It appears that the segfault wasn't do to Apache starting, but rather me 
installing the updated mod_wsgi while Apache was running. Rookie mistake. I 
went back to make sure that mod_python was removed (it wasn't, I had to remove 
it), and Apache starts and all is well.

Is there some documentation about the new blocked-timeout option for 
WSGIDaemonProcess directive? eg. name of the option, reasonable settings, etc.

Again, thanks so much for your help!

On Dec 3, 2011, at 9:15 PM, Graham Dumpleton wrote:

> On 4 December 2011 13:51, Drew Yeaton <[email protected]> wrote:
>> On Dec 3, 2011, at 8:44 PM, Graham Dumpleton wrote:
>> 
>>> On 3 December 2011 05:50, Drew Yeaton <[email protected]> wrote:
>>>> Answers inline, though I'm not sure how helpful this will be—
>>>> 
>>>> On Dec 1, 2011, at 8:04 PM, Graham Dumpleton wrote:
>>>> 
>>>>> What Apache and Python versions?
>>>> 
>>>> Apache 2.2.8
>>>> Python 2.5.2
>>> 
>>> I haven't compiled with Python 2.5 for a very log time. It is possible
>>> that changes to threading to make it compliant with Python 3.2 could
>>> have broken things for 2.5.
>> 
>> What's the oldest Python you're planning to support?
> 
> It has always worked back to Python 2.3. Didn't have the intention of
> breaking it for older versions.
> 
> I will have to go try and build it for some older versions to make sure okay.
> 
>>>>> Definitely not still loading mod_python into same Apache?
>>>> 
>>>> I don't believe so, but I don't know how to tell for sure.
>>>> 
>>>>> Is it the whole of Apache that is crashing, or just mod_wsgi daemon 
>>>>> process?
>>>> 
>>>> Again, not sure how to tell.
>>> 
>>> Does the seg fault occur just once when Apache is started and Apache
>>> then doesn't seem to be running at all, or do you get a never ending
>>> loop of seg faults in log, or does seg fault only happen on first
>>> request made to a Python WSGI application?
>> 
>> Appears to happen just once. I attempted to start it multiple times, and got 
>> a single fault in the log for each attempt.
> 
> Find the actual Apache executable. Would be 'httpd' or 'apache'.
> 
> Try running:
> 
>  httpd -X
> 
> If that crashes then means the whole Apache parent process is crashing
> on startup.
> 
> Graham
> 
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