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From paritosh <>
Subject Re[2]: apache 2.2 crashes at the start time in mod_dbd.c then preparing AuthDBDUserPWQuery
Date Thu, 17 Aug 2006 13:51:35 GMT
Hi all,

I had a working installation of apache 2.2.2 with mod_dbd and
mod_authn_dbd configured. Recently I upgraded to 2.2.3 and the server
crashes with the same backtrace. ( it crashes in apr_hashfunc_default at
tables/apr_hash.c:228 ). Have there been any developments towards
resolving this ?

On Thu, 2006-07-27 at 21:21 +0400, Anton Golubev wrote:
> Hello Nick,
> I did some tests again with mod_dbd, but now against trunk versions of
> httpd, apr, apr-utils. And it seems to me, that the problem persists.
> It crashes with the same symptoms as I posted last week.
> Function ap_dbd_prepare called with corrupted arguments (s=0x80e6ed0, query=0xffffffff,
> label=0xffffffff), which led to crash in apr_hashfunc_default
> (char_key=0x0, klen=0xbfbfe2c0).
> My previous post about "soft" prepare problem looks to be irrelevant.
> "Internal error: DBD: failed to initialise prepared SQL statements"
> seems to be a back-side of corrupted but not crashed query handler.
> I included httpd.conf, gdb output and my compilation options.
> I would be glad to hear, that something is wrong with my environment
> (e.g. compilation, configuration etc), but I couldn't find anything I
> can fix.
> Anton Golubev
> St. Petersburg
> P.S. Regarding autoconf for APR-Utils. Mysql detection has been fixed
> by Bojan a month ago in trunk version. So my patches are a bit outdated.
> Bojan also uses mysql-config to determine path to the libraries.
> The current status: it's broken in 1.2.7, but fixed in not yet
> released 1.3.0.

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