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xen-ia64-devel
Re: [Patch] was Re: [Xen-ia64-devel] Good projects for someone
Le Mardi 03 Janvier 2006 20:59, Magenheimer, Dan (HP Labs Fort Collins) a
écrit :
> > I tried to remove the hack, but I got only a fatal error when
> > dom0 was built.
> > Here is a patch which fixes the issue: dom0 image was not
> > correctly protected
> > from memory allocator.
> >
> > I also remove the hack since it seems to work. My machine
> > has 8GB. The
> > frame_table uses about 55MB (72 bytes per page)!
> >
> > I am not sure we need a virtual memmap, if I understand
> > correctly what it is.
> > The current approach simply wastes many memory in unused
> > frame_table entries.
>
> I tried your patch and I still get "Not enough memory for
> frame table" and a reboot. See attached file.
Hi,
thank you for your report. It confirmed the problem I feared.
You don't have much memory (2GB), but you have a *very* big hole:
(XEN) Init boot pages: 0x1000000 -> 0x4000000.
(XEN) Init boot pages: 0x8f89030 -> 0x3f5e4000.
(XEN) Init boot pages: 0x3fb00000 -> 0x3fb2c000.
** HERE **
(XEN) Init boot pages: 0x4040000000 -> 0x407de8a000.
(XEN) Init boot pages: 0x407df42a54 -> 0x407efe0008.
(XEN) Init boot pages: 0x407efe0068 -> 0x407efe3f82.
(XEN) Init boot pages: 0x407efe3fca -> 0x407effc008.
(XEN) Init boot pages: 0x407effc7e8 -> 0x407fd68000.
(XEN) Init boot pages: 0x407fda4000 -> 0x407fe10000.
(XEN) Init boot pages: 0x407fe80000 -> 0x407ffbc000.
So, I will work on enabling VIRTUAL_MEM_MAP.
Could you try the patch without the modif in efi.c ? I think the rest of the
patch really fix a bug with memory reservation.
Thanks,
Tristan.
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