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uvesafb scrolling mode (VirtualBox)
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ikmik
n00b
n00b


Joined: 22 Apr 2016
Posts: 4

PostPosted: Fri Apr 22, 2016 6:17 pm    Post subject: uvesafb scrolling mode (VirtualBox) Reply with quote

Hey there, I am having troubles with uvesafb on VirtualBox. I tried either booting with
Code:
video=uvesafb:1920x1080-24,mtrr:3,ywrap

and
Code:
# modprobe uvesafb mode_option=1920x1080 mtrr=3 scroll=ywrap
,
both with same result: small scrolling speed and the following written in dmesg:
Code:
# dmesg | grep scrolling
[   94.493210] uvesafb: scrolling: redraw


How can I set ywrap as the scrolling mode?

Thanks.
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s4e8
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Joined: 29 Jul 2006
Posts: 309

PostPosted: Sat Apr 23, 2016 2:04 am    Post subject: Reply with quote

In order to use ypan/ywrap, vesa bios must support PMI interface, and use 32bit kernel, with NX protection off.
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ikmik
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Joined: 22 Apr 2016
Posts: 4

PostPosted: Sat Apr 23, 2016 7:46 am    Post subject: Reply with quote

Okay. Thank you. The problem was that the kernel is 64-bit.
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