Bug#863419: evince: selecting text and trying to drag it causes crash

[Jason Crain]

Control: tags -1 + unreproducible

On Fri, Jun 02, 2017 at 09:32:31AM +0300, Sotiris Kouvopoulos wrote:
> This is how I finally ran gdb:
> GDK_SYNCHRONIZE=1 gdb -batch -ex "set breakpoint pending on" -ex
> "break gdk_x_error" -ex "run far.pdf" -ex "bt full" evince
> 
> Output:
> Function "gdk_x_error" not defined.
> Breakpoint 1 (gdk_x_error) pending.
[snip]

The backtrace helps, but I'm still not able to reproduce this and I
don't understand how the X Window could suddenly become invalid in that
section of code.  There is a good chance though that disabling
compositing in the xfce window manager settings could be a workaround.