much of KDE freezes for 20 seconds (includes strace output)

[Rex Dieter]

Rex Dieter wrote:

> Hans Ecke wrote:
> 
>> Some service is failing and KDE takes 20 seconds to notice that or to
>> try and start it.
>> 
>> How do I debug that? I attached an strace log, but that is very opaque.
>> Scroll down the timestamps and you see the big jump at 07:50:38.674661
>> and at 07:50:49.615261. Two select() calls that take 10 and 15 seconds,
>> respectively. I guess file descriptor 7 is its connection to DBUS?
> 
> I'm sorry, I fail to see any strace.log here. ??
> 
> One other thing that may be relevant is khotkeys (global shortcuts).
> I've heard of it causing symptoms like this.
> 
> Could try renaming/removing ~/.kde/share/config/kglobalshortcutsrc
> 
> and relogin.
> 
> Another thing to try is to see if this is reproducible as another (new)
> user on the same box.  (rules out configuration issue).

Oh, another troublemaker is PackageKit-qt-0.3.15-1.fc10 that landed in
updates-testing yesterday.  It was inadvertantly built against qt-4.5.0,
and causes keyboard related issues (another wierd one) for folks with only
qt-4.4.x installed.

See also:
https://bugzilla.redhat.com/show_bug.cgi?id=493003

PackageKit-0.3.15-2.fc10 is better.

-- Rex