Comment 2 for bug 823087

The Muon crash log is unrelated to this bug. it's a symptom of https://bugs.kde.org/show_bug.cgi?id=279345 which is fixed for Muon 1.2.0 final.

The qaptworker crash log from the KDE bug:

Program received signal SIGFPE, Arithmetic exception.
#0 0x000000000040fce5 in WorkerAcquire::Pulse (this=0x89fd70,
    Owner=0x7fffffffda90)
    at /build/buildd/qapt-1.1.90/src/worker/workeracquire.cpp:169
        packagePercentage = <optimized out>
        percentage = 0
        speed = -1
        ETA = <optimized out>
#1 0x00007ffff6dbe517 in pkgAcquire::Run(int) ()
   from /usr/lib/libapt-pkg.so.4.11
No symbol table info available.
#2 0x00007ffff6dbbdd6 in ListUpdate(pkgAcquireStatus&, pkgSourceList&, int) ()
   from /usr/lib/libapt-pkg.so.4.11
No symbol table info available.
#3 0x000000000040a419 in QAptWorker::updateCache (this=0x7fffffffe610)
    at /build/buildd/qapt-1.1.90/src/worker/worker.cpp:210
        result = <optimized out>
        Lock = <incomplete type>
        fetcher = <incomplete type>
#4 0x0000000000413e6f in QaptworkerAdaptor::qt_metacall (this=0x62e010,
    _c=QMetaObject::InvokeMetaMethod, _id=22, _a=0x7fffffffde90)
    at
/build/buildd/qapt-1.1.90/obj-x86_64-linux-gnu/src/worker/qaptworkeradaptor.moc:210
No locals.
#5 0x00007ffff7088ff9 in QDBusConnectionPrivate::deliverCall (this=0x6375b0,
    object=0x62e010, msg=..., metaTypes=..., slotIdx=26)
    at qdbusintegrator.cpp:942
        context = {connection = {static staticMetaObject = {d = {
                superdata = 0x0,
                stringdata = 0x7ffff70c9740 "QDBusConnection",
                data = 0x7ffff70c9960, extradata = 0x0}}, d = 0x6375b0},
          message = @0x6414d0}
        old = 0x0
        ptr = {o = 0x62e010}
        params = {a = 10, s = 1, ptr = 0x7fffffffde90, {
            array =
"\000\000\000\000\000\000\000\000\360\024d\000\000\000\000\000\220\337\377\377\377\177\000\000\204\005\t\367\377\177\000\000\220\337\377\377\377\177\000\000\200\337\377\377\377\177\000\000\360\024d\000\000\000\000\000\24---Type
<return> to continue, or q <return> to quit---