compiz crashed with SIGSEGV in nux::InputArea::StartDragAsSource()

StacktraceTop:
 nux::InputArea::StartDragAsSource (this=0x7f1e280748c8) at ./InputArea.cpp:810
 nux::InputArea::OnEvent (this=0x7f1e280748c8, event=..., TraverseInfo=<value optimized out>, ProcessEventInfo=<value optimized out>) at ./InputArea.cpp:510
 nux::Layout::ProcessEvent (this=0x1189490, ievent=..., TraverseInfo=<value optimized out>, ProcessEventInfo=0) at ./Layout.cpp:746
 nux::Layout::ProcessEvent (this=0x117fbe0, ievent=..., TraverseInfo=<value optimized out>, ProcessEventInfo=0) at ./Layout.cpp:751
 nux::Layout::ProcessEvent (this=0x117cbf0, ievent=..., TraverseInfo=<value optimized out>, ProcessEventInfo=0) at ./Layout.cpp:751

Seen here - fresh install with 03/19 iso
At best can drag an icon once per session, next attempt 'freezes' the applications lens and clicking out crashes compiz
Many times can't do even once
Only seen when dragging from applications.place (dash), from any other location dragging & dropping .desktops into launcher works fine

I expirienced this while dragging an icon from dash to launcher.
Compiz crashed and I restarted it from TTY

Hi, can someone who was receiving this crash please try with latest Unity (3.8.2) please? We're a bit stumped about this bug as we think it's fixed but need some validation, thanks!

It absolutely doesn't crash anything anymore, (hasn't for a bit

Testing again on beta 1, updated, - it works as intended for the most part
Most times it seems you only get 'one chance' in that if you hesitant too much, or change mind and don't drop the icon in the launcher then when trying again WITH the Same Icon the launcher doesn't respond, ie. the icons don't separate
Similar to what would happen if you tried to add the same app twice

 It also seems that if you remove an icon from the launcher you again can't add ANY new ones to the launcher

A logout/in restores the ability to try again, in all cases

The original bug also affected me, but I am not able to reproduce it on unity-3.8.2-0ubuntu1.

Regarding Doug's issues:
1) I cannot reproduce the freezing, the icons always separate for me, but a duplicate shortcut wont' be added.
2) I cannot add a previously deleted icon to the launcher (Thought this should be a new bug 752740)
3) I can still add other icons the launcher, however. It's not locked or otherwise stuck.

Upon further testing on another install I, like chad, can't duplicate some of the things i mentioned. on that install.
Generally I try to confirm here on 2 installs and sometimes with a fresh one as well. Every thing will get fresh installs this weekend, it seen then will start new bug

Marked fix commited as reporters cant seem to reproduce the crash anymore (and I vaguely remember fixing this some time ago)

This bug was fixed in the package nux - 0.9.40-0ubuntu1

---------------
nux (0.9.40-0ubuntu1) natty; urgency=low

  * New upstream release.
    - [fglrx] compiz crashed with SIGSEGV in nux::IOpenGLSurface::UnlockRect()
      (LP: #685682)
    - compiz crashed with SIGSEGV in
      nux::WindowCompositor::ViewWindowPreEventCycle() (LP: #741952)
    - Missing icons in app launcher (LP: #728393)
    - compiz crashed with SIGSEGV in malloc_consolidate() (LP: #743738)
    - compiz crashed with SIGSEGV in nux::BaseWindow::IsModal() (LP: #749675)
    - compiz crashed with SIGSEGV in
      nux::GpuRenderStates::SubmitChangeStates() (LP: #722391)
    - compiz crashed with SIGSEGV in nux::InputArea::StartDragAsSource()
      (LP: #737519)
    - unity_support_test crashed with SIGSEGV in
      nux::IOpenGLAsmVertexShader::IOpenGLAsmVertexShader() (LP: #734519)
    - compiz crashed with SIGSEGV in nux::WindowCompositor::RenderTopViews()
      (LP: #747486)
  * debian/copyright:
    - licence is now LGPL2.1+
  * ABI break, add Breaks: unity (<< 3.8.4)
  * debian/rules:
    - bump the shlib
 -- Didier Roche <email address hidden> Thu, 07 Apr 2011 18:26:13 +0200