ken@astro-vm:~/phd2/dbg$ gdb ./phd2
GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.5) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
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Reading symbols from ./phd2...done.
(gdb) run
Starting program: /home/ken/phd2/dbg/phd2 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffe6a6e700 (LWP 11081)]
[New Thread 0x7fffe626d700 (LWP 11082)]
[New Thread 0x7fffe5a6c700 (LWP 11083)]
[New Thread 0x7fffe526b700 (LWP 11094)]
[New Thread 0x7fffe4a6a700 (LWP 11095)]
[New Thread 0x7fffcf720700 (LWP 11096)]
[New Thread 0x7fffcef1f700 (LWP 11097)]
22:45:09: Debug: Failed to connect to session manager: SESSION_MANAGER environment variable not defined
[Thread 0x7fffcef1f700 (LWP 11097) exited]
[Thread 0x7fffcf720700 (LWP 11096) exited]
[New Thread 0x7fffcf720700 (LWP 11103)]
2017-08-29T12:45:44: No ASI cameras detected. Power on?
INDI server localhost/7624 disconnected.
[Thread 0x7fffcf720700 (LWP 11103) exited]
[New Thread 0x7fffcf720700 (LWP 11104)]
2017-08-29T12:45:54: No ASI cameras detected. Power on?
INDI server localhost/7624 disconnected.
[Thread 0x7fffcf720700 (LWP 11104) exited]
[New Thread 0x7fffcf720700 (LWP 11105)]
[New Thread 0x7fffcef1f700 (LWP 11109)]
Dispatch command error(-2): Error: Property SIMULATORMODE not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORMODE" timestamp="2017-08-29T12:46:31"/>
Dispatch command error(-2): Error: Property SIMULATORWORM not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORWORM" timestamp="2017-08-29T12:46:31"/>
Dispatch command error(-2): Error: Property SIMULATORRATIO not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORRATIO" timestamp="2017-08-29T12:46:31"/>
Dispatch command error(-2): Error: Property SIMULATORMOTOR not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORMOTOR" timestamp="2017-08-29T12:46:31"/>
Dispatch command error(-2): Error: Property SIMULATORHIGHSPEED not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORHIGHSPEED" timestamp="2017-08-29T12:46:31"/>
Dispatch command error(-2): Error: Property SIMULATORMCVERSION not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORMCVERSION" timestamp="2017-08-29T12:46:31"/>
[New Thread 0x7fffce3d3700 (LWP 11110)]
2017-08-29T12:46:40: No ASI cameras detected. Power on?
2017-08-29T12:46:40: No ASI cameras detected. Power on?
Dispatch command error(-2): Error: Property SIMULATORMODE not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORMODE" timestamp="2017-08-29T12:46:40"/>
Dispatch command error(-2): Error: Property SIMULATORWORM not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORWORM" timestamp="2017-08-29T12:46:40"/>
Dispatch command error(-2): Error: Property SIMULATORRATIO not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORRATIO" timestamp="2017-08-29T12:46:40"/>
Dispatch command error(-2): Error: Property SIMULATORMOTOR not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORMOTOR" timestamp="2017-08-29T12:46:40"/>
Dispatch command error(-2): Error: Property SIMULATORHIGHSPEED not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORHIGHSPEED" timestamp="2017-08-29T12:46:40"/>
Dispatch command error(-2): Error: Property SIMULATORMCVERSION not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORMCVERSION" timestamp="2017-08-29T12:46:40"/>
2017-08-29T12:46:40: No ASI cameras detected. Power on?
Dispatch command error(-2): Error: Property SIMULATORMODE not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORMODE" timestamp="2017-08-29T12:46:40"/>
Dispatch command error(-2): Error: Property SIMULATORWORM not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORWORM" timestamp="2017-08-29T12:46:40"/>
Dispatch command error(-2): Error: Property SIMULATORRATIO not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORRATIO" timestamp="2017-08-29T12:46:40"/>
Dispatch command error(-2): Error: Property SIMULATORMOTOR not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORMOTOR" timestamp="2017-08-29T12:46:40"/>
Dispatch command error(-2): Error: Property SIMULATORHIGHSPEED not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORHIGHSPEED" timestamp="2017-08-29T12:46:40"/>
Dispatch command error(-2): Error: Property SIMULATORMCVERSION not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORMCVERSION" timestamp="2017-08-29T12:46:40"/>
[New Thread 0x7fffcdbd2700 (LWP 11111)]
2017-08-29T12:46:44: No ASI cameras detected. Power on?
2017-08-29T12:46:44: No ASI cameras detected. Power on?
2017-08-29T12:46:44: No ASI cameras detected. Power on?
Dispatch command error(-2): Error: Property SIMULATORMODE not found in device EQMod Mount.

Thread 14 "phd2" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffcdbd2700 (LWP 11111)]
0x0000000000793088 in INDI::Property::getDeviceName() const ()
(gdb) info stack
#0  0x0000000000793088 in INDI::Property::getDeviceName() const ()
#1  0x00000000005654bc in IndiGui::removeProperty (this=0x145e400, 
    property=0x0) at /home/ken/phd2/indi_gui.cpp:114
#2  0x0000000000791367 in INDI::BaseClient::delPropertyCmd(_xml_ele*, char*) ()
#3  0x0000000000791a10 in INDI::BaseClient::dispatchCommand(_xml_ele*, char*)
    ()
#4  0x0000000000791fa4 in INDI::BaseClient::listenINDI() ()
#5  0x0000000000792095 in INDI::BaseClient::listenHelper(void*) ()
#6  0x000000000079259e in std::thread::_Impl<std::_Bind_simple<void* (*(INDI::BaseClient*))(void*)> >::_M_run() ()
#7  0x00007ffff5791c80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#8  0x00007ffff52ad6ba in start_thread (arg=0x7fffcdbd2700)
    at pthread_create.c:333
#9  0x00007ffff4fe33dd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
(gdb) continue
Continuing.
<delProperty device="EQMod Mount" name="SIMULATORMODE" timestamp="2017-08-29T12:46:44"/>
Dispatch command error(-2): Error: Property SIMULATORWORM not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORWORM" timestamp="2017-08-29T12:46:44"/>
Dispatch command error(-2): Error: Property SIMULATORRATIO not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORRATIO" timestamp="2017-08-29T12:46:44"/>
Dispatch command error(-2): Error: Property SIMULATORMOTOR not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORMOTOR" timestamp="2017-08-29T12:46:44"/>
Dispatch command error(-2): Error: Property SIMULATORHIGHSPEED not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORHIGHSPEED" timestamp="2017-08-29T12:46:44"/>
Dispatch command error(-2): Error: Property SIMULATORMCVERSION not found in device EQMod Mount.
<delProperty device="EQMod Mount" name="SIMULATORMCVERSION" timestamp="2017-08-29T12:46:44"/>
2017-08-29T12:46:44: No ASI cameras detected. Power on?
Dispatch command error(-2): Error: Property SIMULATORMODE not found in device EQMod Mount.
[Thread 0x7fffcdbd2700 (LWP 11111) exited]
[Thread 0x7fffcf720700 (LWP 11105) exited]
[Thread 0x7fffe4a6a700 (LWP 11095) exited]
[Thread 0x7fffe526b700 (LWP 11094) exited]
[Thread 0x7fffe5a6c700 (LWP 11083) exited]
[Thread 0x7fffe626d700 (LWP 11082) exited]
[Thread 0x7fffe6a6e700 (LWP 11081) exited]
[Thread 0x7fffcef1f700 (LWP 11109) exited]
[Thread 0x7fffce3d3700 (LWP 11110) exited]

Program terminated with signal SIGSEGV, Segmentation fault.
The program no longer exists.
(gdb)