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[Yuriy Polezhayev <creeo.gd@xxxxxxxxx>]

Confirmed on HIS Radeon HD 3870 IceQ3 Turbo with proprietary drivers and Ubuntu 9.04
1-3 seconds delay before [mini/maxi]mizing a window. Sound buffer fill stops during this pause.


107_fedora_dont_backfill_bg_none.patch did the job. Delays disappeared.


I think, there is a reason why this patch suits one and doesn't suit another. Maybe it Depends on video bios? 6 months passed after I bought this card before a working bios was released. Before that the card has troubles with cooling (fan speed control failed), GPU overclocking, video crashed in 3D mode independent from GPU temp. and speed. But as I just thought It might be more possible that the driver version matters. Some cards (26xx 34xx) may have older driver versions or smth. It was just a guess :)

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[M76] [ubuntu 9.04] slow unminimizing with ati card and desktop effects enabled
https://bugs.launchpad.net/bugs/351186
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