compiz crashed with SIGSEGV in sigc::signal_base::impl()

StacktraceTop:
 sigc::signal_base::impl() const () from /tmp/tmp32t4cX/usr/lib/libsigc-2.0.so.0
 sigc::signal_base::connect(sigc::slot_base const&) () from /tmp/tmp32t4cX/usr/lib/libsigc-2.0.so.0
 connect (slot_=<optimized out>, this=<optimized out>) at /usr/include/sigc++-2.0/sigc++/signal.h:2661
 UnityScreen::UnityScreen (this=0x97155b0, screen=0x92852f0) at /build/buildd/unity-4.8.2/plugins/unityshell/src/unityshell.cpp:148
 getInstance (base=<optimized out>) at /usr/include/compiz/core/pluginclasshandler.h:159

Just got this when disabling and enabling the unity plugin in oneiric beta 2

help

This error popped up after I unchecked wobbly windows in compiz-settings-manager.

oder problems by compiz

Triggered the problem enabling "screenshot" in ccsm.

Hey, actually I wanted to report a general problem with ccsm and compiz/unity, where I wanted screenshots.
Is there anybody out there, who has Ubuntu 11.10 oneiric and ubuntu/3D (unity) running config'd with ccsm?

Hi Klaus

Yes I have had Unity 3D working in Oneiric Beta. I think are are plenty of
problems related to the Unity Plugin. It seems though to be a bit more
stable after the latest Beta 2 updates have come through and been applied.
Sometimes I have started CCSM, switched on say, Window Decorations or the
Desktop Cube and have then tried to resolve plugin conflicts. This is the
point where the system reports a Compiz crash.

I think the best strategy is to uncheck the Unity Plugin in CCSM, switch on
the effects you want, resolve any conflicts and then switch on the Unity
Plugin again. Sometimes an attempt to start Gnome 3 instead of Unity 3D
results in the Unity Plugin unchecking itself and then you have to start the
whole thing once more from the beginning. This whole idea of the Unity
Desktop being so dependent on a Compiz Plugin is not a wonderful idea IHMO.
The thing is still fundamentally broken sadly.
Gnome 3 will not run properly at all on my system even if gnome-shell is
installed in its latest incarnation.

On another subject entirely to you have a relative called Werner Reichl in
Vienna? He runs a training centre here in Vienna and does Linux training
there.

MfG,

Best regards

Jack

On 27 September 2011 20:04, Klaus Reichl <email address hidden> wrote:

> Triggered the problem enabling "screenshot" in ccsm.
>
> Hey, actually I wanted to report a general problem with ccsm and
> compiz/unity, where I wanted screenshots.
> Is there anybody out there, who has Ubuntu 11.10 oneiric and ubuntu/3D
> (unity) running config'd with ccsm?
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (845895).
> https://bugs.launchpad.net/bugs/831769
>
> Title:
> compiz crashed with SIGSEGV in sigc::signal_base::impl()
>
> Status in Unity:
> Triaged
> Status in “compiz” package in Ubuntu:
> Confirmed
> Status in “compiz” source package in Oneiric:
> Confirmed
>
> Bug description:
> Changed a setting in compiz config settings manager (turned off Window
> decoration in the Effects group).
> Note: using compiz-testing PPA (compiz-testing-0.9.5.0)
>
> ProblemType: Crash
> DistroRelease: Ubuntu 11.10
> Package: unity 4.8.2-0ubuntu4
> ProcVersionSignature: Ubuntu 3.0.0-9.12-generic 3.0.3
> Uname: Linux 3.0.0-9-generic i686
> Architecture: i386
> CrashCounter: 1
> Date: Mon Aug 22 22:26:27 2011
> ExecutablePath: /usr/bin/compiz
> InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386
> (20110803.1)
> ProcCmdline: compiz
> ProcEnviron:
> PATH=(custom, no user)
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> SegvAnalysis:
> Segfault happened at: 0xbfae2e <_ZNK4sigc11signal_base4implEv+30>: mov
> 0x4(%edi),%esi
> PC (0x00bfae2e) ok
> source "0x4(%edi)" (0x00000084) not located in a known VMA region (needed
> readable region)!
> destination "%esi" ok
> SegvReason: reading NULL VMA
> Signal: 11
> SourcePackage: unity
> StacktraceTop:
> sigc::signal_base::impl() const () from /usr/lib/libsigc-2.0.so.0
> sigc::signal_base::connect(sigc::slot_base const&) () from
> /usr/lib/libsigc-2.0.so.0
> UnityScreen::UnityScreen(CompScreen*) () from
> /usr/lib/compiz/libunityshell.so
>...

This bug was fixed in the package nux - 1.14.0-0ubuntu1

---------------
nux (1.14.0-0ubuntu1) oneiric; urgency=low

  * New upstream release.
    - compiz crashed with SIGSEGV in nux::WindowCompositor::FindKeyFocusArea()
      (LP: #845873)
    - compiz crashed with SIGSEGV in sigc::signal_base::impl() (LP: #831769)
    - can't maximize windows on second monitor and Qt windows displayed in
      wrong place (LP: #861341)
    - Dash - Dash should support drag and drop to external applications
      (LP: #857431)
    - Dash - When the Dash is re-opened and statefully displaying a previous
      query, it should be possible to add to the query by pressing the 'right
      arrow cursor key' (LP: #841828)
    - blacklist old geforce fx cards for unity-3d (LP: #769402)
  * debian/control:
    - build-dep on libxinerama-dev
 -- Didier Roche <email address hidden> Thu, 29 Sep 2011 18:46:45 +0200

This bug was fixed in the package unity - 4.20.0-0ubuntu1

---------------
unity (4.20.0-0ubuntu1) oneiric; urgency=low

  * New upstream release + cherry-pick:
    - compiz crashed with SIGSEGV in PluginClassHandler<UnityWindow,
      CompWindow, 0>::get() (LP: #835259)
    - dash does not scroll down during keyboard navigation (LP: #852506)
    - compiz crashed with SIGSEGV in _XFreeEventCookies() (LP: #851472)
    - compiz crashed with SIGSEGV in g_object_unref() (LP: #847512)
    - compiz crashed with SIGSEGV in nux::WindowCompositor::MouseEventCycle()
      (LP: #831678)
    - compiz and X can disagree on the stacking order (LP: #845719)
    - compiz crashed with SIGSEGV in unity::dash::LensView::OnResultAdded()
      (LP: #855252)
    - CCSM crashes Unity (LP: #861643)
    - compiz crashed with SIGSEGV in PrivateWindow::addWindowStackChanges()
      (LP: #862115)
    - Touch - When dragging a window with a 3 touch, dragging to the top
      should show the maximize gesture preview. (LP: #750316)
    - compiz crashed with SIGABRT in raise() (LP: #750386)
    - Launcher - Spread should not affect the state of window (LP: #764673)
    - [UIFe] Add system setting icon to Launcher (LP: #764744)
    - compiz crashed with SIGABRT in raise() [Merely unchecking the Unity
      plugin is enough to crash Compiz...] (LP: #823386)
    - Launcher - does not hide if revealed from top 24px of the left edge of
      the screen (LP: #835989)
    - Clickable areas of previously active window remains on 'Show Desktop'
      (LP: #836325)
    - Cannot search for some apps in Dash (LP: #837075)
    - Dash - Search box cursor not responding correctly to focus (LP: #839704)
    - Multi-display: Application menu only showing on primary screen
      (LP: #845212)
    - Ellipsized values in size filter (LP: #851359)
    - (oneiric) dash result expansions don't display icons (LP: #854615)
    - run the wrong command if enter is hit before the view is refreshed
      (LP: #856205)
    - Java application windows cut-off/truncated/not displayed properly
      (LP: #857201)
    - compiz crashed with SIGSEGV in sigc::signal_base::impl() (LP: #831769)
    - Minimizing a window should switch focus to the windows underneath it
      (breaks restore) (LP: #859885)
    - Ratings filter allows ratings > 1.0 (LP: #861255)
    - Serious Unity problem stuck in spread when dragging icons back to the
      dash (LP: #862045)
    - Must use hardware keyboard to perform search for applications in Unity
      (LP: #739812)
    - Files lens should also search Downloads (LP: #748915)
    - The dash crosses the monitor boundary when resolution is 1152x864 or
      lesser width (LP: #765338)
    - Dash - dragging a file outside of the Desktop Dash should close the Dash
      (LP: #764641)
    - Text in Dash search text box overflows and doesn't crop with longer
      strings; RtL input starts in wrong place (LP: #834765)
    - Where the average background colour is either very light or dark, adjust
      this value to darken/lighten in order to preserve readability
      (LP: #837993)
    - Dash does not resize when I connect to an external display and mirror
      displays (LP: #83813...

after turn on jpg file in compiz config round qube