Re: [Xen-devel] E5606 with no HVM; Assertion 'i == 1' failed at p2m-ept.c:524

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 15.08.12 at 22:39, Mark van Dijk <lists+xen@xxxxxxxxxxxxxx> wrote:
> (XEN) Xen call trace:
> (XEN)    [<ffff82c4801e1be9>] ept_get_entry+0x13a/0x28f
> (XEN)    [<ffff82c4801da274>] __get_gfn_type_access+0x175/0x256
> (XEN)    [<ffff82c4801b5a55>] hvm_hap_nested_page_fault+0x133/0x422
> (XEN)    [<ffff82c4801d3c8e>] vmx_vmexit_handler+0x136b/0x1614
> 
> The entire log from boot to crash can be viewed at the following link:
> http://pastebin.com/5wcH7GWR 

Unfortunately quite a few of the registers contain values that
could sensibly be "i". Could you either disassemble the
instructions around the place yourself to find out which one it
is, or make the xen-syms file corresponding to this run available?

I'm suspecting "i" to actually be 2, and the code not having got
updated when 1Gb page support got added to PoD. You could
hence alternatively also try the attached debugging patch,
which - if my guess is right - may at once fix your problem.

However, because of this outright claiming that HVM doesn't
work seems a little harsh - did you try running your guests
without the use of PoD (i.e. with memory == maxmem)?

Jan

Attachment: ept-pod-1Gb-assert.patch
Description: Text document

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