Arch Linux

Qupzilla dumps core always when has once crashed, seen today on two machines 32 bit with arch linux after recent update, probably:
[2016-12-28 09:00] upgraded qt5-webengine (5.7.0-7 -> 5.7.1-1)

Backtrace:
Time: mer dic 28 18:41:38 2016
Qt version: 5.7.1 (compiled with 5.7.0)
QupZilla version: 2.0.2
Rendering engine: QtWebEngine

============== BACKTRACE ==============
#0: qupzilla(_Z23qupzilla_signal_handleri+0x1ae) [0x804aebe]
#1: linux-gate.so.1(__kernel_sigreturn+0) [0xb778dcf0]
#2: /usr/lib/libQt5Core.so.5(_ZNK10QJsonArray13toVariantListEv+0x34) [0xb1410c94]
#3: /usr/lib/libQt5Core.so.5(+0x2af5f8) [0xb147a5f8]
#4: /usr/lib/libQt5Core.so.5(_ZNK8QVariant6toListEv+0xb4) [0xb14797d4]
#5: /usr/lib/libQt5WebChannel.so.5(_ZN20QMetaObjectPublisher10wrapResultERK8QVariantP28QWebChannelAbstractTransportRK7QString+0xa60) [0xb0657fb0]
#6: /usr/lib/libQt5WebChannel.so.5(_ZN20QMetaObjectPublisher13handleMessageERK11QJsonObjectP28QWebChannelAbstractTransport+0x87f) [0xb065b5df]
#7: /usr/lib/libQt5Core.so.5(_ZN11QMetaObject8activateEP7QObjectiiPPv+0x82e) [0xb145d7ce]
#8: /usr/lib/libQt5Core.so.5(_ZN11QMetaObject8activateEP7QObjectPKS_iPPv+0x2d) [0xb145dcad]
#9: /usr/lib/libQt5WebChannel.so.5(_ZN28QWebChannelAbstractTransport15messageReceivedERK11QJsonObjectPS_+0x51) [0xb0661491]
#10: /usr/lib/libQt5WebEngineCore.so.5(+0x279172) [0xb2035172]
#11: /usr/lib/libQt5WebEngineCore.so.5(+0x2793de) [0xb20353de]
#12: /usr/lib/libQt5WebEngineCore.so.5(+0xfa69d1) [0xb2d629d1]
#13: /usr/lib/libQt5WebEngineCore.so.5(+0xfa83e6) [0xb2d643e6]
#14: /usr/lib/libQt5WebEngineCore.so.5(+0xf14cde) [0xb2cd0cde]
#15: /usr/lib/libQt5WebEngineCore.so.5(+0xf2393d) [0xb2cdf93d]
#16: /usr/lib/libQt5WebEngineCore.so.5(+0xf07cc3) [0xb2cc3cc3]
#17: /usr/lib/libQt5WebEngineCore.so.5(+0x18b8eba) [0xb3674eba]
#18: /usr/lib/libQt5WebEngineCore.so.5(+0x18b8888) [0xb3674888]
#19: /usr/lib/libQt5WebEngineCore.so.5(+0x1cb13c6) [0xb3a6d3c6]
#20: /usr/lib/libQt5WebEngineCore.so.5(+0x1c544b2) [0xb3a104b2]
#21: /usr/lib/libQt5WebEngineCore.so.5(+0x1c5511a) [0xb3a1111a]
#22: /usr/lib/libQt5WebEngineCore.so.5(+0x1c55621) [0xb3a11621]
#23: /usr/lib/libQt5WebEngineCore.so.5(+0x23623b) [0xb1ff223b]
#24: /usr/lib/libQt5Core.so.5(_ZN7QObject5eventEP6QEvent+0x96) [0xb145e206]
#25: /usr/lib/libQt5Widgets.so.5(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x9a) [0xb179112a]
#26: /usr/lib/libQt5Widgets.so.5(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x27c) [0xb1798fbc]
#27: /usr/lib/libQt5Core.so.5(_ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent+0x12d) [0xb142fb5d]
#28: /usr/lib/libQt5Core.so.5(_ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData+0x2de) [0xb143256e]
#29: /usr/lib/libQt5Core.so.5(_ZN16QCoreApplication16sendPostedEventsEP7QObjecti+0x27) [0xb14329c7]
#30: /usr/lib/libQt5Core.so.5(+0x2bdd83) [0xb1488d83]
#31: /usr/lib/libglib-2.0.so.0(g_main_context_dispatch+0x299) [0xaf9bc2c9]
#32: /usr/lib/libglib-2.0.so.0(+0x47569) [0xaf9bc569]
#33: /usr/lib/libglib-2.0.so.0(g_main_context_iteration+0x34) [0xaf9bc634]
#34: /usr/lib/libQt5Core.so.5(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x63) [0xb1489173]
#35: /usr/lib/libQt5XcbQpa.so.5(+0x656b1) [0xa9d9d6b1]
#36: /usr/lib/libQt5Core.so.5(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0x11d) [0xb142dc1d]
#37: /usr/lib/libQt5Core.so.5(_ZN16QCoreApplication4execEv+0x9f) [0xb1436b6f]
#38: /usr/lib/libQt5Gui.so.5(_ZN15QGuiApplication4execEv+0x21) [0xb072bb31]
#39: /usr/lib/libQt5Widgets.so.5(_ZN12QApplication4execEv+0x14) [0xb1791084]
#40: qupzilla() [0x804a2bc]
#41: /usr/lib/libc.so.6(__libc_start_main+0xf6) [0xb0e8c196]
#42: qupzilla() [0x804a724]




Steps to reproduce: kill qupzilla, restart qupzilla.

Updates:
224 [2016-12-28 08:57] upgraded qt5-base (5.7.0-7 -> 5.7.1-1)
222 [2016-12-28 08:57] upgraded qt5-xmlpatterns (5.7.0-2 -> 5.7.1-1)
221 [2016-12-28 08:57] upgraded qt5-declarative (5.7.0-3 -> 5.7.1-1)
216 [2016-12-28 08:57] upgraded qt5-x11extras (5.7.0-1 -> 5.7.1-1)
214 [2016-12-28 08:57] upgraded qt5-script (5.7.0-1 -> 5.7.1-1)
205 [2016-12-28 08:57] upgraded qt5-svg (5.7.0-1 -> 5.7.1-1)
195 [2016-12-28 08:57] upgraded attica-qt5 (5.28.0-1 -> 5.29.0-1)
180 [2016-12-28 08:57] upgraded poppler-qt5 (0.49.0-1 -> 0.50.0-1)
161 [2016-12-28 08:57] upgraded qt5-location (5.7.0-1 -> 5.7.1-1)
160 [2016-12-28 08:57] upgraded qt5-sensors (5.7.0-1 -> 5.7.1-1)
159 [2016-12-28 08:57] upgraded qt5-webchannel (5.7.0-1 -> 5.7.1-1)
158 [2016-12-28 08:57] upgraded qt5-webkit (5.7.0-3 -> 5.7.1-1)
98 [2016-12-28 08:58] upgraded qt5-translations (5.7.0-1 -> 5.7.1-1)
79 [2016-12-28 08:58] upgraded qt5-quickcontrols (5.7.0-1 -> 5.7.1-1)
74 [2016-12-28 08:58] upgraded qt5-tools (5.7.0-2 -> 5.7.1-1)
70 [2016-12-28 08:58] upgraded qt5-multimedia (5.7.0-1 -> 5.7.1-1)
54 [2016-12-28 08:58] upgraded qt5-graphicaleffects (5.7.0-1 -> 5.7.1-1)
14 [2016-12-28 09:00] upgraded qt5-imageformats (5.7.0-3 -> 5.7.1-1)
13 [2016-12-28 09:00] upgraded qt5-serialport (5.7.0-1 -> 5.7.1-1)
12 [2016-12-28 09:00] upgraded qt5-webengine (5.7.0-7 -> 5.7.1-1)


Not sure if it's an arch or a qupzilla issue, also reported here: https://github.com/QupZilla/qupzilla/issues/2150