Error segfault

[kilburn]

This is a php-related problem. Check that the php.ini configurations are the same for the working and non-working domains. Try to disable any php debugger/opcode cache, and provide further info:

1. OS/Distro/Version
2. PHP version / configurations for both working and non-working domains.
3. Complete/matching logs (your dmesg messages refer to pid 4481, while apache.error.log refers to 4818, so you either mangled them or provided non-matching lines.