On 2011-08-25 12:45, Avi Kivity wrote: > On 08/25/2011 12:21 PM, Jan Kiszka wrote: >>> >>> Still slow. I tried an old F11 image I had lying around, and -snapshot >>> /dev/sda, but this laptop was installed many years ago. I'll download >>> some more images and try. >> >> You may also want to instrument vga_update_memory_access if some >> requirement for linear mapping is not fulfilled. >> > > Plain F15 is slow. SR2 = SR4 = 0.
So it's not using chain4 mode. Can you check what mode the adapter is actually in and how VRAM is accessed? Likely, there is nothing we can do about it. /me just wonders what makes F15 grub behave differently from other distro's versions... Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux