Re: [mp1] Apache::AuthDBI segfaults under Fedora Core 1?

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John Callender wrote:
> On Apr 4, 2005, at 7:56 PM, Stas Bekman wrote:
> 
>> John Callender wrote:
>>
>>> In moving some web sites from a server running Red Hat Linux release 
>>> 7.3 (Valhalla) to one running Fedora Core release 1 (Yarrow), I'm 
>>> finding that attempts to authenticate under mod_perl using 
>>> Apache::AuthDBI, which were working normally on the RH 7.3 server, 
>>> are producing segfaults on the FC1 server.
> 
> 
>> I'd suggest to cleanup your perl's lib tree first, nuking all paths 
>> with 5.8.2, 5.8.1 and 5.8.0 in it. May be you get some binary 
>> incompatible module loaded which causes the crush.
> 
> 
> That appears to have solved my problem. I needed to install DBI and 
> DBD::mysql from source after removing the 5.8.0, 5.8.1, and 5.8.2 paths 
> from the perl lib tree, because the FC1 distribution apparently came 
> with those installed under 5.8.0. But having done that, Apache::AuthDBI 
> is authenticating properly, with no segfaults.

Excellent :)

> Thank you very much for your help.
> 
>> Your perl is thread-enabled, do you by chance spawn perl threads 
>> anywhere? Did you try building perl with -Uusethreads?
> 
> 
> As far as I'm aware, we're not using threads anywhere on the server. I 
> haven't tried building perl with -Uusethreads, no.

If you don't use threads and you build your own perl, you should build it 
with threads disabled. You will get a faster and smaller perl.


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