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10.3.6: Visual artifacts on 2nd monitor (PBuffers?)



Since I've updated to 10.3.6, I've been seeing some artifacts on my 2nd monitor while running my iTunes plugin.
I believe this is due to me using PBuffers, but I'm having a hard time narrowing it down precisely. If I get chance, I'll write a test app tomorrow and see if I get anywhere.


The visual artifacts consists of random horizontal white lines, around an inch long. They appear for a split second and disappear, random timing, random positioning, random lengths... They seem to be clustered around borders: they appear around and on the edges of windows and on icons. They're not easy to spot: they're not there all the time and don't stay in the same position.

If I turn on display mirroring, the lines appear on my 2nd display (a 19" Sony CRT) but not on my main display (Powerbook 15"). I'm using a Radeon 9600. I haven't succeeded in taking a screenshot of them.


Has anyone else experienced this? If anyone has a windowed PBuffer test app that I could try out, that would be much appreciated. Or you could try downloading my iTunes plugin and see if you get the same problem
( www.steelskies.com/gaslight/ )



Any suggestions on what to try would be appreciated.

Jon

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