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xen-devel
Re: [Xen-devel] Re: [PATCH] xen: correctly rebuild mfn list list after m
On Thu, 2010-10-14 at 07:49 +0100, Ian Campbell wrote:
> On Thu, 2010-10-14 at 01:37 +0100, Jeremy Fitzhardinge wrote:
> >
> >
> > I'm getting this triggering at boot:
> >
> > PM: Adding info for No Bus:xen!gntdev
> > ------------[ cut here ]------------
> > kernel BUG at /home/jeremy/git/linux/arch/x86/xen/mmu.c:480!
>
> Probably a consequence of the bogus attempt to skip over completely
> empty mid levels which you pointed out in your next mail.
>
> I guess I should test 64 bit guests and not just PAE ones and I guess
> pre-ballooning is likely to interact as well.
I'm only able to reproduce this by booting ballooned and then ballooning
up, are you doing that or were you seeing it just by booting?
What are your memory and maxmem settings?
I'll obviously fix the issue I'm seeing and hope it also fixes yours but
even better would be to reproduce your failure here.
Ian.
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