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Re: Reproducible checksum mismatch in 'svnadmin load'

From: Daniel Shahaf <danielsh_at_elego.de>
Date: Mon, 7 Mar 2011 22:47:41 +0200

svn-bisect says this started in r1078366.

Daniel Shahaf wrote on Mon, Mar 07, 2011 at 19:33:48 +0200:
> I reproducibly run into a checksum mismatch error when dump|load'ing the
> svn-org mirror on svn-qavm.apache.org.
>
> Background: svn-qavm hosts a mirror of the public portion of svn-org.
> That mirror was created by svnsync 1.6.6. I dumped it (using
> svnadmin dump --deltas -q) and tried to load the dump locally, using an
> r1078479 build of $svnadmin, but ran into a checksum mismatch in r75:
>
> Reproduction:
> [[[
> % wget -qO- http://svn-qavm.apache.org/files/svn-org-deltas.dump > wgetted-dump
> % $svnadmin create wgetted
> % $svnadmin load -q wgetted < wgetted-dump
> subversion/libsvn_repos/load.c:603: (apr_err=160004)
> subversion/libsvn_repos/load.c:354: (apr_err=160004)
> subversion/libsvn_delta/svndiff.c:782: (apr_err=160004)
> subversion/libsvn_fs_fs/tree.c:2377: (apr_err=160004)
> subversion/libsvn_subr/checksum.c:418: (apr_err=160004)
> svnadmin: E160004: Filesystem is corrupt
> subversion/libsvn_subr/checksum.c:418: (apr_err=200014)
> svnadmin: E200014: Checksum mismatch while reading representation:
> expected: 98d196829815a448c6add83e96bfacfd
> actual: 5010ec0d2818bf780ffdcb12ef4d5bb6
>
> zsh: exit 1 $svnadmin load -q wgetted < wgetted-dump
> % $svnlook youngest wgetted
> 74
> ]]]
>
> For comparison, a recent 1.6.x build, and an installed r1071563M build,
> load the dumpfile without error. (The dumpfile goes up to r301.)
>
> Either the month-old svnadmin is ignoring the checksum mismatch, or the
> new one is falsely reporting it; which is the case?

> [[[
> % $svn log -vr75:74 http://svn-qavm.apache.org/repos/svn-org/
> ------------------------------------------------------------------------
> r75 | kfogel | 2007-04-13 09:16:37 +0300 (Fri, 13 Apr 2007) | 16 lines
> Changed paths:
> D /trunk/documents/meeting-minutes
> A /trunk/documents/meetings (from /trunk/documents/meeting-minutes:73)
> R /trunk/documents/meetings/2006-10-05-board-meeting.txt (from /trunk/documents/meeting-minutes/2006-10-05-board-meeting.txt:74)
> R /trunk/documents/meetings/2007-03-12-board-meeting.txt (from /trunk/documents/meeting-minutes/2007-03-12-board-meeting.txt:74)
> R /trunk/documents/meetings/2007-03-17-board-meeting.txt (from /trunk/documents/meeting-minutes/2007-03-17-board-meeting.txt:74)
> R /trunk/documents/meetings/2007-03-17-members-meeting.txt (from /trunk/documents/meeting-minutes/2007-03-17-members-meeting.txt:74)
> R /trunk/documents/meetings/board-meeting-template.txt (from /trunk/documents/meeting-minutes/board-meeting-template.txt:74)
> R /trunk/documents/meetings/members-meeting-template.txt (from /trunk/documents/meeting-minutes/members-meeting-template.txt:74)
>
> Use the same templates for meeting agendas as well as for minutes.
>
> * documents/meeting-minutes/: Renamed to...
>
> * documents/meetings/: ...here.
>
> * documents/meetings/board-meeting-template.txt,
> documents/meetings/members-meeting-template.txt: Add section for
> agenda as well as minutes.
>
> * documents/meetings/2006-10-05-board-meeting.txt
> documents/meetings/2007-03-12-board-meeting.txt
> documents/meetings/2007-03-17-board-meeting.txt
> documents/meetings/2007-03-17-members-meeting.txt: Add note that
> these were written before the new format.
>
> ------------------------------------------------------------------------
> r74 | kfogel | 2007-04-13 09:07:47 +0300 (Fri, 13 Apr 2007) | 3 lines
> Changed paths:
> M /trunk/documents/corporate-cla.txt
> M /trunk/documents/individual-cla.txt
>
> * documents/individual-cla.txt
> documents/corporate-cla.txt: Add a question about GPG-signing.
>
> ------------------------------------------------------------------------
> ]]]
Received on 2011-03-07 21:48:48 CET

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