Ubuntu
unity package

compiz crashed with SIGSEGV in unity::launcher::LauncherModel::begin() from unity::launcher::LauncherModel::GetSublist() from unity::launcher::Controller::Impl::OnLauncherAddRequestSpecial()

Bug #1047760 reported by José Pinto on 2012-09-08

This bug affects 8 people

	Status	Importance	Assigned to	Milestone
Unity	Fix Released	High	Andrea Azzarone	Unity 7.0.0 "R series"
6.0	Fix Released	High	Andrea Azzarone	Unity 6.12.0 "SRU-1"
unity (Ubuntu)	Fix Released	High	Andrea Azzarone
Quantal	Fix Released	Undecided	Unassigned

Bug Description

[Impact]

compiz crashed with SIGSEGV in unity::launcher::LauncherModel::begin() from unity::launcher::LauncherModel::GetSublist() from unity::launcher::Controller::Impl::OnLauncherAddRequestSpecial()

[Test Case]

Not very easy to reproduce, ensure no regressions.

[Regression Potential]

Low, unregistering a gdbus object properly.

---

crash happened wile using software center.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: unity 6.4.0-0ubuntu5
ProcVersionSignature: Ubuntu 3.5.0-14.15-generic 3.5.3
Uname: Linux 3.5.0-14-generic x86_64
ApportVersion: 2.5.1-0ubuntu7
Architecture: amd64
Date: Sat Sep 8 09:42:39 2012
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcCmdline: compiz
SegvAnalysis:
Segfault happened at: 0x7ff3c83a9530 <_ZN5unity8launcher13LauncherModel5beginEv>: mov 0x88(%rdi),%rax
PC (0x7ff3c83a9530) ok
source "0x88(%rdi)" (0x00000088) not located in a known VMA region (needed readable region)!
destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
unity::launcher::LauncherModel::begin() () from /usr/lib/compiz/libunityshell.so
std::list<nux::ObjectPtr<unity::launcher::AbstractLauncherIcon>, std::allocator<nux::ObjectPtr<unity::launcher::AbstractLauncherIcon> > > unity::launcher::LauncherModel::GetSublist<unity::launcher::BamfLauncherIcon>() () from /usr/lib/compiz/libunityshell.so
unity::launcher::Controller::Impl::OnLauncherAddRequestSpecial(std::string const&, std::string const&, std::string const&, int, int, int) () from /usr/lib/compiz/libunityshell.so
unity::launcher::Controller::Impl::OnDBusMethodCall(_GDBusConnection*, char const*, char const*, char const*, char const*, _GVariant*, _GDBusMethodInvocation*, void*) () from /usr/lib/compiz/libunityshell.so
?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
Title: compiz crashed with SIGSEGV in unity::launcher::LauncherModel::begin()
UpgradeStatus: Upgraded to quantal on 2012-09-07 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

See original description

Tags:

Related branches

lp:~azzar1/unity/fix-1047760

Merged into lp:unity at revision 2840

Marco Trevisan (Treviño): Approve on 2012-10-15

PS Jenkins bot: Pending (continuous-integration) requested 2012-10-15

lp:~azzar1/unity/fix-1047760-6.0

Merged into lp:unity/6.0 at revision 2787

Marco Trevisan (Treviño): Approve on 2012-10-17

lp:~timo-jyrinki/ubuntu/quantal/unity/ubuntu.6120

Revision history for this message

José Pinto (spintoj) wrote on 2012-09-08:

Dependencies.txt Edit (24.7 KiB, text/plain; charset="utf-8")
Disassembly.txt Edit (1.3 KiB, text/plain; charset="utf-8")
ProcEnviron.txt Edit (141 bytes, text/plain; charset="utf-8")
ProcMaps.txt Edit (108.9 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (821 bytes, text/plain; charset="utf-8")
Registers.txt Edit (794 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (1.5 KiB, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (4.1 KiB, text/plain; charset="utf-8")
XsessionErrors.txt Edit (2.3 KiB, text/plain; charset="utf-8")

Revision history for this message

Apport retracing service (apport) wrote on 2012-09-08: Stacktrace.txt

Stacktrace.txt Edit (4.0 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2012-09-08: StacktraceSource.txt

StacktraceSource.txt Edit (2.7 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2012-09-08: StacktraceTop.txt

StacktraceTop.txt Edit (1.1 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2012-09-08: ThreadStacktrace.txt

ThreadStacktrace.txt Edit (10.4 KiB, text/plain)

Changed in unity (Ubuntu):
importance:	Undecided → Medium
tags:	removed: need-amd64-retrace

Daniel van Vugt (vanvugt) on 2012-09-10

summary:	compiz crashed with SIGSEGV in unity::launcher::LauncherModel::begin() + from unity::launcher::LauncherModel::GetSublist() from + unity::launcher::Controller::Impl::OnLauncherAddRequestSpecial()
visibility:	private → public

Revision history for this message

Launchpad Janitor (janitor) wrote on 2012-09-10:

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

Changed in unity (Ubuntu):
status:	New → Confirmed

Bilal Akhtar (bilalakhtar) on 2012-09-11

Changed in unity:
assignee:	nobody → Bilal Akhtar (bilalakhtar)
importance:	Undecided → Medium
Changed in unity (Ubuntu):
assignee:	nobody → Bilal Akhtar (bilalakhtar)
Changed in unity:
status:	New → Triaged
Changed in unity (Ubuntu):
status:	Confirmed → Triaged

Omer Akram (om26er) on 2012-09-11

Changed in unity:
milestone:	none → 6.6
importance:	Medium → High
Changed in unity (Ubuntu):
importance:	Medium → High

Revision history for this message

Omer Akram (om26er) wrote on 2012-09-14:

@bilal, you working on this one?

Daniel van Vugt (vanvugt) on 2012-09-18

Changed in unity:
milestone:	6.6 → 7.0

Andrea Azzarone (azzar1) on 2012-10-12

Changed in unity:
assignee:	Bilal Akhtar (bilalakhtar) → Andrea Azzarone (andyrock)
Changed in unity (Ubuntu):
assignee:	Bilal Akhtar (bilalakhtar) → Andrea Azzarone (andyrock)
Changed in unity:
status:	Triaged → In Progress
Changed in unity (Ubuntu):
status:	Triaged → In Progress

PS Jenkins bot (ps-jenkins) on 2012-10-15

Changed in unity:
status:	In Progress → Fix Committed

Timo Jyrinki (timo-jyrinki) on 2012-11-07

description:

updated

Łukasz Zemczak (sil2100) on 2012-11-08

description:

updated

Timo Jyrinki (timo-jyrinki) on 2012-11-12

Changed in unity (Ubuntu Quantal):
status:	New → In Progress

Revision history for this message

Launchpad Janitor (janitor) wrote on 2012-11-12:

This bug was fixed in the package unity - 6.12.0-0ubuntu1

---------------
unity (6.12.0-0ubuntu1) raring; urgency=low

  * New upstream release.
    - Includes two already cherry-picked fixes in Ubuntu
    - Unregister gdbus object in the dtor (LP: #1047760)
    - Top panel "tooltip" got out of sync when navigating with the
      keyboard (LP: #1067358)
    - Fix escaping of _panel_title (LP: #1067357)
    - Fix ALT+Tab switches to incorrect window (LP: #1071298)
    - Stop Unity UI elements from flickering in some cases (LP: #1070735)
-- Timo Jyrinki <email address hidden> Thu, 08 Nov 2012 11:10:13 +0200

Changed in unity (Ubuntu):
status:	In Progress → Fix Released

Revision history for this message

Chris Halse Rogers (raof) wrote on 2012-11-27: Please test proposed package

#10

Hello José, or anyone else affected,

Accepted unity into quantal-proposed. The package will build now and be available at http://launchpad.net/ubuntu/+source/unity/6.12.0-0ubuntu0.1 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please change the bug tag from verification-needed to verification-done. If it does not, change the tag to verification-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

Changed in unity (Ubuntu Quantal):
status:	In Progress → Fix Committed
tags:	added: verification-needed

Revision history for this message

Brian Murray (brian-murray) wrote on 2013-01-03:

#11

Hello José, or anyone else affected,

Accepted unity into quantal-proposed. The package will build now and be available at http://launchpad.net/ubuntu/+source/unity/6.12.0-0ubuntu0.2 in a few hours, and then in the -proposed repository.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-needed to verification-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

Revision history for this message

Timo Jyrinki (timo-jyrinki) wrote on 2013-01-04:

#12

I've been running the same 6.12 build from SRU PPA since early December without noticing any regressions.

tags:	added: verification-donee removed: verification-needed
tags:	added: verification-done removed: verification-donee

Revision history for this message

Colin Watson (cjwatson) wrote on 2013-01-11: Update Released

#13

The verification of this Stable Release Update has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regresssions.

Revision history for this message

Launchpad Janitor (janitor) wrote on 2013-01-11:

#14

This bug was fixed in the package unity - 6.12.0-0ubuntu0.2

---------------
unity (6.12.0-0ubuntu0.2) quantal-proposed; urgency=low

* Cherry-pick a fix for regression in top panel title (LP: #1085045)
* Cherry-pick a fix for unity::TimeUtil::TimeDelta overflow (LP: #806248)

unity (6.12.0-0ubuntu0.1) quantal-proposed; urgency=low

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

Stephen M. Webb (bregma) on 2013-02-17

Changed in unity:
status:	Fix Committed → Fix Released

Daniel van Vugt (vanvugt) on 2013-02-19

Changed in unity:
status:	Fix Released → Fix Committed

Revision history for this message

Stephen M. Webb (bregma) wrote on 2013-04-03:

#15

Fix Released in Unity Unity 7.0.0 "R series".

Changed in unity:
status:	Fix Committed → Fix Released

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compiz crashed with SIGSEGV in unity::launcher::LauncherModel::begin() from unity::launcher::LauncherModel::GetSublist() from unity::launcher::Controller::Impl::OnLauncherAddRequestSpecial()

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