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List:       kde-hardware-devel
Subject:    [Kde-hardware-devel] Re: Fwd: Trouble with udisks-daemon caused by
From:       Lukáš_Tinkl <lukas () kde ! org>
Date:       2011-07-27 8:07:19
Message-ID: 201107271007.19620.lukas () kde ! org
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Dne St 27. července 2011 08:51:01 Ben Cooksley napsal(a):
> Forwarding this to the solid list...
> 
> Regards,
> Ben
> 
> ---------- Forwarded message ----------
> From: Andreas Roth <aroth@arsoft-online.com>
> Date: Wed, Jul 27, 2011 at 5:48 AM
> Subject: Trouble with udisks-daemon caused by solid
> To: kde-core-devel@kde.org
> 
> 
> Hi,
> 
> i stumbled over this issue when running amarok. When amarok is running, the
> udisks-daemon is constantly active. It takes about 1-5% of CPU. At the same
> time the dbus-daemon also takes the same amount of CPU.
> The original post to amarok-devel can be found here:
> http://mail.kde.org/pipermail/amarok-devel/2011-July/009273.html
> 
> I've run a strace against the udisks-daemon and writes the following
> message to stderr:
> write(2, "\n** (udisks-daemon:2797): WARNING **: Property get or set does
> not have an interface string as first arg\n\n", 106)
> 
> With the help of the amarok developers is found the piece of code, which
> triggers this issue. In amarok/src/MediaDeviceCache.cpp, function
> MediaDeviceCache::slotTimeout() calls Solid::Device::listFromType, which
> does some dbus/udisks magic and this causes the trouble. I haven't gone
> into the solid code to check what might be wrong there.
> 
> I created a small test program, which does exactly what amarok does and
> also triggers this issue. I've attach the program to this mail.
> 
> Hopefully someone could help me to track down this issue and fix it.
> 
> Thanks,
> Andreas

I'll have a look at it once I find some spare time

-- 
Lukáš Tinkl <lukas@kde.org>
KDE developer
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