Breakpoint 1, 0x00007fffda6f2500 in pthread_create@plt () from /usr/lib/x86_64-linux-gnu/libmysqlclient.so.18 (gdb) bt #0 0x00007fffda6f2500 in pthread_create@plt () from /usr/lib/x86_64-linux-gnu/libmysqlclient.so.18 #1 0x00007fffda71b7d4 in my_thread_global_init () from /usr/lib/x86_64-linux-gnu/libmysqlclient.so.18 #2 0x00007fffda7195e6 in my_init () from /usr/lib/x86_64-linux-gnu/libmysqlclient.so.18 #3 0x00007fffda6f57db in mysql_server_init () from /usr/lib/x86_64-linux-gnu/libmysqlclient.so.18 #4 0x00007fffda6fb88f in mysql_init () from /usr/lib/x86_64-linux-gnu/libmysqlclient.so.18 #5 0x00007fffe8484492 in CDatabaseConnectionMySql::CDatabaseConnectionMySql (this=0x7ffff0215a90, pManager=, strHost=..., strUsername=..., strPassword=..., strOptions=...) at CDatabaseConnectionMySql.cpp:107 c#6 0x00007fffe8484fe6 in NewDatabaseConnectionMySql (pManager=0x7e48c0, strHost=..., strUsername=..., strPassword=..., strOptions=...) at CDatabaseConnectionMySql.cpp:70 #7 0x00007ffff53b47b9 in CDatabaseTypeMySql::CallNewDatabaseConnectionMySql (this=this@entry=0x7e48c0, pManager=pManager@entry=0x7e48c0, strHost=..., strUsername=..., strPassword=..., strOptions=...) at ./logic/CDatabaseTypeMySql.cpp:214 #8 0x00007ffff53b655c in CDatabaseTypeMySql::Connect (this=0x7e48c0, strHost=..., strUsername=..., strPassword=..., strOptions=...) at ./logic/CDatabaseTypeMySql.cpp:175 #9 0x00007ffff53adfaa in CDatabaseJobQueueImpl::ProcessConnect (this=0x7e4580, pJobData=0x4afe840) at ./logic/CDatabaseJobQueue.cpp:623 #10 0x00007ffff53ae8b5 in CDatabaseJobQueueImpl::ProcessCommand (this=this@entry=0x7e4580, pJobData=) at ./logic/CDatabaseJobQueue.cpp:579 #11 0x00007ffff53aea38 in CDatabaseJobQueueImpl::ThreadProc (this=0x7e4580) at ./logic/CDatabaseJobQueue.cpp:544 #12 0x00007ffff69d80ca in start_thread (arg=0x7ffff51cd700) at pthread_create.c:312 #13 0x00007ffff6cd305d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 (gdb) continue Continuing. [New Thread 0x7fffdb5fe700 (LWP 30079)] libgcc_s.so.1 must be installed for pthread_cancel to work Program received signal SIGABRT, Aborted. [Switching to Thread 0x7fffdb5fe700 (LWP 30079)] 0x00007ffff6c22407 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 56 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.