Re: [LAU] qjackctl-0.3.x and 49% cpu

The only way I could get it go away was to use Enlightenment instead
of Gnome or KDE. I did not change my libqt4. The problem was
consistent not just when starting jack.

Peter

On Nov 27, 2007 12:13 PM, John Anderson <ardour@email-addr-hidden> wrote:
> On Tue, 2007-11-27 at 14:33 +0000, Rui Nuno Capela wrote:
> > On Tue, November 27, 2007 12:10, John Anderson wrote:
> > > I'm finding that qjackctl-0.3.0, 0.3.1 and 0.3.1a all use up 49% cpu. My
> > > box is a CoreDuo, so that's probably 100% of one cpu.
> > >
> > > qjackctl-0.2.22 doesn't do this, so I've downgraded for now.
> > >
> > > If it's a bug, what can I do to help?
> > >
> >
> > symptoms are that right after jackd is started the first time, qjackctl
> > starts eating 98% of a cpu, isn't it?
>
> It also happens when I have an existing jackd running, and I start up
> qjackctl.
>
> > it's a known issue on some Qt4 incarnations, specially the debian based
> > ones, iirc. it has been reported on at least one case that updating to a
> > different libqt4 makes the issue go away.
>
> I've just upgraded from qt-4.3.1 to qt-4.3.2, and the problem is still
> there.
>
> > unfortunately, i never caught that behavior reproduced on any of my
> > opensuse 10.x boxes, nor in windows :o)
>
> Makes it kinda hard to debug ;-|
>
> I have a gentoo box, with qt-3.3.8 installed as well.
>
> bye
> John
>
>
>
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Received on Wed Nov 28 00:15:01 2007