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List:       kde-bugs-dist
Subject:    [kdeconnect] [Bug 327532] Device does not show up anymore
From:       Sebastian Vöcking <kde () voecking ! net>
Date:       2013-11-15 14:25:17
Message-ID: bug-327532-17878-FeA5bkYmtV () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=327532

--- Comment #7 from Sebastian Vöcking <kde@voecking.net> ---
I am having the same issue with kdeconnect on Arch. I did a little research on
this and uncommented the line 53 in kded/daemon.cpp and got this:

kded(23417)/kdeconnect_kded Daemon::Daemon: QCA supported capabilities:
"random,md5,sha1,keystorelist,pgpkey,openpgp"

But at the same time I noticed that kded crashed. And this crash is perfectly
reproducable. While debugging this I could get this backtrace:
#5  0x0000000000021236 in ?? ()
#6  0x00007fdff3dd2bd4 in qt_plugin_instance () from
/usr/lib/qt4/plugins/crypto/libqca-ossl.so
#7  0x00007fe04ad5017d in QPluginLoader::instance() () from
/usr/lib/libQtCore.so.4
#8  0x00007fe03bab959b in QCA::ProviderManager::scan() () from
/usr/lib/libqca.so.2
#9  0x00007fe03baac4d7 in QCA::isSupported(QStringList const&, QString const&)
() from /usr/lib/libqca.so.2
#10 0x00007fe03baac695 in QCA::isSupported(char const*, QString const&) () from
/usr/lib/libqca.so.2
#11 0x00007fe02f174c1f in Daemon::Daemon (this=0x116a560, parent=<optimized
out>) at
/var/abs/local/packages/kdeconnect-git/src/kdeconnect-git/kded/daemon.cpp:54
#12 0x00007fe02f17611b in KPluginFactory::createInstance<Daemon, QObject>
(parentWidget=<optimized out>, parent=<optimized out>, args=...) at
/usr/include/KDE/../kpluginfactory.h:477
#13 0x00007fe04b2dd073 in KPluginFactory::create(char const*, QWidget*,
QObject*, QList<QVariant> const&, QString const&) () from
/usr/lib/libkdecore.so.5

This looks like a problem with Arch's qca to me which would explain that you
can't see it as you have built it from git.
And if I remember correctly I saw some kded4 crashes related to QCA earlier
when I tried to get kdeconnect running. But I could never reproduce it
properly. On the other hand I am also pretty sure that I at least once saw a
correct output of QCA's supported capabilities. This library really seems to
act inconsistent.

Any ideas? I would try to get a backtrace out of qca next. Maybe this would
turn up something.

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