GNU gdb (GDB) 7.3
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/shotwell...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/shotwell 
[Thread debugging using libthread_db enabled]
** (process:11163): DEBUG: GConfEngine.vala:191: Converting GConf settings to gsettings...
** Message: GConfEngine.vala:201: Error 6 running gsettings-data-convert: stdout="" stderr="
GLib-GIO-ERROR **: Settings schema 'org.yorba.shotwell.sharing.facebook' does not contain a key named 'default-size'
aborting...
"
** (process:11163): DEBUG: GConfEngine.vala:205: GConf to gsettings conversion completed
[New Thread 0x7fffe67e9700 (LWP 11169)]
[New Thread 0x7fffe54de700 (LWP 11170)]
[New Thread 0x7fffe4cdd700 (LWP 11171)]
[New Thread 0x7fffdffff700 (LWP 11172)]
libusb couldn't open USB device /dev/bus/usb/002/003: Permission denied.
libusb requires write access to USB device nodes.
libusb couldn't open USB device /dev/bus/usb/003/005: Permission denied.
libusb requires write access to USB device nodes.
libusb couldn't open USB device /dev/bus/usb/004/003: Permission denied.
libusb requires write access to USB device nodes.
**
ERROR:src/core/SourceHoldingTank.c:663:source_holding_tank_internal_notify_altered: assertion failed: (_tmp0_)
[New Thread 0x7fffdee03700 (LWP 11173)]
[New Thread 0x7fffde602700 (LWP 11174)]
[New Thread 0x7fffdde01700 (LWP 11175)]
[New Thread 0x7fffdd600700 (LWP 11176)]
[New Thread 0x7fffdcdff700 (LWP 11177)]
[New Thread 0x7fffdc5fe700 (LWP 11178)]
[New Thread 0x7fffdbdfd700 (LWP 11179)]
[New Thread 0x7fffdb5fc700 (LWP 11180)]

Program received signal SIGABRT, Aborted.
0x00007fffeffcf795 in raise () from /lib/libc.so.6
(gdb) backtrace full
#0  0x00007fffeffcf795 in raise () from /lib/libc.so.6
No symbol table info available.
#1  0x00007fffeffd0c0b in abort () from /lib/libc.so.6
No symbol table info available.
#2  0x00007ffff0f5bf2d in g_assertion_message () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffff0f5c452 in g_assertion_message_expr () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#4  0x00000000005106a1 in source_holding_tank_internal_notify_altered ()
No symbol table info available.
#5  0x00000000006c0d54 in ?? ()
No symbol table info available.
#6  0x00000000005f09e3 in photo_update_editable_modification_time ()
No symbol table info available.
#7  0x00000000005f0b09 in photo_update_many_editable_timestamps ()
No symbol table info available.
#8  0x00000000006d81bb in ?? ()
No symbol table info available.
#9  0x00000000006d5c8c in ?? ()
No symbol table info available.
#10 0x00007ffff0f39b9b in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#11 0x00007ffff0f3829d in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#12 0x00007ffff0f38a78 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#13 0x00007ffff0f390ba in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#14 0x00007ffff3d0b1a7 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#15 0x00000000006b198c in application_start ()
No symbol table info available.
#16 0x0000000000595a2e in library_exec ()
No symbol table info available.
#17 0x0000000000596d7f in _vala_main ()
No symbol table info available.
#18 0x0000000000480bd1 in main ()
No symbol table info available.
(gdb) quit
A debugging session is active.

	Inferior 1 [process 11163] will be killed.

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