[Gmod-help] Session locks overwritten with mod_perl and fcgi

[Lincoln Stein]

This is unpleasant news; I thought the session locking was pretty well
tested. Can you describe how to reproduce this bug?

Lincoln

On Tue, Jul 28, 2009 at 12:26 PM, joseph franklin
<joseph.franklin at yale.edu>wrote:

> (Now that I've recovered the browser installation, I'll post my original
> question)
>
> When I use either ModPerl or Fast-CGI in Gbrowse2 (1.996), track loading
> and refresh are both nicely accelerated.  However, in either of these modes,
> it seems like the session locks get overwritten, rather than created, when a
> new user accesses the browser (the landmarks, tracks, etc. are lost for the
> first user).  The default installation (localhost/cgi-bin/gb2/) appears to
> be locking sessions normally.
>
> Realizing that GBrowse 2 is pre-release, I'd love to hear if anyone has any
> easy suggestions (or perhaps this is a bug).
>
> I'm running this on Ubuntu 9.04 (webserver: Apache/2.2.11 (Ubuntu)
> PHP/5.2.6-3ubuntu4.1 with Suhosin-Patch mod_perl/2.0.4 Perl/v5.10.0 Server).
>
> Here is my GBrowse.conf session settings stanza:
> # session settings
> session driver = driver:file;serializer:default
> session args   = Directory /var/tmp/gbrowse2/sessions
>
>
> /var/tmp/gbrowse2/sessions and /var/tmp/gbrowse2/locks are both writable to
> the server, and indeed written to when any new session is started (except in
> the mod_perl or fcgi cases, when relevant session/lock files are
> overwritten).
>
>
> Thanks,
> joe
>
>
>
> ________________________________
> Joe Franklin
> Department of Cell Biology
> Yale University School of Medicine
> 295 Congress Ave, BCMM 137
> New Haven, CT 06519
> USA
>
> joseph.franklin at yale.edu
> 407 341 3263 (cell)
> 203 654 7494 (google voice)
>
>


-- 
Lincoln D. Stein
Director, Informatics and Biocomputing Platform
Ontario Institute for Cancer Research
101 College St., Suite 800
Toronto, ON, Canada M5G0A3
416 673-8514
Assistant: Renata Musa <Renata.Musa at oicr.on.ca>
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