Comment # 68 on bug 908782 from Petr Gajdos

(In reply to Fulvio Malfatto from comment #67)
> I got the last resort.... I downgraded back to php5-5.4.20-21.1.x86_64
> and the same config I had in September. TY for your script. I divided it in

I am curious if you get segfault again.

> My targets for next checks are phpBB 3.1.2 that was upgraded in that period

Could be.

> You addressed me toward memory problems, now I try to focus to that area
> (btw, my php uses as sessiona.save.path and upload.tmp.dir a memory area
> defined in tmpfs. I want to try to revert it to default disk area.

It looks like pointer ht->arBuckets is not properly allocated in time of
segfault (no surprise). While ht->nTableSize (=256) is not zero (as set in
_zend_hash_init()) so CHECK_INIT(ht) was probably called. 

I saw many reports talking about apache segfault and zend_hash. Some had
similar key to other, some hadn't. Unfortunately, it looks like this is common
place where memory issues manifest.

There is one for example: https://bugs.php.net/bug.php?id=68486

> I really appreciated you kind help, and I'm afraid that it looks as my
> problem is somewhere outside php, so maybe I made you loose a lot of time.
> I'm really confused at this moment...

Speaking for myself, it wasn't lost time ;).