See map_video() in video_drv_bios_vesa.c - upper variant maps videobuffer
directly, and it works OK. Lower one maps it to allocated address space,
and it fails (hardware reboot, not even panic).
Original issue reported on code.google.com by dmitry.zavalishin@gmail.com on 28 Oct 2009 at 8:04
Original issue reported on code.google.com by
dmitry.zavalishin@gmail.com
on 28 Oct 2009 at 8:04