[haiku-appserver] Re: investigating some bugs

  • From: Adi Oanca <adioanca@xxxxxxxxxxxxxx>
  • To: haiku-appserver@xxxxxxxxxxxxx
  • Date: Tue, 29 Mar 2005 09:20:21 +0300

Hi Stephan,

Stephan Assmus wrote:
> Hello Adi,
> sorry if I made you feel like I'm putting pressure on you. It's just 
> that I got so excited about the possiblity of showing a running Haiku 
> with app_server at BeGeistert. Now, your explaination of the problem 
> makes much sense. Maybe I can even find a short term fix until you have 
> more time to fix it for real.

        :-)) I should borrow you my machine for BeGeistert, as those bugs
do not reproduce. :-))))

>>      Now, I have tested you 'Window' application, but nothing happens 
>>the app_server running on my machine... I moved, resized, clicked, 
>>closed those windows, yet app_server did not enter an endless loop. 
>>Maybe you can help by providing the exact steps on how to reproduce 
> It happened (while doing exactly the stuff you describe above) when I 
> used the UpdateQueue version of ViewHWInterface::Invalidate().

        A little more info please as I understand nothing...

> When I 
> added more debug output, the less often the bug happened,

        Hmm... the update code might be the cause...

> so in the end 
> I gave up last night. Maybe you can enable the alternative 
> implementation (which decouples frame buffer transfers from the drawing 
> in the back buffer),


> and the bug happens on your machine as well. But 
> as the nature of these kind of timing related problems goes, they 
> depend on a lot of factors. Do you test on a dual CPU machine btw?

        Nope. Not as I know of. I have a P4 2.6GHz HT machine and I doubt
R5.0.3 PE sees 2 CPUs. Don't know, I'll have a look tonight.


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