Thank you for your report! However, processing it in order to get sufficient information for the developers failed (it does not generate a useful symbolic stack trace). This might be caused by some outdated packages which were installed on your system at the time of the report:
libqt5widgets5 version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available libglapi-mesa version 11.2.0-1ubuntu2.1~overlay1 required, but 11.2.0-1ubuntu2.2 is available liboxideqt-qmlplugin version 1.15.7-0ubuntu0.16.04.1~overlay1 required, but 1.16.5-0ubuntu0.16.04.1 is available no debug symbol package found for liboxideqt-qmlplugin qml-module-ubuntu-layouts version 1.3.2030+16.04.20160726.2 required, but 1.3.1918+16.04.20160404-0ubuntu1 is available libandroid-properties1 version 0.1.0+git20151016+6d424c9-0ubuntu22~xenial1 required, but 0.1.0+git20151016+6d424c9-0ubuntu7 is available qml-module-qttest version 5.5.1-2ubuntu7~xenialoverlay2~1 required, but 5.5.1-2ubuntu6 is available qml-module-qt-labs-settings version 5.5.1-2ubuntu7~xenialoverlay2~1 required, but 5.5.1-2ubuntu6 is available qml-module-qtquick-window2 version 5.5.1-2ubuntu7~xenialoverlay2~1 required, but 5.5.1-2ubuntu6 is available libqt5dbus5 version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available libqt5sql5 version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available libqt5core5a version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available qml-module-ubuntu-web version 0.23+16.04.20160803.1-0ubuntu1 required, but 0.23+16.04.20160413-0ubuntu1 is available no debug symbol package found for qml-module-qtgraphicaleffects libqt5quicktest5 version 5.5.1-2ubuntu7~xenialoverlay2~1 required, but 5.5.1-2ubuntu6 is available qml-module-ubuntu-test version 1.3.2030+16.04.20160726.2 required, but 1.3.1918+16.04.20160404-0ubuntu1 is available libqt5positioning5 version 5.5.1-3ubuntu3~xenialoverlay1 required, but 5.5.1-3ubuntu1 is available suru-icon-theme version 14.04+16.04.20160720-0ubuntu1~~xenialoverlay1~1 required, but 14.04+16.04.20160621-0ubuntu1 is available libqt5qml5 version 5.5.1-2ubuntu7~xenialoverlay2~1 required, but 5.5.1-2ubuntu6 is available liboxideqtcore0 version 1.15.7-0ubuntu0.16.04.1~overlay1 required, but 1.16.5-0ubuntu0.16.04.1 is available no debug symbol package found for libflac8 libmedia-hub-client5 version 4.5.0+16.04.20160720-0ubuntu1 required, but 4.1.0+16.04.20160308.2-0ubuntu1 is available libqt5sql5-sqlite version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available libgles2-mesa version 11.2.0-1ubuntu2.1~overlay1 required, but 11.2.0-1ubuntu2.2 is available qml-module-qtquick2 version 5.5.1-2ubuntu7~xenialoverlay2~1 required, but 5.5.1-2ubuntu6 is available libqt5network5 version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available libmedia1 version 0.1.0+git20151016+6d424c9-0ubuntu22~xenial1 required, but 0.1.0+git20151016+6d424c9-0ubuntu7 is available qml-module-ubuntu-performancemetrics version 1.3.2030+16.04.20160726.2 required, but 1.3.1918+16.04.20160404-0ubuntu1 is available qml-module-ubuntu-components version 1.3.2030+16.04.20160726.2 required, but 1.3.1918+16.04.20160404-0ubuntu1 is available ubuntu-ui-toolkit-theme version 1.3.2030+16.04.20160726.2 required, but 1.3.1918+16.04.20160404-0ubuntu1 is available no debug symbol package found for ubuntu-ui-toolkit-theme libgbm1 version 11.2.0-1ubuntu2.1~overlay1 required, but 11.2.0-1ubuntu2.2 is available libgl1-mesa-dri version 11.2.0-1ubuntu2.1~overlay1 required, but 11.2.0-1ubuntu2.2 is available qtdeclarative5-ubuntu-ui-toolkit-plugin version 1.3.2030+16.04.20160726.2 required, but 1.3.1918+16.04.20160404-0ubuntu1 is available no debug symbol package found for qtdeclarative5-ubuntu-ui-toolkit-plugin no debug symbol package found for debianutils ubuntu-mobile-icons version 14.04+16.04.20160720-0ubuntu1~~xenialoverlay1~1 required, but 14.04+16.04.20160621-0ubuntu1 is available libubuntugestures5 version 1.3.2030+16.04.20160726.2 required, but 1.3.1918+16.04.20160404-0ubuntu1 is available libqt5quick5 version 5.5.1-2ubuntu7~xenialoverlay2~1 required, but 5.5.1-2ubuntu6 is available webbrowser-app version 0.23+16.04.20160803.1-0ubuntu1 required, but 0.23+16.04.20160413-0ubuntu1 is available libqt5multimedia5 version 5.5.1-4ubuntu4~~xenialoverlay1 required, but 5.5.1-4ubuntu2 is available qml-module-qt-labs-folderlistmodel version 5.5.1-2ubuntu7~xenialoverlay2~1 required, but 5.5.1-2ubuntu6 is available libegl1-mesa version 11.2.0-1ubuntu2.1~overlay1 required, but 11.2.0-1ubuntu2.2 is available libhybris-common1 version 0.1.0+git20151016+6d424c9-0ubuntu22~xenial1 required, but 0.1.0+git20151016+6d424c9-0ubuntu7 is available libqt5test5 version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available libqt5gui5 version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available libmedia-hub-common5 version 4.5.0+16.04.20160720-0ubuntu1 required, but 4.1.0+16.04.20160308.2-0ubuntu1 is available libpulse0 version 1:8.0-0ubuntu5 required, but 1:8.0-0ubuntu3 is available libubuntutoolkit5 version 1.3.2030+16.04.20160726.2 required, but 1.3.1918+16.04.20160404-0ubuntu1 is available no debug symbol package found for perl-base liboxideqtquick0 version 1.15.7-0ubuntu0.16.04.1~overlay1 required, but 1.16.5-0ubuntu0.16.04.1 is available no debug symbol package found for liboxideqtquick0 libqt5widgets5 version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available no debug symbol package found for libhardware2 libandroid-properties1 version 0.1.0+git20151016+6d424c9-0ubuntu22~xenial1 required, but 0.1.0+git20151016+6d424c9-0ubuntu7 is available libqt5sql5 version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available libqt5core5a version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available libqt5qml5 version 5.5.1-2ubuntu7~xenialoverlay2~1 required, but 5.5.1-2ubuntu6 is available no debug symbol package found for libgflags2v5 libqt5network5 version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available libqt5dbus5 version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available libqt5quick5 version 5.5.1-2ubuntu7~xenialoverlay2~1 required, but 5.5.1-2ubuntu6 is available no debug symbol package found for libgoogle-glog0v5 libhybris-common1 version 0.1.0+git20151016+6d424c9-0ubuntu22~xenial1 required, but 0.1.0+git20151016+6d424c9-0ubuntu7 is available libqt5gui5 version 5.5.1+dfsg-16ubuntu7.2~xenialoverlay1~1 required, but 5.5.1+dfsg-16ubuntu7.1 is available webbrowser-app version 0.23+16.04.20160803.1-0ubuntu1 required, but 0.23+16.04.20160413-0ubuntu1 is available Please upgrade your system to the latest package versions. If you still encounter the crash, please file a new report. Thank you for your understanding, and sorry for the inconvenience! ** Attachment removed: "CoreDump.gz" https://bugs.launchpad.net/bugs/1613981/+attachment/4722521/+files/CoreDump.gz ** Tags removed: need-armhf-retrace -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to webbrowser-app in Ubuntu. https://bugs.launchpad.net/bugs/1613981 Title: webbrowser-app crashed with signal 7 in QThreadData::ref() on start on xenial Status in Canonical System Image: New Status in webbrowser-app package in Ubuntu: Invalid Bug description: Steps: * flash ubuntu-touch/staging/ubuntu on krillin or frieza * start browser ProblemType: Crash DistroRelease: Ubuntu 16.04 Package: webbrowser-app 0.23+16.04.20160803.1-0ubuntu1 [origin: LP-PPA-ci-train-ppa-service-stable-phone-overlay] Uname: Linux 3.4.67 armv7l ApportVersion: 2.20.1-0ubuntu2.1 Architecture: armhf CurrentDesktop: Unity Date: Wed Aug 17 07:01:27 2016 ExecutablePath: /usr/bin/webbrowser-app ExecutableTimestamp: 1470217566 InstallationDate: Installed on 2016-08-16 (1 days ago) InstallationMedia: Ubuntu 16.04.1 LTS - armhf (20160816-020404) ProcCmdline: webbrowser-app ProcCwd: /home/phablet Registers: $8 = 0x0 Signal: 7 SourcePackage: webbrowser-app StacktraceTop: QThreadData::ref() (_q_value=@0x9: <error reading variable>) at ../../include/QtCore/../../src/corelib/arch/qatomic_armv6.h:123 QThreadData::ref() (this=0x9) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:127 QThreadData::ref() (this=0x9) at thread/qthread.cpp:93 QObject::QObject(QObjectPrivate&, QObject*) (this=0xb661e778 <_ZZN12_GLOBAL__N_112Q_QGS_loader13innerFunctionEvE6holder>, dd=..., parent=0x0) at kernel/qobject.cpp:835 QFactoryLoader::QFactoryLoader(char const*, QString const&, Qt::CaseSensitivity) (this=0xb661e778 <_ZZN12_GLOBAL__N_112Q_QGS_loader13innerFunctionEvE6holder>, iid=0xb65e9290 "org.qt-project.Qt.QPA.QPlatformThemeFactoryInterface.5.1", suffix=..., cs=Qt::CaseInsensitive) at plugin/qfactoryloader.cpp:96 Title: webbrowser-app crashed with signal 7 in QThreadData::ref() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dialout dip plugdev sudo tty video To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1613981/+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