Segfault happened at: 0x4509d2 <_ZN10CompPlugin17windowInitPluginsEP10CompWindow+50>: callq *0x30(%rax) PC (0x004509d2) ok source "*0x30(%rax)" ok destination "(%rsp)" (0x7fffa841ec20) ok SP (0x7fffa841ec20) ok Reason could not be automatically determined.