Gtk-Message: 21:23:06.435: Failed to load module "canberra-gtk-module"
free(): invalid pointer

=================================================================
	Native Crash Reporting
=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries 
used by your application.
=================================================================

=================================================================
	Native stacktrace:
=================================================================
	0x560e30e79eb5 - /usr/bin/mono : (null)
	0x560e30e7a250 - /usr/bin/mono : (null)
	0x560e30e27129 - /usr/bin/mono : (null)
	0x560e30e79467 - /usr/bin/mono : (null)
	0x7fa7a351e3c0 - /lib/x86_64-linux-gnu/libpthread.so.0 : (null)
	0x7fa7a334218b - /lib/x86_64-linux-gnu/libc.so.6 : gsignal
	0x7fa7a3321859 - /lib/x86_64-linux-gnu/libc.so.6 : abort
	0x7fa7a338c3ee - /lib/x86_64-linux-gnu/libc.so.6 : (null)
	0x7fa7a339447c - /lib/x86_64-linux-gnu/libc.so.6 : (null)
	0x7fa7a3395cac - /lib/x86_64-linux-gnu/libc.so.6 : (null)
	0x40c7f263 - Unknown

=================================================================
	Telemetry Dumper:
=================================================================
Pkilling 0x7fa7a32f7780 from 0x7fa7a0087700
Entering thread summarizer pause from 0x7fa7a0087700
Finished thread summarizer pause from 0x7fa7a0087700.

Waiting for dumping threads to resume

=================================================================
	External Debugger Dump:
=================================================================
[New LWP 4943]
[New LWP 4944]
[New LWP 4945]
[New LWP 4946]
[New LWP 4949]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007fa7a3411aff in __GI___poll (fds=0x560e32de76b0, nfds=3, timeout=499) at ../sysdeps/unix/sysv/linux/poll.c:29
29	../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
  Id   Target Id                                      Frame 
* 1    Thread 0x7fa7a32f7780 (LWP 4942) "mono"        0x00007fa7a3411aff in __GI___poll (fds=0x560e32de76b0, nfds=3, timeout=499) at ../sysdeps/unix/sysv/linux/poll.c:29
  2    Thread 0x7fa7a23ff700 (LWP 4943) "SGen worker" futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560e3126be08) at ../sysdeps/nptl/futex-internal.h:183
  3    Thread 0x7fa7a0087700 (LWP 4944) "Finalizer"   0x00007fa7a33e1dff in __GI___wait4 (pid=4961, stat_loc=0x7fa7a0085654, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:27
  4    Thread 0x7fa79ddbc700 (LWP 4945) "gmain"       0x00007fa7a3411aff in __GI___poll (fds=0x560e3273ca60, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  5    Thread 0x7fa79d5bb700 (LWP 4946) "gdbus"       0x00007fa7a3411aff in __GI___poll (fds=0x560e326cbf90, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  6    Thread 0x7fa78af92700 (LWP 4949) "pool-Pinta"  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 6 (Thread 0x7fa78af92700 (LWP 4949)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fa79ecfb4b6 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa79ec7e541 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa79ec7eb66 in g_async_queue_timeout_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa79ecd8259 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa79ecd7911 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fa7a3512609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fa7a341e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fa79d5bb700 (LWP 4946)):
#0  0x00007fa7a3411aff in __GI___poll (fds=0x560e326cbf90, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa79ecae18e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa79ecae513 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa79ef6beda in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fa79ecd7911 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa7a3512609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fa7a341e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fa79ddbc700 (LWP 4945)):
#0  0x00007fa7a3411aff in __GI___poll (fds=0x560e3273ca60, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa79ecae18e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa79ecae2c3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa79ecae311 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa79ecd7911 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa7a3512609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fa7a341e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fa7a0087700 (LWP 4944)):
#0  0x00007fa7a33e1dff in __GI___wait4 (pid=4961, stat_loc=0x7fa7a0085654, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:27
#1  0x0000560e30e7a0bf in ?? ()
#2  0x0000560e30e7a250 in ?? ()
#3  0x0000560e30e27129 in ?? ()
#4  0x0000560e30e79467 in ?? ()
#5  <signal handler called>
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#7  0x00007fa7a3321859 in __GI_abort () at abort.c:79
#8  0x00007fa7a338c3ee in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7fa7a34b6285 "%s\n") at ../sysdeps/posix/libc_fatal.c:155
#9  0x00007fa7a339447c in malloc_printerr (str=str@entry=0x7fa7a34b44ae "free(): invalid pointer") at malloc.c:5347
#10 0x00007fa7a3395cac in _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:4173
#11 0x0000000040c7f263 in ?? ()
#12 0x0000560e32c85870 in ?? ()
#13 0x00007fa7a0086ca0 in ?? ()
#14 0x0000560e323f2460 in ?? ()
#15 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fa7a23ff700 (LWP 4943)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x560e3126be08) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x560e3126be20, cond=0x560e3126bde0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x560e3126bde0, mutex=0x560e3126be20) at pthread_cond_wait.c:638
#3  0x0000560e310cedc6 in ?? ()
#4  0x00007fa7a3512609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007fa7a341e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fa7a32f7780 (LWP 4942)):
#0  0x00007fa7a3411aff in __GI___poll (fds=0x560e32de76b0, nfds=3, timeout=499) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa79ecae18e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa79ecae513 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa79f4f6092 in gtk_main () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#4  0x0000000040c5aa60 in ?? ()
#5  0x0000560e324a84a0 in ?? ()
#6  0x0000560e323f6418 in ?? ()
#7  0x00007fa7a2400aa8 in ?? ()
#8  0x00007fa7a2403c30 in ?? ()
#9  0x00007fa7a2403c80 in ?? ()
#10 0x0000560e3240ef30 in ?? ()
#11 0x00007ffcca2a1cc0 in ?? ()
#12 0x00007ffcca2a1b60 in ?? ()
#13 0x0000000000000000 in ?? ()
[Inferior 1 (process 4942) detached]

=================================================================
	Basic Fault Address Reporting
=================================================================
Memory around native instruction pointer (0x7fa7a334218b):0x7fa7a334217b  d2 4c 89 ce bf 02 00 00 00 b8 0e 00 00 00 0f 05  .L..............
0x7fa7a334218b  48 8b 84 24 08 01 00 00 64 48 33 04 25 28 00 00  H..$....dH3.%(..
0x7fa7a334219b  00 75 26 44 89 c0 48 81 c4 18 01 00 00 c3 0f 1f  .u&D..H.........
0x7fa7a33421ab  80 00 00 00 00 48 8b 15 b9 4c 1a 00 f7 d8 41 b8  .....H...L....A.

=================================================================
	Managed Stacktrace:
=================================================================
	  at <unknown> <0xffffffff>
	  at GLib.SList:g_free <0x000a2>
	  at GLib.ListBase:Empty <0x001a4>
	  at GLib.ListBase:Dispose <0x0002b>
	  at GLib.ListBase:Finalize <0x00035>
	  at System.Object:runtime_invoke_virtual_void__this__ <0x0008c>
=================================================================
Aborted (core dumped)