Public bug reported:

Also Dr. Konqi gave me this:

Application: muon-updater (1.4.1)
KDE Platform Version: 4.9.2
Qt Version: 4.8.3
Operating System: Linux 3.5.0-17-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
<In detail, tell us what you were doing  when the application crashed.>

The crash can be reproduced some of the time.

-- Backtrace:
Application: Muon Update Manager (muon-updater), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1736f7e780 (LWP 3367))]

Thread 2 (Thread 0x7f1721742700 (LWP 3368)):
#0  0x00007f1733f08303 in __GI___poll (fds=<optimized out>, nfds=<optimized 
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f172ea1ed84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f172ea1eea4 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1735334c16 in QEventDispatcherGlib::processEvents 
(this=0x7f171c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f17353052bf in QEventLoop::processEvents 
(this=this@entry=0x7f1721741dd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f1735305548 in QEventLoop::exec (this=0x7f1721741dd0, flags=...) at 
kernel/qeventloop.cpp:204
#6  0x00007f1735206b10 in QThread::exec (this=<optimized out>) at 
thread/qthread.cpp:501
#7  0x00007f17352e59af in QInotifyFileSystemWatcherEngine::run (this=0x10c3290) 
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f1735209aec in QThreadPrivate::start (arg=0x10c3290) at 
thread/qthread_unix.cpp:338
#9  0x00007f172f2e5e9a in start_thread (arg=0x7f1721742700) at 
pthread_create.c:308
#10 0x00007f1733f13cbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f1736f7e780 (LWP 3367)):
[KCrash Handler]
#6  0x00007f1730f3969d in pkgCacheGenerator::NewVersion(pkgCache::VerIterator&, 
std::string const&, unsigned long) () from 
/usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#7  0x00007f1730f3b43f in 
pkgCacheGenerator::MergeListVersion(pkgCacheGenerator::ListParser&, 
pkgCache::PkgIterator&, std::string const&, pkgCache::VerIterator*&) () from 
/usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#8  0x00007f1730f3c713 in 
pkgCacheGenerator::MergeList(pkgCacheGenerator::ListParser&, 
pkgCache::VerIterator*) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#9  0x00007f1730f907aa in debPackagesIndex::Merge(pkgCacheGenerator&, 
OpProgress*) const () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#10 0x00007f1730f35632 in ?? () from 
/usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#11 0x00007f1730f38339 in pkgCacheGenerator::MakeStatusCache(pkgSourceList&, 
OpProgress*, MMap**, bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#12 0x00007f1730f2f0c1 in pkgCacheFile::BuildCaches(OpProgress*, bool) () from 
/usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#13 0x00007f1730f2f45c in pkgCacheFile::Open(OpProgress*, bool) () from 
/usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#14 0x00007f173617f7c8 in QApt::Cache::open (this=<optimized out>) at 
/build/buildd/qapt-1.4.1/src/cache.cpp:85
#15 0x00007f1736179441 in QApt::Backend::reloadCache (this=0x12b0340) at 
/build/buildd/qapt-1.4.1/src/backend.cpp:198
#16 0x0000000000414b06 in UpdaterWidget::reload (this=0x10ed980) at 
/build/buildd/muon-1.4.1/updater/UpdaterWidget.cpp:130
#17 0x0000000000410407 in MainWindow::reload (this=0x1083f70) at 
/build/buildd/muon-1.4.1/updater/MainWindow.cpp:239
#18 0x000000000041011e in MainWindow::workerEvent (this=0x1083f70, 
event=<optimized out>) at /build/buildd/muon-1.4.1/updater/MainWindow.cpp:179
#19 0x00007f173531bf5f in QMetaObject::activate (sender=0x12b0340, m=<optimized 
out>, local_signal_index=<optimized out>, argv=0x7fff1ea43010) at 
kernel/qobject.cpp:3547
#20 0x00007f17361977f1 in QApt::Backend::workerEvent (this=<optimized out>, 
_t1=QApt::CacheUpdateFinished) at 
/build/buildd/qapt-1.4.1/obj-x86_64-linux-gnu/src/moc_backend.cxx:267
#21 0x00007f173531bf5f in QMetaObject::activate (sender=0x12d7840, m=<optimized 
out>, local_signal_index=<optimized out>, argv=0x7fff1ea43160) at 
kernel/qobject.cpp:3547
#22 0x00007f1736198801 in OrgKubuntuQaptworkerInterface::workerEvent 
(this=this@entry=0x12d7840, _t1=2) at 
/build/buildd/qapt-1.4.1/obj-x86_64-linux-gnu/src/workerdbus.moc:242
#23 0x00007f1736199402 in OrgKubuntuQaptworkerInterface::qt_static_metacall 
(_o=_o@entry=0x12d7840, _c=_c@entry=QMetaObject::InvokeMetaMethod, 
_id=<optimized out>, _a=_a@entry=0x7fff1ea43510) at 
/build/buildd/qapt-1.4.1/obj-x86_64-linux-gnu/src/workerdbus.moc:108
#24 0x00007f1736199eab in OrgKubuntuQaptworkerInterface::qt_metacall 
(this=0x12d7840, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, 
_a=0x7fff1ea43510) at 
/build/buildd/qapt-1.4.1/obj-x86_64-linux-gnu/src/workerdbus.moc:176
#25 0x00007f1732b24ed3 in QDBusConnectionPrivate::deliverCall (this=0x109a7d0, 
object=0x12d7840, msg=..., metaTypes=..., slotIdx=13) at qdbusintegrator.cpp:947
#26 0x00007f173531b43e in QObject::event (this=0x12d7840, e=<optimized out>) at 
kernel/qobject.cpp:1195
#27 0x00007f17346ade9c in QApplicationPrivate::notify_helper 
(this=this@entry=0xf162f0, receiver=receiver@entry=0x12d7840, 
e=e@entry=0x1e2d790) at kernel/qapplication.cpp:4562
#28 0x00007f17346b230a in QApplication::notify (this=0x7fff1ea43fb0, 
receiver=0x12d7840, e=0x1e2d790) at kernel/qapplication.cpp:4423
#29 0x00007f1735d441d6 in KApplication::notify (this=0x7fff1ea43fb0, 
receiver=0x12d7840, event=0x1e2d790) at ../../kdeui/kernel/kapplication.cpp:311
#30 0x00007f173530656e in QCoreApplication::notifyInternal 
(this=0x7fff1ea43fb0, receiver=receiver@entry=0x12d7840, 
event=event@entry=0x1e2d790) at kernel/qcoreapplication.cpp:915
#31 0x00007f173530a3f1 in sendEvent (event=0x1e2d790, receiver=0x12d7840) at 
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#32 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, 
data=0xee4790) at kernel/qcoreapplication.cpp:1539
#33 0x00007f1735334a63 in sendPostedEvents () at 
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#34 postEventSourceDispatch (s=0xf18300) at kernel/qeventdispatcher_glib.cpp:279
#35 0x00007f172ea1eab5 in g_main_context_dispatch () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f172ea1ede8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f172ea1eea4 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f1735334bf6 in QEventDispatcherGlib::processEvents (this=0xee6070, 
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#39 0x00007f1734752c1e in QGuiEventDispatcherGlib::processEvents 
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#40 0x00007f17353052bf in QEventLoop::processEvents 
(this=this@entry=0x7fff1ea43e90, flags=...) at kernel/qeventloop.cpp:149
#41 0x00007f1735305548 in QEventLoop::exec (this=0x7fff1ea43e90, flags=...) at 
kernel/qeventloop.cpp:204
#42 0x00007f173530a708 in QCoreApplication::exec () at 
kernel/qcoreapplication.cpp:1187
#43 0x000000000040e2fa in main (argc=5, argv=0x7fff1ea440e8) at 
/build/buildd/muon-1.4.1/updater/main.cpp:61

Report to https://bugs.kde.org/

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: muon-updater 1.4.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu3
Architecture: amd64
Date: Wed Oct 17 00:56:32 2012
InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Beta amd64 (20120926.3)
ProcEnviron:
 LANGUAGE=
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: muon
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: muon (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug quantal

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https://bugs.launchpad.net/bugs/1067573

Title:
  muon-updater crashed

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