Problem with PHP cli core dumping (SOLVED)

[Richard Secor]

On Oct 6, 2007, at 3:25 PM, Mel wrote:

> On Wednesday 03 October 2007 18:54:54 Richard Secor wrote:
>> On Wed, 26 Sep 2007, Mel wrote:
>>>> On Tuesday 25 September 2007 18:50:39 Derrick wrote:
>>>>> On Tue, 25 Sep 2007, Eric wrote:
>>>>>> Derrick wrote:
>>>>>>> so it's sessions.so
>>>>>>> I've tried rebuilding it, but still has the same issue.
>>>>
>>>> Move session to indicated spot, then try php -v again. If it
>>
>> still coredumps,
>>
>>>> move above spl. If it still coredumps, move it up one spot and
>>
>> rerun, till it
>>
>>>> stops coredumping.
>>>>
>>>> The bug is in the general extension destructor and changing the
>>
>> order till it
>>
>>>> works is the only remedy.
>>>
>>> Thanks to all those that input some output.
>>>
>>> I moved extension=session.so to the start of the file after  
>>> trying the
>>> first couple suggestions, and all is working now..
>>
>>   I had this problem, however, after changing the file around I'm
>> still getting core dumps.
>>   I find that this happens whenever I upgrade from the port :(
>>   Anyway, it seems I'm getting the dumps from spl.so (it's fine if I
>> comment it and anything that depends on it).
>>   I've tried putting it in every line of the extension file but it
>> still dumps out.
>>   I've tried completely rebuilding all of php and all associated
>> extensions, still dumps out.
>
> It's not spl itself that needs to be moved. There's extensions that  
> are
> required to be loaded *before* spl and most likely others.
>
> You can speed things up as follows:
> php -i >/dev/null 2>&1
> gdb -core ./php.core -exec `which php`
>
> [snip symbol loading]
>
> (gdb) bt
> #0  0x00000000 in ?? ()
> #1  0x28e90544 in __do_global_dtors_aux ()
>    from /usr/local/lib/php/20060613/simplexml.so
>                                     ^^^^^^^^^^^^
>
> That's the one that needs to be moved up.
>
> -- 
> Mel
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> From: Mel <fbsd.questions at rachie.is-a-geek.net>
> To: freebsd-questions at freebsd.org
> Subject: Re: Problem with PHP cli core dumping (SOLVED)
> Date: Sat, 6 Oct 2007 21:25:11 +0200
> User-Agent: KMail/1.9.7
> Cc: Richard Secor <rsecor at seqlogic.com>
> References: <C85CDD58-FE89-41B9-BEA0-3C964DC55E40 at seqlogic.com>
> In-Reply-To: <C85CDD58-FE89-41B9-BEA0-3C964DC55E40 at seqlogic.com>
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>
> On Wednesday 03 October 2007 18:54:54 Richard Secor wrote:
>> On Wed, 26 Sep 2007, Mel wrote:
>>>> On Tuesday 25 September 2007 18:50:39 Derrick wrote:
>>>>> On Tue, 25 Sep 2007, Eric wrote:
>>>>>> Derrick wrote:
>>>>>>> so it's sessions.so
>>>>>>> I've tried rebuilding it, but still has the same issue.
>>>>
>>>> Move session to indicated spot, then try php -v again. If it
>>
>> still coredumps,
>>
>>>> move above spl. If it still coredumps, move it up one spot and
>>
>> rerun, till it
>>
>>>> stops coredumping.
>>>>
>>>> The bug is in the general extension destructor and changing the
>>
>> order till it
>>
>>>> works is the only remedy.
>>>
>>> Thanks to all those that input some output.
>>>
>>> I moved extension=session.so to the start of the file after  
>>> trying the
>>> first couple suggestions, and all is working now..
>>
>>   I had this problem, however, after changing the file around I'm
>> still getting core dumps.
>>   I find that this happens whenever I upgrade from the port :(
>>   Anyway, it seems I'm getting the dumps from spl.so (it's fine if I
>> comment it and anything that depends on it).
>>   I've tried putting it in every line of the extension file but it
>> still dumps out.
>>   I've tried completely rebuilding all of php and all associated
>> extensions, still dumps out.
>
> It's not spl itself that needs to be moved. There's extensions that  
> are
> required to be loaded *before* spl and most likely others.
>
> You can speed things up as follows:
> php -i >/dev/null 2>&1
> gdb -core ./php.core -exec `which php`
>
> [snip symbol loading]
>
> (gdb) bt
> #0  0x00000000 in ?? ()
> #1  0x28e90544 in __do_global_dtors_aux ()
>    from /usr/local/lib/php/20060613/simplexml.so
>                                     ^^^^^^^^^^^^
>
> That's the one that needs to be moved up.
>
> -- 
> Mel

Why doesn't PHP check for dependency and give you error messages  
letting you know (or at least map around somehow)?
I hope they change this so it makes more sense.
-Rich