Messages in this thread | | | Date | Wed, 11 Jan 2006 21:05:46 +0800 | From | "Antonino A. Daplas" <> | Subject | Re: Console debugging wishlist was: Re: oops pauser. |
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Andi Kleen wrote: > On Wednesday 11 January 2006 13:24, Antonino A. Daplas wrote: > >> In the VGA console, all buffers, including scrollback is in video RAM, but >> the size is fixed and is very small. > > I wonder if that can be fixed.
It can be done, but it will affect VGA console performance.
> >> With the framebuffer console, you can increase the size of the scrollback >> buffer with the boot option: >> >> fbcon=scrollback:<n> (default is 32K) > > On x86-64 vesafb is unusable slow because it does CPU scrolling cause > it can't use the vesa BIOS - and the others don't work everywhere. So I don't > think fbcon is an usable replacement.
How about vga16fb + fbcon? If scrolling is slow in vga16fb, fbset -vyres 800 should increase performance significantly.
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