: Garance A Drosehn <gad@FreeBSD.org> To: Warner Losh <imp@bsdimp.com>, kris@obsecurity.org Cc: ports@FreeBSD.org, ade@FreeBSD.org Subject: Re: Uggg! Message-ID: <p06240809c286354b9a92@[128.113.24.47]> In-Reply-To: <20070601.131415.74663752.imp@bsdimp.com> References: <20070601083345.GA48323@rot13.obsecurity.org> <10723ADA-FD53-45F8-BDFA-DBD98CBC212E@FreeBSD.org> <20070601170514.GA54912@rot13.obsecurity.org> <20070601.131415.74663752.imp@bsdimp.com>
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At 1:14 PM -0600 6/1/07, Warner Losh wrote:
>
>The ONLY data corruption that I saw when my laptop died was *ALL*
>of the +CONTENTS files going away. It seems to have died during
>the updating of the meta-data for the dvdauthor port. Why all
>the files of unreleated packages would disappear is a mystery to
>me, unless mergemaster, or one of the pkg tools, deleted them all,
>and then wanted to rewrite them and I got screwed between these
>two steps.
Hmm. Now that you mention it, when I recently rebuilt 7.x on my
PowerPC system, I did happen to notice that all the +CONTENTS files
were re-written at some step. I wanted to rebuild all my ports due
to the new version of gcc, so I started by rebuilding some ports
like portupgrade and ruby, and then did a:
ls -ltr /var/db/pkg
to see what hadn't been rebuilt yet. I noticed that all of the
directories had changed at that point. That, in turn, was because
all the +CONTENTS files has been re-written, even though I had only
updated those two ports. At the time, I assumed that was just
because something major had changed in portupgrade.
But looking at
ls -ltr /var/db/pkg/*/+CONTENTS
right now, it seems that 48 of the 54 ports that I have installed
have the same last-modify time. The remaining six ports are ports
which upgraded after that common last-change time, so they could
also have been changed at the common time.
Based on my bash history, it looks like the command:
portupgrade -f cdecl pkg_tree md5deep zip unix2dos fping \
trafshow iperf help2man pftop
finished around the same time that all the +CONTENTS files were
rewritten, but it's hard to say for sure. And I just did the
command again, and it did not cause all the +CONTENTS files to
be rewritten. Of course, this time it wasn't really changing
anything, since all of these ports are exactly the same as when
I last built them.
--
Garance Alistair Drosehn = drosehn@rpi.edu
Senior Systems Programmer or gad@FreeBSD.org
Rensselaer Polytechnic Institute; Troy, NY; USA
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