See bug #1630765 for updates. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to qtbase-opensource-src in Ubuntu. https://bugs.launchpad.net/bugs/1630941
Title: Crash at shutdown in ~QNetworkConfiguration Status in qtbase-opensource-src package in Ubuntu: New Bug description: After the recent landing for bug 1618590 the Ubuntu Download Manager tests frequently crash at shutdown with the following stack trace: Thread 1 "test_mms_downlo" received signal SIGSEGV, Segmentation fault. 0x00007ffff7201b23 in QNetworkConfiguration::~QNetworkConfiguration() () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5 (gdb) bt #0 0x00007ffff7201b23 in QNetworkConfiguration::~QNetworkConfiguration() () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5 #1 0x00007ffff6f31169 in QMetaType::destroy(int, void*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007ffff6f46bf9 in QMetaCallEvent::~QMetaCallEvent() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007ffff6f46c79 in QMetaCallEvent::~QMetaCallEvent() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff6f1c9a8 in QCoreApplicationPrivate::cleanupThreadData() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff6f1ca8a in QCoreApplicationPrivate::~QCoreApplicationPrivate() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007ffff6f1cba9 in QCoreApplicationPrivate::~QCoreApplicationPrivate() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007ffff6f510dc in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007ffff6f1ed12 in QCoreApplication::~QCoreApplication() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x0000000000449bbc in main (argc=1, argv=<optimised out>) at /home/mike/src/udm/fix-1628635/tests/downloads/daemon/test_mms_download.cpp:97 This commit seems especially relevant: https://codereview.qt- project.org/#/c/172173/ Neither this test, nor UDM itself make any explicit use of QPluginLoader, so this is unlikely to be a case of UDM incorrectly unloading a plugin itself. To reproduce simply run UDM's test_mms_download test a number of times (crashes only occur intermittently). When tested with a silo without the three patches added for bug 1618590 this crash no-longer occurs. A similar crash appears to be happening in webbrowser-app as well: https://bugs.launchpad.net/ubuntu/+source/webbrowser-app/+bug/1630765 Possibly another similar crash in ~QNetworkSession: https://bugs.launchpad.net/ubuntu/+source/webbrowser-app/+bug/1630510 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1630941/+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
