Segfault happened at: 0x7faea906a517 <_ZN7QObject10disconnectEPKS_PKcS1_S3_+631>:	callq  *(%rax)
PC (0x7faea906a517) ok
source "*(%rax)" ok
destination "(%rsp)" (0x7fae9eadd960) ok
Stack memory exhausted (SP below stack segment)
SP (0x7fae9eadd960) ok
Reason could not be automatically determined.