muon-discover crashed with SIGSEGV in QApt::Package::name()

[Renandho Imanuel]

Cannot load xserver automatically after boot, and the system show : "the system is running in low graphic mode".
Please help me.

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: plasma-discover 5.5.4-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
Uname: Linux 4.4.0-17-generic x86_64
ApportVersion: 2.20.1-0ubuntu1
Architecture: amd64
CurrentDesktop: KDE
Date: Sun Apr 10 17:15:16 2016
ExecutablePath: /usr/bin/muon-discover
ProcCmdline: /usr/bin/muon-discover --mode update
ProcEnviron:
 LD_LIBRARY_PATH=<set>
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: plasma-discover
StacktraceTop:
 QApt::Package::name() const () from /usr/lib/x86_64-linux-gnu/libQApt.so.3
 ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/qapt-backend.so
 ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/qapt-backend.so
 ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
 ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
Title: muon-discover crashed with SIGSEGV in QApt::Package::name()
UpgradeStatus: Upgraded to xenial on 2016-04-05 (4 days ago)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 QApt::Package::name() const () from /tmp/apport_sandbox_LH8Wfx/usr/lib/x86_64-linux-gnu/libQApt.so.3
 init(QApt::Backend*, QThread*) () from /tmp/apport_sandbox_LH8Wfx/usr/lib/x86_64-linux-gnu/qt5/plugins/discover/qapt-backend.so
 QtConcurrent::RunFunctionTask<QVector<Application*> >::run() () from /tmp/apport_sandbox_LH8Wfx/usr/lib/x86_64-linux-gnu/qt5/plugins/discover/qapt-backend.so
 QThreadPoolThread::run() () from /tmp/apport_sandbox_LH8Wfx/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
 QThreadPrivate::start(void*) () from /tmp/apport_sandbox_LH8Wfx/usr/lib/x86_64-linux-gnu/libQt5Core.so.5

[Matthias Klumpp (ximion)]

Can you please check if this issue still exists with the latest release of plasma-dicover in Xenial?

[Launchpad Janitor (janitor)]

[Expired for plasma-discover (Ubuntu) because there has been no activity for 60 days.]