Just adding another data point. Three web servers all went down for me about half hour ago. All 3 Ubuntu 12.04 + Apache2 + PHP5, with security updates auto-applying. All I had to do was start apache again.
Server 1 error.log: [Wed May 25 06:43:08 2016] [notice] Graceful restart requested, doing restart apache2: Syntax error on line 210 of /etc/apache2/apache2.conf: Syntax error on line 1 of /etc/apache2/mods-enabled/php5.load: Cannot load /usr/lib/apache2/modules/libphp5.so into server: /lib/x86_64-linux-gnu/libm.so.6: symbol __strtold_nan, version GLIBC_PRIVATE not defined in file libc.so.6 with link time reference Server 2 error.log: [Wed May 25 06:48:32 2016] [notice] Graceful restart requested, doing restart apache2: Syntax error on line 211 of /etc/apache2/apache2.conf: Syntax error on line 1 of /etc/apache2/mods-enabled/auth_mysql.load: Cannot load /usr/lib/apache2/modules/mod_auth_mysql.so into server: /lib/x86_64-linux-gnu/libm.so.6: symbol __strtold_nan, version GLIBC_PRIVATE not defined in file libc.so.6 with link time reference -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1585614 Title: PHP Update on 2016-05-25 causes Apache not to restart, libm.so.6: symbol __strtold_nan, version GLIBC_PRIVATE not defined in file libc.so.6 with link time reference To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1585614/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
