Bulia,

I attached the patch to the bug tracker.

The problem is easy to reproduce as described in the tracker.

pls check. Adib. ---

On Thu, Sep 10, 2009 at 12:36 AM, Launchpad Bug Tracker<307195@...1882...> wrote:

You have been subscribed to a public bug:

Steps to reproduce:

* open first file  * open second file  * in first window show layers dialog  * in second window select (click) some object on canvas  * in first window change layer  -> crash

Linux, SVN Revision: 20351

Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1247754000 (LWP 10472)] 0x081b5e33 in SPDesktop::currentRoot () at io/base64stream.cpp:74 74       */ Current language:  auto; currently c++ (gdb) backtrace #0  0x081b5e33 in SPDesktop::currentRoot () at io/base64stream.cpp:74 #1  0x083eb175 in Inkscape::UI::Dialogs::LayersPanel::_pushTreeSelectionToCurrent () at io/base64stream.cpp:74 #2  0x083f3ff3 in sigc::bound_mem_functor0<void, Inkscape::UI::Dialogs::LayersPanel>::operator() () at io/base64stream.cpp:74 #3  0x083f400a in sigc::adaptor_functor<sigc::bound_mem_functor0<void, Inkscape::UI::Dialogs::LayersPanel> >::operator() () at io/base64stream.cpp:74 #4  0x083f4026 in sigc::internal::slot_call0<sigc::bound_mem_functor0<void, Inkscape::UI::Dialogs::LayersPanel>, void>::call_it () at io/base64stream.cpp:74 #5  0xb7b83526 in Glib::SignalProxyNormal::slot0_void_callback () from /usr/lib/libglibmm-2.4.so.1 #6  0xb76f2207 in g_cclosure_marshal_VOID__VOID () from /usr/lib/libgobject-2.0.so.0 #7  0x00000000 in ?? () (gdb)

More precisely, the access on _layer_hierarchy seems to produce the crash.

SPObject *SPDesktop::currentRoot() const {    return _layer_hierarchy ?  // <- crashes here        _layer_hierarchy->top() : NULL; }

** Affects: inkscape     Importance: High     Assignee: theAdib (theadib)         Status: In Progress

** Tags: crash layers regression

crash with two inkscape instances when changing layer https://bugs.launchpad.net/bugs/307195 You received this bug notification because you are a bug assignee.