Re: Segmenation fault

> 21 jun 2015 kl. 00:22 skrev Anatol Belski <anatol.php@belski.net>: > > Hi Frank, > >> -----Original Message----- >> From: Frank Arensmeier [mailto:farensmeier@gmail.com] >> Sent: Sunday, June 21, 2015 12:05 AM >> To: php-general@lists.php.net General >> Subject: [PHP] Segmenation fault >> >> Hi List! >> >> I am working on a CLI script (PHP 5.5.25) that parses and imports large > amounts >> of data into a database. Usually, the script runs for 5-15 minutes. For > the most >> part, the script is working just fine. But for some reason, it seems to > hit some >> limit and PHP crashes with a segmentation fault. I managed to hook GDB to > the >> PHP process and got a backtrace. Unfortunately, I am not so much wiser > than >> before. >> >> Can someone be so kind and point me into the right direction and give me a > hint >> why PHP crashes? The backtrace: >> >> Program received signal EXC_BAD_ACCESS, Could not access memory. >> Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000018 >> 0x000000010e8f416f in zend_signal_handler_unblock () >> (gdb) bt >> #0 0x000000010e8f416f in zend_signal_handler_unblock () >> #1 0x000000010e8b47d5 in _zend_mm_alloc_int () >> #2 0x000000010e884cd4 in vspprintf () >> #3 0x000000010f5e112f in xdebug_error_cb () >> #4 0x000000010e8d5875 in zend_error () >> #5 0x000000010e8f4121 in zend_signal_handler () >> #6 0x000000010e8f3fae in zend_signal_handler_defer () >> #7 <signal handler called> >> #8 0x00007fff855fce9a in write$NOCANCEL () >> #9 0x00007fff8fae8970 in _swrite () >> #10 0x00007fff8fae15e9 in __sflush () >> [.] >> >> I have already tried to give PHP more memory (512MB) but that had no > impact >> on the segmentation fault. Any ideas? > You can try to disable xdebug and see what happens. > > Regards > > Anatol Hi! Thanks for the tip. It turned out that in deed Xdebug was to blame in this case. After I turned Xdebug off, segmentation faults were gone. /frank