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[Bug 1337221] Re: qmlscene crashed with SIGSEGV in QmlIR::QmlUnitGenerator::generate()

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Timo Jyrinki <timo.jyrinki@xxxxxxxxxxxxx>
Date: Fri, 18 Jul 2014 13:24:39 -0000
Reply-to: Bug 1337221 <1337221@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: qtdeclarative-opensource-src (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1337221

Title:
  qmlscene crashed with SIGSEGV in QmlIR::QmlUnitGenerator::generate()

Status in “qtdeclarative-opensource-src” package in Ubuntu:
  Incomplete

Bug description:
  Running a project I hadn't touched in a while [1] caused the crash.
  However a basic "hello world" QML file [2] is fine.

  [1] - https://github.com/jamesodhunt/qml-noughts-and-crosses
  [2] - http://qt-project.org/doc/qt-5/qmlfirststeps.html

  ProblemType: Crash
  DistroRelease: Ubuntu 14.10
  Package: qmlscene 5.3.0-3ubuntu6
  ProcVersionSignature: Ubuntu 3.15.0-6.11-generic 3.15.0
  Uname: Linux 3.15.0-6-generic x86_64
  ApportVersion: 2.14.4-0ubuntu1
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: Unity
  Date: Thu Jul  3 09:30:26 2014
  ExecutablePath: /usr/lib/x86_64-linux-gnu/qt5/bin/qmlscene
  InstallationDate: Installed on 2014-04-11 (82 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Daily amd64 (20140409)
  ProcCmdline: /usr/lib/x86_64-linux-gnu/qt5/bin/qmlscene -I /home/username/src/qml/qml-noughts-and-crosses -I /usr/bin -I /usr/lib/i386-linux-gnu/qt5/qml /home/username/src/qml/qml-noughts-and-crosses/noughts-and-crosses.qml
  SegvAnalysis:
   Segfault happened at: 0x7ff039273c89 <_ZN5QmlIR16QmlUnitGenerator8generateERNS_8DocumentE+41>:	mov    (%rax),%rax
   PC (0x7ff039273c89) ok
   source "(%rax)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: qtdeclarative-opensource-src
  StacktraceTop:
   QmlIR::QmlUnitGenerator::generate(QmlIR::Document&) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
   ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
   ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
   ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
   ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
  Title: qmlscene crashed with SIGSEGV in QmlIR::QmlUnitGenerator::generate()
  UpgradeStatus: Upgraded to utopic on 2014-05-08 (55 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sbuild sudo

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