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Re: [Xen-devel] BUG at domain.c:144

To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] BUG at domain.c:144
From: "Christopher S. Aker" <caker@xxxxxxxxxxxx>
Date: Fri, 8 Apr 2005 14:54:01 -0500
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> To get a fault at the actual point the mapping is requested, you need
> to change a line in linux/include/asm-xen/asm-i386/pgtable-2level.h. 
> The line is:
> #define set_pte(pteptr, pteval) (*(pteptr) = pteval)
> and should be changed to:
> #define set_pte(pteptr, pteval) \
>     xen_l1_entry_update((pteptr), (pteval).pte_low)
> 
> If you build and retry, we should get a guest backtrace at the code
> point that is making the invalid mapping.

Done, results and binaries:

http://www.theshore.net/~caker/xen/BUGdomain/BUGdomain-dmesg3.txt
http://www.theshore.net/~caker/xen/BUGdomain/

However, it doesn't appear to be different.
 
> I'm going to be away for the next week, but I will look at your new
> trace when I get email access. Alternatively Ian or Christian may have
> time to decipher the backtrace. :-)

Ok, thanks!
-Chris


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