compiz crashed with SIGSEGV in unity::dash::LensView::OnResultAdded()

Bug #855252 reported by Bayan Rafeh
30
This bug affects 4 people
Affects Status Importance Assigned to Milestone
Unity
Fix Released
Critical
Neil J. Patel
unity (Ubuntu)
Fix Released
Critical
Unassigned

Bug Description

I'm not sure what happened here, Unity crashed directly when I booted and opened the dash. Unity seems to be crashing a lot and this is one of the instances where it does.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity 4.16.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
Uname: Linux 3.0.0-10-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
CrashCounter: 1
Date: Wed Sep 21 08:56:07 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64+mac (20110901)
ProcCmdline: compiz
SegvAnalysis:
 Segfault happened at: 0x7ff3c7b6847e <_ZN5unity4dash8LensView13OnResultAddedERKNS0_6ResultE+62>: mov (%rdx,%rax,1),%rbx
 PC (0x7ff3c7b6847e) ok
 source "(%rdx,%rax,1)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%rbx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 unity::dash::LensView::OnResultAdded(unity::dash::Result const&) () from /usr/lib/compiz/libunityshell.so
 unity::dash::Results::OnRowAdded(unity::dash::Result&) () from /usr/lib/libunity-core-4.0.so.4
 unity::dash::Model<unity::dash::Result>::OnRowAdded(_DeeModel*, _DeeModelIter*) () from /usr/lib/libunity-core-4.0.so.4
 unity::glib::Signal1<void, _DeeModel*, _DeeModelIter*>::Callback(_DeeModel*, _DeeModelIter*, unity::glib::Signal1<void, _DeeModel*, _DeeModelIter*>*) () from /usr/lib/libunity-core-4.0.so.4
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: compiz crashed with SIGSEGV in unity::dash::LensView::OnResultAdded()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

Revision history for this message
Bayan Rafeh (bayan-rafeh92) wrote :
Revision history for this message
Apport retracing service (apport) wrote :

StacktraceTop:
 unity::dash::LensView::OnResultAdded (this=0x3541a80, result=...) at /build/buildd/unity-4.16.0/plugins/unityshell/src/LensView.cpp:168
 emit (_A_a1=..., impl=<optimized out>) at /usr/include/sigc++-2.0/sigc++/signal.h:1010
 emit (_A_a1=..., this=<optimized out>) at /usr/include/sigc++-2.0/sigc++/signal.h:2781
 unity::dash::Results::OnRowAdded (this=<optimized out>, result=...) at /build/buildd/unity-4.16.0/UnityCore/Results.cpp:36
 emit (_A_a1=..., impl=<optimized out>) at /usr/include/sigc++-2.0/sigc++/signal.h:1010

Revision history for this message
Apport retracing service (apport) wrote : Stacktrace.txt
Revision history for this message
Apport retracing service (apport) wrote : ThreadStacktrace.txt
Changed in unity (Ubuntu):
importance: Undecided → Medium
tags: removed: need-amd64-retrace
Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in unity (Ubuntu):
status: New → Confirmed
Neil J. Patel (njpatel)
visibility: private → public
Neil J. Patel (njpatel)
Changed in unity:
assignee: nobody → Neil J. Patel (njpatel)
importance: Undecided → Critical
milestone: none → 4.20.0
status: New → In Progress
Changed in unity (Ubuntu):
importance: Medium → Critical
Neil J. Patel (njpatel)
Changed in unity:
status: In Progress → Fix Committed
Changed in unity (Ubuntu):
status: Confirmed → Fix Committed
Changed in unity:
status: Fix Committed → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :
Download full text (5.7 KiB)

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...

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Changed in unity (Ubuntu):
status: Fix Committed → Fix Released
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