Upstream has committed a post-5.3.2 fix to their Qt 5.3 stable branch that I can cherry-pick to the next vivid upload.
** Changed in: qtdeclarative-opensource-src (Ubuntu) Assignee: (unassigned) => Timo Jyrinki (timo-jyrinki) ** Changed in: qtdeclarative-opensource-src (Ubuntu) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to qtdeclarative-opensource- src in Ubuntu. https://bugs.launchpad.net/bugs/1295119 Title: qmlscene crashed with SIGSEGV in mark() Status in “qtdeclarative-opensource-src” package in Ubuntu: In Progress Bug description: Running my app https://launchpad.net/akari on Ubuntu Trusty sometimes gives me a segfault at the start. ProblemType: Crash DistroRelease: Ubuntu 14.04 Package: qmlscene 5.2.1-3ubuntu10 ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6 Uname: Linux 3.13.0-18-generic x86_64 ApportVersion: 2.13.3-0ubuntu1 Architecture: amd64 CurrentDesktop: Unity Date: Thu Mar 20 14:06:36 2014 EcryptfsInUse: Yes ExecutablePath: /usr/lib/x86_64-linux-gnu/qt5/bin/qmlscene InstallationDate: Installed on 2014-03-16 (3 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140316) ProcCmdline: /usr/lib/x86_64-linux-gnu/qt5/bin/qmlscene akari.qml SegvAnalysis: Segfault happened at: 0x7f481c54bc9e <_ZN3QV46Object11markObjectsEPNS_7ManagedEPNS_15ExecutionEngineE+94>: movzbl 0x8(%rax),%ecx PC (0x7f481c54bc9e) ok source "0x8(%rax)" (0x00000098) not located in a known VMA region (needed readable region)! destination "%ecx" ok SegvReason: reading NULL VMA Signal: 11 SourcePackage: qtdeclarative-opensource-src StacktraceTop: QV4::Object::markObjects(QV4::Managed*, QV4::ExecutionEngine*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 QV4::MemoryManager::mark() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 QV4::MemoryManager::runGC() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 QV4::MemoryManager::alloc(unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 QV4::ExecutionEngine::newString(QString const&) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 Title: qmlscene crashed with SIGSEGV in QV4::Object::markObjects() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm autopilot cdrom dip lpadmin plugdev sambashare sudo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtdeclarative-opensource-src/+bug/1295119/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp