There's been some fixes in later 4.0.x releases. This package would benefit from an update to 4.0.11. https://github.com/krakjoe/apcu/releases/tag/v4.0.11 <https://github.com/krakjoe/apcu/releases/tag/v4.0.11>
On Tue, 25 Oct 2016 09:39:27 +0200 Phillip Berndt <phillip.ber...@googlemail.com> wrote: > Package: php5-apcu > Version: 4.0.7-1 > Severity: normal > > Dear Maintainer, > > my apache server SEGFAULT'ed in php's apcu.so module. The crash leaves a > core dump in /etc/apache2 (which seems to be the default behaviour, I > didn't configure this). The crash appears to be related to reloading > apache (systemctl reload apache2.service), which happens automatically > on the server whenever a letsencrypt certificate has been renewed.v I > have three core dumps by now, and each one has the same backtrace: > > -- gdb output > Core was generated by `/usr/sbin/apache2 -k start'. > Program terminated with signal SIGSEGV, Segmentation fault. > #0 0x00007f07ccaf174c in __pthread_rwlock_init > (rwlock=0xffffffffffffffff, attr=<optimized out>) at > pthread_rwlock_init.c:40 > (gdb) bt > #0 0x00007f07ccaf174c in __pthread_rwlock_init > (rwlock=0xffffffffffffffff, attr=<optimized out>) at > pthread_rwlock_init.c:40 > #1 0x00007f07c2d78b10 in apc_lock_create () from > /usr/lib/php5/20131226/apcu.so > #2 0x00007f07c2d7e4f5 in apc_sma_api_init () from > /usr/lib/php5/20131226/apcu.so > #3 0x00007f07c2d7ad51 in ?? () from /usr/lib/php5/20131226/apcu.so > #4 0x00007f07c817599e in zend_startup_module_ex () from > /usr/lib/apache2/modules/libphp5.so > #5 0x00007f07c8182203 in zend_hash_apply () from > /usr/lib/apache2/modules/libphp5.so > #6 0x00007f07c8179c2a in zend_startup_modules () from > /usr/lib/apache2/modules/libphp5.so > #7 0x00007f07c810fcb3 in php_module_startup () from > /usr/lib/apache2/modules/libphp5.so > #8 0x00007f07c8223ee5 in ?? () from /usr/lib/apache2/modules/libphp5.so > #9 0x00007f07c8224aa3 in ?? () from /usr/lib/apache2/modules/libphp5.so > #10 0x00007f07cd649eb3 in ap_run_post_config () > #11 0x00007f07cd629394 in main () > > > -- Package-specific info: > (for package libapache2-mod-php5 5.6.26+dfsg-0+deb8u1 because that looks > much more useful than the output for php5-apcu alone.) > > ==== Additional PHP 5 information ==== > > ++++ PHP 5 SAPI (php5query -S): ++++ > apache2 > cli > > ++++ PHP 5 Extensions (php5query -M -v): ++++ > apcu (Enabled for apache2 by maintainer script) > json (Enabled for apache2 by maintainer script) > curl (Enabled for apache2 by maintainer script) > imagick (Enabled for apache2 by maintainer script) > mysql (Enabled for apache2 by maintainer script) > mcrypt (Enabled for apache2 by maintainer script) > pdo_sqlite (Enabled for apache2 by maintainer script) > gd (Enabled for apache2 by maintainer script)
