Bug#400269: [php-maint] Bug#400269: php5-odbc segfault

Steve Langasek vorlon at debian.org
Mon Feb 5 11:59:23 CET 2007

reassign 400269 libct3

On Fri, Feb 02, 2007 at 11:50:59AM +0100, Ivan Sergio Borgonovo wrote:
> On Sat, 9 Dec 2006 17:36:38 -0800
> Steve Langasek <vorlon at debian.org> wrote:

> > Ok, unfortunately this backtrace isn't sufficient to track down the
> > bug, due to a lack of debugging symbols in php5-odbc.  Could you
> > try rebuilding php5 with DEB_BUILD_OPTIONS=nostrip and see if that
> > helps get a more precise backtrace?

> > If you aren't able to, perhaps one of the other php maintainers
> > could help with this.

> I didn't have any chance to test on sid and I'm reasonably ignorant
> about Debian sysadmin tasks to avoid damages to a reasonably working
> workstation to overwrite php with a self compiled one.
> Anyway I got struck by a similar problem with sybase_* on sarge
> [i386]. The common link may be FreeTDS (I notice you're also the
> maintainer of freetds).
> Infact using sqsh I experience the same problem.

> One problem seems related to datetime fields.
> Even a simple:
> select top 1 datetimefield from table;
> *always* end up in a segfault.

Ah, indeed, then this is probably bug #353735 or bug #324869.  Which version
of the tdsodbc package do you have installed, and what do you have in

> Another problem seems related to large dataset returned.
> It is more frequent if a single record is large rather than if there
> are many recordsets returned. I still didn't succeed to make this
> problem completely reproducible and I haven't quantified "large".
> This problem seems sporadic.

I'd need more info about exactly what happens for you here to comment.

Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
vorlon at debian.org                                   http://www.debian.org/

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