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Re: svn commit: r990537 - /subversion/branches/performance/subversion/libsvn_subr/svn_temp_serializer.c

From: Johan Corveleyn <jcorvel_at_gmail.com>
Date: Sat, 4 Sep 2010 22:47:58 +0200

On Tue, Aug 31, 2010 at 11:35 PM, Johan Corveleyn <jcorvel_at_gmail.com> wrote:
> Stefan,
>
> On Tue, Aug 31, 2010 at 10:07 PM, Johan Corveleyn <jcorvel_at_gmail.com> wrote:
>> Some additional info:
>> - I couldn't reproduce the crash with a narrow range. Not even 90000:0 would
>> crash it (right after startup).
>> - BUT: if after 90000:0 I run log without -r arguments, I get an error on
>> the client side:
>> [[[
>> ..\..\..\subversion\svn\log-cmd.c:746: (apr_err=160013)
>> ..\..\..\subversion\libsvn_client\log.c:606: (apr_err=160013)
>> ..\..\..\subversion\libsvn_repos\log.c:1474: (apr_err=160013)
>> svn: File not found: revision 90799, path '?\239'
>> ..\..\..\subversion\libsvn_repos\log.c:372: (apr_err=160013)
>> svn: File not found: revision 90799, path '?\239'
>> ..\..\..\subversion\libsvn_fs_fs\tree.c:3313: (apr_err=160013)
>> svn: File not found: revision 90799, path '?\239'
>> ..\..\..\subversion\libsvn_fs_fs\tree.c:3313: (apr_err=160013)
>> svn: File not found: revision 90799, path '?\239'
>> ..\..\..\subversion\libsvn_fs_fs\tree.c:3159: (apr_err=160013)
>> svn: File not found: revision 90799, path '?\239'
>> ..\..\..\subversion\libsvn_fs_fs\tree.c:668: (apr_err=160013)
>> svn: File not found: revision 90799, path '?\239'
>> ]]]
>> - This also happens when the first run is 60000:0 or even 42000:0. If the
>> first run is 41000:0, then the second run doesn't get the client-side error,
>> but the server crashes on the expected spot (after rev 42100).
>> - The above client-side error also happens if the second run is 96000:90000
>> instead of a log without -r argument.
>> - However, if I run "log -r96000:90000" right after startup, no problem.
>> - Other than that, it crashes reproducibly after 42100 if I run log with no
>> -r arguments right after startup.
>
> I experimented some more. There must be something strange with that
> revision 90799 that also causes the client-side error.
>
> Some log runs immediately after startup:
> - "svn log -r90798:0 svn://localhost/path/bigfile.xml": no crash
> - "svn log -r90799:0 svn://localhost/path/bigfile.xml": crash (last
> log entry: 42104 (one before 42100 of the "regular" crash))
> - "svn log -r90921:0 svn://localhost/path/bigfile.xml": crash (last
> log entry: 42130 (two before 42100 of the "regular" crash)). r90921 is
> one before 90799.
> - "svn log -r90998:0 svn://localhost/path/bigfile.xml": crash (last
> log entry: 42149 (three before 42100 of the "regular" crash)). r90998
> is two before 90799.
> - "svn log svn://localhost/path/bigfile.xml": still crashes
> consistently with last log entry 42100.
>
> Still r90799 itself seems a very normal commit, with only text
> modifications to bigfile.xml.

Stefan,

If needed, I could send some individual rev files (like r90779 and
42100) via private email. If that would help in finding the problem
...

Cheers,

-- 
Johan
Received on 2010-09-04 22:48:53 CEST

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