[PD] Pd + jack GUI redraw (CCRMA FC4)

[Michael Berkowski]

Thanks for the reply.  Actually, I am using Gnome on this system.  I 
typically run FVWM but haven't gotten around to loading it on this 
relatively recent install.  My laptop runs FVWM and I don't have this 
problem there.  I'll give it a try today.

Thanks much,
Michael

padawan12 wrote:
> With Gnome?
>
> A lighter window manager solved all my erratic GUI
> problems, ymmv, but give blackbox a shot and see what you get.
> AJ
>
> On Fri, 11 Aug 2006 20:51:10 -0500
> Michael Berkowski <michael at berkowski.net> wrote:
>
>   
>> Hi all,
>>
>> It's taken me a bit to narrow this down, and I haven't seen much in the 
>> archive related to this specifically, but I wondered if someone could 
>> shed some light on this GUI weirdness.
>>
>> While running Pd with Jack, the GUI redraw when using the mouse is 
>> highly erratic.  Typically, it will start out fine and I can move a 
>> slider or numberbox smoothly, but if I hold onto it for more than a few 
>> seconds, the redraw will start to pause and hang behind by increasing 
>> intervals.  Meanwhile, there aren't any audio dropouts or xruns, just 
>> the slow GUI.  No CPU spikes, either.
>>
>> I have found that if I constantly run a metro and a flashing button, the 
>> problem goes away since the GUI is forced to redraw at least as often as 
>> the metro beats, but I'd like to avoid doing this.
>>
>> I initially noticed this problem with the planetCCRMA pd and jack rpms 
>> (which are older versions, I think).  But I have since recompiled Pd, 
>> Jack, and tcl/tk from source and the problem persists.
>>
>> I'm using:
>> 2.6.16-1.2080.13.rdt.rhfc4.ccrmasmp (FC4
>> jackd -R -d alsa -dhw:0 -r44100 -p2048 -n2  (doesn't seem to matter what 
>> jack params are used, RT or not)
>> pd 0.39-2 compiled with alsa and jack support.
>>
>> I'd be thankful if anyone has an ideas before I try upgrading the kernel 
>> as a last resort.
>>
>> Best,
>> Michael Berkowski
>>
>>
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