[Xpert]Dell Ati Mobility does not back-store

[Mario Stipcevic]

Hi !

I have a Dell Inspiron 4000 with ATI RAge 128 Mobility (XX - some version) card. I have been upgrading XFree86 since 4.00 till the newest 4.2.X and I always have the same problem.
I have a specific software that does not redraw windows upon bein obscured so their contents gets erased forever. Prior to XFree 4.0 the problem was fixed by itself, but after ver>= 4.0 one needs to specify the option +bs to the server. This generally works but does not work with the video card in my laptop. I have tried both +bs and -wm options. +bs works better but after a short while backing store does not wotrk at all.

Why is that and is there a fix ?

Thanks !
Mario

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