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[Xen-devel] Xen 3.2 and Big Real Mode support?


 I read in the announce of Xen 3.2.0 released that it has "preliminary
support for a wider range of bootloaders in fully virtualised (HVM)
guests, using full emulation of x86 'real mode'" .

 I'd like to know what is the level of the emulation of x86 'real
mode'? I ask that because I tried to install OpenSuse 10.3 (I used
the iso file openSUSE-10.3-GM-x86_64-mini.iso) with Xen 3.2-testing
from mercurial and the boot failed. I got the following messages:

 Booting from CD-Rom...

 ISOLINUX 3.31 0x46f43c1e Copyright (C) 1994-2005 H. Peter Anvin

and it hangs after the "...". Logs don't show any specifics problems.
As OpenSuse 10.3 is known to have some 'real mode' issues due to the
presence of the gfx bootloader I asking myself what is the state of the
art of 'real mode' emulation into Xen?

Do you have some tests to validate the real mode emulation?

Thanks for the help
Best Regards,


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