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Re: Always reproducible base checksum mismatch error

From: David Glasser <glasser_at_davidglasser.net>
Date: 2007-11-22 18:51:58 CET

On Nov 22, 2007 8:36 AM, Philipp Wollermann <philipp@igowo.de> wrote:
> Hi again,
> Philipp Wollermann wrote on 2007-11-22:
> > John Szakmeister wrote on 2007-11-22:
> >> Can you run 'svnadmin verify' on the repository? You're likely to get
> >> the same error. If so, then you may be the first person I've met who
> >> can consistently cause this fsfs corruption error. Changing to mpm-
> >> prefork makes the issue go away, but I'm not entirely sure why.
> > Changing to mpm-prefork didn't change anything (I remembered to
> > completely restart apache). I still get the same error and WC
> > corruption. If you like and have the time, we can meet on IRC to discuss
> > the issue (my nick is philwo).
> It gets funny. :) I investigated further:
> Using BDB as backend works perfectly even over HTTP using mpm_worker. I'll convert my repository to BDB now, so we can continue working on our project, but I'd like to help you solve this FSFS-corruption bug.
> So, to summarize, on my machine I can consistently reproduce the following:
> FSFS + mpm_worker: WC corruption
> FSFS + mpm_prefork: WC corruption
> BDB + mpm_prefork: works perfectly
> BDB + mpm_worker: works perfectly

Do you have the ability to test against trunk svn?


David Glasser | glasser_at_davidglasser.net | http://www.davidglasser.net/
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Received on Thu Nov 22 18:52:11 2007

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