[Bug 1717241] nautilus crashed with signal 5 in _XReply() - drag and drop crash

[Apport retracing service]

StacktraceTop:
 XShapeGetRectangles (dpy=0x1996cb0, window=1684, kind=kind at entry=0, count=count at entry=0x7ffe3171c0d0, ordering=ordering at entry=0x7ffe3171c0d4) at ../../src/XShape.c:456
 _gdk_x11_xwindow_get_shape (xdisplay=<optimized out>, window=<optimized out>, scale=scale at entry=1, shape_type=shape_type at entry=0) at /build/gtk+3.0-2Ut_nl/gtk+3.0-3.18.9/./gdk/x11/gdkwindow-x11.c:4534
 is_pointer_within_shape (y_pos=<optimized out>, x_pos=366, child=0x1ede5f0, display=<optimized out>) at /build/gtk+3.0-2Ut_nl/gtk+3.0-3.18.9/./gdk/x11/gdkdnd-x11.c:660
 get_client_window_at_coords (cache=<optimized out>, cache=<optimized out>, y_root=392, x_root=366, ignore=<optimized out>) at /build/gtk+3.0-2Ut_nl/gtk+3.0-3.18.9/./gdk/x11/gdkdnd-x11.c:765
 gdk_x11_drag_context_find_window (context=0x7f8fc8005860, drag_window=<optimized out>, screen=<optimized out>, x_root=<optimized out>, y_root=<optimized out>, protocol=0x7ffe3171c2b4) at /build/gtk+3.0-2Ut_nl/gtk+3.0-3.18.9/./gdk/x11/gdkdnd-x11.c:2038

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Title:
  nautilus crashed with signal 5 in _XReply() - drag and drop crash

Status in apport package in Ubuntu:
  New
Status in nautilus package in Ubuntu:
  New

Bug description:
  To reproduce on a fully updated Ubuntu Desktop 16.04 system with
  Unity:

  Step 1: Start nautilus

  Step 2: Drag and drop a file to any target: to a different folder in
  the same nautilus window, to another folder in a different nautilus
  folder, etc. ... The target is irrelevant.

  Expected to happen: File successfuly copied or moved.

  Actually happened: Mouse pointer changes to a hand with a plus sign.
  Source file moves only slightly and then freezes, never makes it to
  the target. Application locks up for a few seconds, and then the
  application window vanishes. Crash report is then generated.

  Ubuntu release: Ubuntu 16.04.3 LTS

  Nautilus package version: Installed: 1:3.18.4.is.3.14.3-0ubuntu6

  Additional (and maybe relevant) notes:

  1) Drag and drop function seems broken generally, across applications,
  not just in nautilus. For instance, same behavior appears when trying
  to drag and drop a Thunderbird message to another Thunderbird folder,
  or when trying to drag and drop a cell or a range of cells within the
  same Libreoffice Calc spreadsheet.

  2) Interestingly, application windows can be dragged and dropped
  across display monitors (3 monitor setup), without any problems.

  3) I am using proprietary NVIDIA drivers, but please do not suggest
  using nouveau drivers, because they work horribly (heavy display
  corruption, pixelated screen, and constant mouse flickering)

  4) Graphics setup: NVIDIA Quadro NVS 450 card with twin GPU and 4
  heads. NVIDIA propietary driver version 340.102 (installed from ubuntu
  repositories, not from proprietary NVIDIA installer; correct driver
  for this card according to NVIDIA documentation). 3 monitors connected
  in a simple horizontal layout.

  5) Nautilus extension installed: nautilus-share  0.7.3-2ubuntu1

  6) Attaching a nautilus debugging log from terminal command:
  G_DEBUG="all" NAUTILUS_DEBUG ="All" nautilus

  7) Attaching X Org log file with -logverbose 6 option

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: apport 2.20.1-0ubuntu2.10
  ProcVersionSignature: Ubuntu 4.10.0-33.37~16.04.1-generic 4.10.17
  Uname: Linux 4.10.0-33-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  CrashReports: 640:1000:116:10641522:2017-09-14 12:49:07.088649823 +0200:2017-09-14 12:27:03.381461842 +0200:/var/crash/_usr_bin_nautilus.1000.crash
  CurrentDesktop: Unity
  Date: Thu Sep 14 11:02:40 2017
  ExecutablePath: /usr/bin/nautilus
  ExecutableTimestamp: 1481715745
  PackageArchitecture: all
  ProcCmdline: nautilus
  ProcCwd: /var/crash
  Signal: 5
  SourcePackage: apport
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
   ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
   _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
   XShapeGetRectangles () from /usr/lib/x86_64-linux-gnu/libXext.so.6
   ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
  Title: nautilus crashed with signal 5 in _XReply()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  modified.conffile..etc.apport.crashdb.conf: [modified]
  mtime.conffile..etc.apport.crashdb.conf: 2017-09-14T09:20:26.397971

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