gnome-tweak-tool crashed with SIGSEGV in _gdk_window_has_impl()

[SiggiTron]

-

ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: gnome-tweak-tool 3.16.2-2
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.19.1-0ubuntu2
Architecture: amd64
CurrentDesktop: GNOME
Date: Sat Oct 10 16:05:29 2015
ExecutablePath: /usr/bin/gnome-tweak-tool
InstallationDate: Installed on 2015-10-10 (0 days ago)
InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Alpha amd64 (20150924)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/gnome-tweak-tool
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=cs_CZ.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f5d511447d2: cmp %rdi,0xd0(%rdi)
 PC (0x7f5d511447d2) ok
 source "%rdi" ok
 destination "0xd0(%rdi)" (0x000000d0) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: gnome-tweak-tool
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
 gdk_x11_window_get_xid () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules/im-xim.so
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
Title: gnome-tweak-tool crashed with SIGSEGV in gdk_x11_window_get_xid()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 _gdk_window_has_impl (window=window@entry=0x0) at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gdk/gdkwindow.c:593
 gdk_x11_window_get_xid (window=0x0) at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gdk/x11/gdkwindow-x11.c:5527
 gtk_im_context_xim_filter_keypress (context=0xf0b6f0, event=0x24ff940) at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./modules/input/gtkimcontextxim.c:673
 gtk_im_multicontext_filter_keypress (context=0xf29eb0, event=0x24ff940) at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gtk/gtkimmulticontext.c:359
 ffi_call_unix64 () at ../src/x86/unix64.S:76