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AW: Can't execute svn commands through the network

From: Niemann, Hartmut <hartmut.niemann_at_siemens.com>
Date: Mon, 21 May 2012 13:22:30 +0200

Hello Michael,

Do you have a virus scanner involved?
Try to disable it, just for the tests.

I have seen the virus scanner interfere with
the sqlite engine of subversion 1.7.x in very interesing ways.
The new (1.7.0) sqlite-based client writes some journal file into
the working copy, which may fail if the virus scanner takes too long
to check the file.
In my case a subsequent fopen() call fails, which is being reported as sqlite
disk IO errors.

I have written a small C program that does
        fopen()
        write several k of data
        fclose()
        and repeat.
My box normally fails within 100..1000 iterations ... it takes some
time to trigger it, but *very* rarely it has made all 64000 iterations
without error.
Interestingly, it is fopen() that fails with EINVAL.

Mit freundlichen Grüßen
Dr.
Hartmut Niemann

Siemens AG
Infrastructure & Cities Sector
Rail Systems Division
Locomotives and Components
IC RL LOC EN LE 8
Werner-von-Siemens-Str. 67
91052 Erlangen, Deutschland
Tel.: +49 9131 7-34264
Fax: +49 9131 7-26254
mailto:hartmut.niemann_at_siemens.com

Siemens Aktiengesellschaft: Vorsitzender des Aufsichtsrats: Gerhard Cromme; Vorstand: Peter Löscher, Vorsitzender; Roland Busch, Brigitte Ederer, Klaus Helmrich, Joe Kaeser, Barbara Kux, Hermann Requardt, Siegfried Russwurm, Peter Y. Solmssen, Michael Süß; Sitz der Gesellschaft: Berlin und München, Deutschland; Registergericht: Berlin Charlottenburg, HRB 12300, München, HRB 6684; WEEE-Reg.-Nr. DE 23691322
 

> -----Ursprüngliche Nachricht-----
> Von: Michael Fausten [mailto:fausten_at_pw-internet.de]
> Gesendet: Montag, 21. Mai 2012 12:20
> An: users_at_subversion.apache.org
> Betreff: Can't execute svn commands through the network
>
> Hello,
>
> since we updated our SVN-Server to version 1.7.0 we're no
> longer able to
> execute commands through samba mounted shares.
> Commands through our LAN is still working.
>
> For example:
>
> # /usr/home/michael/mnt/websites.sh
>
> Content from website.sh:
>
> mount_smbfs -N -I 192.168.23.225 -E utf-8:cp1252
> //fausten_at_KALI-FILES/pw-websites /usr/home/michael/mount/pw-websites
>
> utf8:cp1252 option is needed, otherwise the German umlauts
> are broken on
> the share.
>
> % cd /usr/home/michael/mount/pw-websites/path/to/my/website
> % svn status -u
>
> svn: E200030: sqlite: disk I/O error
> svn: E200030: sqlite: disk I/O error
>
> On my PC (locally) svn just works fine. I use a FreeBSD 9.0 amd64
> machine with, since today subversion 1.7.5, but the error
> still occurs.
>
> Builded subversion with (Compiler Options):
>
> P4_STYLE_MARKERS
> ENHANCED_KEYWORD
> FREEBSD_TEMPLATE
> NEON
>
> - No private modifications
>
> Our server uses FreeBSD 8.2 with Subversion 1.7.5.
>
Received on 2012-05-21 13:23:13 CEST

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