Comment 31 for bug 731874

Confirming the same issue on Fedora 27 with shutter 0.93.1

// First instance starts - OK

// Second start throws this
WARNING: gnome-web-photo is missing --> screenshots of websites will be disabled!

(shutter:5439): Unique-DBus-WARNING **: Error while sending message: Message recipient disconnected from message bus without replying

INFO: There is already another instance of Shutter running!

// And the first one crashes as well with this:
Segmentation fault (core dumped)

// Debug of the first one
(gdb) run /usr/bin/shutter
Starting program: /usr/bin/perl /usr/bin/shutter
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
WARNING: gnome-web-photo is missing --> screenshots of websites will be disabled!

GdkPixbuf-LOG **: gdk_pixbuf_from_pixdata() called on: at /usr/bin/shutter line 520, <DATA> line 19.
GdkPixbuf-LOG **: Encoding raw at /usr/bin/shutter line 520, <DATA> line 19.
GdkPixbuf-LOG **: Dimensions: 16 x 16 at /usr/bin/shutter line 520, <DATA> line 19.
GdkPixbuf-LOG **: Rowstride: 64, Length: 1048 at /usr/bin/shutter line 520, <DATA> line 19.
GdkPixbuf-LOG **: Copy pixels == false at /usr/bin/shutter line 520, <DATA> line 19.
GdkPixbuf-LOG **: gdk_pixbuf_from_pixdata() called on: at /usr/bin/shutter line 520, <DATA> line 19.
GdkPixbuf-LOG **: Encoding raw at /usr/bin/shutter line 520, <DATA> line 19.
GdkPixbuf-LOG **: Dimensions: 16 x 16 at /usr/bin/shutter line 520, <DATA> line 19.
GdkPixbuf-LOG **: Rowstride: 64, Length: 1048 at /usr/bin/shutter line 520, <DATA> line 19.
GdkPixbuf-LOG **: Copy pixels == false at /usr/bin/shutter line 520, <DATA> line 19.
[New Thread 0x7fffdc9a5700 (LWP 6348)]
[New Thread 0x7fffd7fff700 (LWP 6349)]
[New Thread 0x7fffd77fe700 (LWP 6350)]
File::Glob::glob() will disappear in perl 5.30. Use File::Glob::bsd_glob() instead. at /usr/bin/shutter line 8199.
[New Thread 0x7fffd6b76700 (LWP 6351)]
[New Thread 0x7fffd5b50700 (LWP 6352)]
GdkPixbuf-LOG **: gdk_pixbuf_from_pixdata() called on: at /usr/bin/shutter line 4505.
GdkPixbuf-LOG **: Encoding raw at /usr/bin/shutter line 4505.
GdkPixbuf-LOG **: Dimensions: 14 x 14 at /usr/bin/shutter line 4505.
GdkPixbuf-LOG **: Rowstride: 56, Length: 808 at /usr/bin/shutter line 4505.
GdkPixbuf-LOG **: Copy pixels == false at /usr/bin/shutter line 4505.
GdkPixbuf-LOG **: gdk_pixbuf_from_pixdata() called on: at /usr/bin/shutter line 4505.
GdkPixbuf-LOG **: Encoding raw at /usr/bin/shutter line 4505.
GdkPixbuf-LOG **: Dimensions: 14 x 14 at /usr/bin/shutter line 4505.
GdkPixbuf-LOG **: Rowstride: 56, Length: 808 at /usr/bin/shutter line 4505.
GdkPixbuf-LOG **: Copy pixels == false at /usr/bin/shutter line 4505.
[Thread 0x7fffd77fe700 (LWP 6350) exited]
[Thread 0x7fffd5b50700 (LWP 6352) exited]
[Thread 0x7fffd6b76700 (LWP 6351) exited]

Thread 1 "perl" received signal SIGSEGV, Segmentation fault.
0x00007ffff6788d71 in __strlen_avx2 () from /lib64/libc.so.6

// Debug of the second one:
(gdb) run /usr/bin/shutter
Starting program: /usr/bin/perl /usr/bin/shutter
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
WARNING: gnome-web-photo is missing --> screenshots of websites will be disabled!

(shutter:6362): Unique-DBus-WARNING **: Error while sending message: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.

INFO: There is already another instance of Shutter running!
[Inferior 1 (process 6362) exited normally]

Let me know if more info required.