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[solved]Gentoo in a KVM (qemu)= - how to use frame buffer
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toralf
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PostPosted: Sat Aug 16, 2014 5:20 pm    Post subject: [solved]Gentoo in a KVM (qemu)= - how to use frame buffer Reply with quote

currently I get the guest just started in a 80x25 manner, although I compiled in frame buffer & friends into the guest kernel - any hints ?

Last edited by toralf on Sun Aug 17, 2014 6:54 pm; edited 1 time in total
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Logicien
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PostPosted: Sat Aug 16, 2014 6:15 pm    Post subject: Reply with quote

I think the vesafb or uvesafb framebuffer should work unless you boot your virtual machine in EFI mode. In that case, the efifb framebuffer should work.

For vesafb, you need to specify, for example 1024x768 in 24 bits
Code:
vga=0x318

to get vesafb as the framebuffer in use. vesafb is not KMS (Kernel Mode Setting) capable. See /usr/src/linux/Documentation/fb/vesafb.txt for complete details.
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toralf
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PostPosted: Sun Aug 17, 2014 6:53 pm    Post subject: Reply with quote

yep - thx (at the real machine I do not need to pass vga=0x line to grub2, but for qemu it seems to be mandatory)
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