So at least I can confirm that a boot with 3.13 and vesafb set to
1280x1024 by grub (the default otherwise was 640x480) scrolls by quite
slowly. I need to get a pre-3.12 there to get to see the before state.
Looking at the code in 3.13, I see only one change to vesafb that came
related to introducting simplefb:
commit 2e5155ecbb729d3a2e7d1cea7c18493516fec55a
Author: David Herrmann <dh.herrm...@gmail.com>
Date: Fri Aug 2 14:05:25 2013 +0200
fbdev: vesafb: bind to platform-framebuffer device
I could not immediately find any SAUCE patches but I got rid of copies
of previous releases as they went out of support and our archive is
currently undergoing some maintenance. The change above is not directly
addressing optimizations but changed the setup in a way which maybe
affects passing in options (like use of mtrr).
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https://bugs.launchpad.net/bugs/1434581
Title:
Console extremely slow with 3.13 and newer kernels for certified
servers with Matrox G200er2 or similar
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