compiz crashed with SIGSEGV in sigc::internal::signal_emit0<void, sigc::nil>::emit()

[Dennis English]

x crashed, can't type but the mouse works.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: libnux-0.9-0 0.9.30-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Sat Mar 5 16:27:57 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x901c3f7 <_ZN4sigc8internal12signal_emit0IvNS_3nilEE4emitEPNS0_11signal_implE+151>: mov 0x4(%eax),%edx
 PC (0x0901c3f7) ok
 source "0x4(%eax)" (0xe900000c) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 sigc::internal::signal_emit0<void, sigc::nil>::emit(sigc::internal::signal_impl*) () from /usr/lib/compiz/libunityshell.so
 Launcher::EventLogic() () from /usr/lib/compiz/libunityshell.so
 Launcher::DrawContent(nux::GraphicsEngine&, bool) () from /usr/lib/compiz/libunityshell.so
 nux::View::ProcessDraw(nux::GraphicsEngine&, bool) () from /usr/lib/libnux-0.9.so.0
 nux::Layout::ProcessDraw(nux::GraphicsEngine&, bool) () from /usr/lib/libnux-0.9.so.0
Title: compiz crashed with SIGSEGV in sigc::internal::signal_emit0<void, sigc::nil>::emit()
UpgradeStatus: Upgraded to natty on 2011-03-03 (1 days ago)
UserGroups: adm admin cdrom dialout dip fax floppy fuse lpadmin plugdev sambashare tape video

[Apport retracing service (apport)]

StacktraceTop:
 empty (impl=0xa33f228) at /usr/include/sigc++-2.0/sigc++/functors/slot_base.h:273
 sigc::internal::signal_emit0<void, sigc::nil>::emit (impl=0xa33f228) at /usr/include/sigc++-2.0/sigc++/signal.h:774
 emit (this=0x9c02410) at /usr/include/sigc++-2.0/sigc++/signal.h:2671
 Launcher::EventLogic (this=0x9c02410) at /build/buildd/unity-3.6.0/src/Launcher.cpp:2805
 Launcher::DrawContent (this=0x9c02410, GfxContext=..., force_draw=false) at /build/buildd/unity-3.6.0/src/Launcher.cpp:2367

[Ben Witte (bjwitte)]

not sure my bug was a duplicate, but I can confirm that the crash happens when i click transmission in the launcher when transmission is already open, a second transmission icon appears in the launcher panel and then compiz crashes

[Omer Akram (om26er)]

Yes, Ben I have the same symptoms and this is the right bug. Also I have noticed this crash only happens with non-favorite applications. i.e. those which are not pinned to the launcher.

[Alan Musnikow (am)]

I agree about "non-favorite" applications.
When I experienced duplicate bug #733586 I was using an application that was not pinned to the launcher when compiz crashed.

[Kate Stewart (kate.stewart)]

Fix is not ready, but in discussion with Didier, this is not a blocker for beta. Have moved milestone accordingly. Need to make sure its documented in release notes.

[Brian Murray (brian-murray)]

Bug 742974 looks to me like a duplicate of this one.

[Jay Taoko (jaytaoko)]

I cannot reproduce this bug with Unity trunk. Is there a fix already or is it a work in progress?

[YangZhou (sink-cup)]

It's difficult to reproduce .
I manually install Nvidia 9800GT driver on Ubuntu 10.10 x64,then I upgrade to Ubuntu 11.04 through network.It can't display desktop.
Then I uninstall Nvidia driver,reset xorg.conf,reboot,see 800x600 desktop,install Nvidia driver through Ubuntu system tools,reboot,unistall and install Nvidia driver in recovery mode,again and again,at last,I can see 1600x900 desktop.
But sometime It crash.

[Launchpad Janitor (janitor)]

This bug was fixed in the package nux - 0.9.38-0ubuntu1

---------------
nux (0.9.38-0ubuntu1) natty; urgency=low

  * New upstream release.
    - compiz crashed with SIGSEGV in std::_List_node_base::_M_hook()
      (LP: #711916)
    - compiz crashed with SIGSEGV in nux::View::PostProcessEvent2()
      (LP: #712498)
    - compiz crashed with SIGSEGV in sigc::internal::signal_emit0<void,
      sigc::nil>::emit() (LP: #729715)
    - compiz crashed with SIGSEGV in brw_validate_state() (LP: #730707)
    - Finish Nux detection tool support (LP: #722089)
    - compiz crashed with SIGABRT in raise() (LP: #741942)
    - compiz crashed with SIGSEGV in PanelMenuView::ProcessEvent()
      (LP: #742139)
    - compiz crashed with SIGSEGV in operator->() (LP: #741961)
    - Graphics hardware capability detection (LP: #685208)
    - compiz crashed with SIGSEGV in nux::GraphicsDisplay::GrabPointer()
      (LP: #740784)
    - compiz crashed with SIGSEGV in nux::Area::InitiateResizeLayout()
      (LP: #741977)
    - compiz crashed with SIGSEGV in nux::GraphicsDisplay::GrabKeyboard()
      (LP: #742233)
    - Missing child addition signals on nux::Layout and nux::View
      (LP: #734803)
    - compiz crashed with SIGSEGV in
      nux::GpuRenderStates::SubmitChangeStates() (LP: #735908)
    - unity_support_test crashed with SIGSEGV (LP: #743848)
  * debian/control:
    - adding libpci-dev build-dep for the new lighter unity_support_tool
 -- Didier Roche <email address hidden> Fri, 01 Apr 2011 11:15:39 +0200

[Launchpad Janitor (janitor)]

This bug was fixed in the package unity - 3.8.2-0ubuntu1

---------------
unity (3.8.2-0ubuntu1) natty; urgency=low

  * New upstream release.
    - compiz crashed with SIGSEGV in std::_List_node_base::_M_hook()
      (LP: #711916)
    - New window tracking system breaks in the case where windows try to
      restack relative to destroyed windows that were never mapped
      (LP: #723014)
    - does not display icons until hovered (LP: #726033)
    - Unity Launcher has black spaces where icons should be (LP: #729353)
    - compiz crashed with SIGSEGV in sigc::internal::signal_emit0<void,
      sigc::nil>::emit() (LP: #729715)
    - compiz crashed with SIGSEGV in SimpleLauncherIcon::OnIconThemeChanged()
      (LP: #741652)
    - compiz crashed with SIGSEGV in free() (LP: #738864)
    - compiz crashed with SIGSEGV in g_closure_invoke() (LP: #741674)
    - compiz crashed with SIGSEGV in free() (LP: #742300)
    - Unity can't get touch the touch initialization signals from GEIS
      (LP: #742555)
    - Windows that reparent away from the root before they are mapped can
      cause other windows to become invisible (and compiz to crash)
      (LP: #743011)
    - compiz crashed with SIGSEGV in gdk_cairo_set_source_pixbuf()
      (LP: #744231)
    - [dash] Keyboard navigation not implemented as specified (LP: #608132)
    - xterms broken in unity (LP: #692463)
    - Unity opens application menu on Alt+F10 shortcut (LP: #722674)
    - First four items in Dash begin "Find" "Find" "Find" "Find" (LP: #729002)
    - Increase the size of the top left Launcher reveal area from 1px to a
      slightly larger triangle that comes out of the top left corner
      (LP: #736034)
    - Add a test case for invisible windows regressions (LP: #736876)
    - Re-sync with xquerytree to avoid stacking order issues (LP: #740465)
    - Keyboard navigation: quicklist not opening for Trash launcher item
      (LP: #741793)
    - Wrong window moves (LP: #741656)
    - compiz crashed with SIGSEGV in
      SimpleLauncherIcon::ActivateLauncherIcon() (LP: #742110)
    - Combo in the search bar did not disappear after the places was closed
      (LP: #742712)
    - Expo doesn't quit reliably when using keynav or shortcut (LP: #744196)
    - Make the BFB icon turn blue when an application goes urgent
      (LP: #744973)
    - Launcher - increase "launcher reveal %" for 'Fade and slide' launcher
      reveal transition to 65% (LP: #745602)
    - Arrows do not fade out with rest of launcher durring DND (LP: #746811)
    - Don't create windows over the launcher (LP: #688816)
    - Launcher - Indicate which application is currently focused with a
      glowing Launcher icon (LP: #676604)
    - Unity Grid is broken for multi-monitor setups (LP: #709221)
    - dynamic quicklists are not working (LP: #729074)
    - When windows open for the first time they should not hide the launcher
      (LP: #723878)
    - it is still possible to quit unity from the panel (LP: #733725)
    - Selection does not fit small icons in Unity Dash (LP: #735746)
    - Unmounting media gives no error when failed (LP: #737633)
    - ATI/fglrx workaround patch (LP: #740298)
    - "Files & Folders" tooltip say...