What is the value of $QT_QPA_PLATFORMTHEME on your system? Did you also upgrade appmenu-qt5?
** Changed in: qtbase-opensource-src (Ubuntu) Status: In Progress => Incomplete -- 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/1620870 Title: After updating to qtbase-opensource-src 5.6.1+dfsg-3ubuntu3~3, Quassel crashes every time on start Status in qtbase-opensource-src package in Ubuntu: Incomplete Bug description: Reverting to the previous version fixes the problem. Here is the stacktrace from the crash: #0 0x0000000000000000 in ?? () #1 0x00007ffff3896c5e in copyActionToPlatformItem (action=action@entry=0x555555d65820, item=item@entry=0x555555e24380, itemsMenu=0x555555ede310) at widgets/qmenu.cpp:3228 #2 0x00007ffff3896861 in QMenuPrivate::syncPlatformMenu (this=0x555555e0a680) at widgets/qmenu.cpp:202 #3 0x00007ffff3896977 in QMenu::setPlatformMenu (this=this@entry=0x555555f40df0, platformMenu=<optimized out>) at widgets/qmenu.cpp:3425 #4 0x00007ffff3a85a15 in QSystemTrayIconPrivate::addPlatformMenu (this=0x555555ef0260, menu=0x555555f40df0) at util/qsystemtrayicon.cpp:761 #5 0x00007ffff3a85af2 in QSystemTrayIconPrivate::updateMenu_sys_qpa (this=0x555555ef0260) at util/qsystemtrayicon.cpp:710 #6 0x00007ffff3aa395f in QSystemTrayIconPrivate::updateMenu_sys (this=<optimized out>) at util/qsystemtrayicon_x11.cpp:312 #7 0x00007ffff3a85033 in QSystemTrayIcon::setContextMenu (this=<optimized out>, menu=<optimized out>) at util/qsystemtrayicon.cpp:171 #8 0x00005555556b6d22 in LegacySystemTray::init (this=this@entry=0x55555603ba30) at /build/quassel-R1VeAR/quassel-0.12.4/src/qtui/legacysystemtray.cpp:62 #9 0x00005555556dea93 in StatusNotifierItem::init (this=0x55555603ba30) at /build/quassel-R1VeAR/quassel-0.12.4/src/qtui/statusnotifieritem.cpp:110 #10 0x00005555556c0db3 in MainWin::setupSystray (this=this@entry=0x555555d40e40) at /build/quassel-R1VeAR/quassel-0.12.4/src/qtui/mainwin.cpp:1014 #11 0x00005555556c10a2 in MainWin::init (this=0x555555d40e40) at /build/quassel-R1VeAR/quassel-0.12.4/src/qtui/mainwin.cpp:221 #12 0x00005555556c52f4 in QtUi::init (this=0x555555cc4340) at /build/quassel-R1VeAR/quassel-0.12.4/src/qtui/qtui.cpp:81 #13 0x000055555566d45d in QtUiApplication::init (this=0x7fffffffdd20) at /build/quassel-R1VeAR/quassel-0.12.4/src/qtui/qtuiapplication.cpp:162 #14 0x000055555566aa4c in main (argc=1, argv=0x7fffffffde88) at /build/quassel-R1VeAR/quassel-0.12.4/src/common/main.cpp:210 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1620870/+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