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TenPin
Guru
Joined: 26 Aug 2002
Posts: 500
Location: Kansas City
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 Posted: Tue Sep 30, 2003 8:36 pm Post subject: Framebuffer ywrap corruption |
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I'm have just the vesa framebuffer compiled into a 2.4.22 vanilla kernel on a Dell inspiron 5100 with a radeon 7500.
When I boot with video=vesa:mtrr,ywrap vga=0x318 it boots fine but when I do something like #dmesg | less I get half my screen full of white lines/garbage when I scroll. It goes away when it scrolls past then comes back if I scroll a bit more.
It fixes it by taking ywrap out but that makes it alot slower.
Anyone else have this or know of a fix for ywrap ? Whats the optimal framebuffer setup for a radeon 7500 ?
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Joffer
Guru
Joined: 10 Sep 2002
Posts: 585
Location: Arendal, Norway
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| Posted: Tue Sep 30, 2003 11:08 pm Post subject: |
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| No fix, but I can confirm the bug.. I got it also on vesafb with your settings. My VGA is a GF3Ti500, but that shouldn't have anything to do with it.. |
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bruor
Apprentice
Joined: 08 Jul 2003
Posts: 239
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| Posted: Mon Oct 27, 2003 6:16 pm Post subject: |
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i get the same problem using a gf3ti200
i have traced it to using the mtrr and ywrap options as using neither results in flawless display, but the refresh is slower....
i just leave them in and deal with some garbled stuff every 3 or 4 screens of text... |
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Kernel & Hardware
