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Re: [Xen-devel] 3.1/2 live migration panic

On Fri, Jan 18, 2008 at 04:53:24PM +0000, Tim Deegan wrote:

> At 09:41 +0000 on 18 Jan (1200649265), Tim Deegan wrote:
> > Either something has changed the sl4e or sl3e under our feet (surely not
> > - we have the shadow lock), or it could still be a missing TLB flush.
> > If we changed the sl4e (from one present entry to another) but didn't
> > flush the TLB it could cause this.
> So: another patch for you; can you see if this makes the crashes go away?

I'm afraid not:

ffff828c80267a88 xpv:do_page_fault+13d
ffff828c80267ac8 xpv:handle_exception+4b
ffff828c80267af8 0xffff8300e2e44100 (in Xen)
ffff828c80267be8 xpv:shadow_get_and_create_l1e+26b
ffff828c80267c58 xpv:sh_page_fault__shadow_4_guest_4+598
ffff828c80267e58 xpv:paging_fault+3c
ffff828c80267e88 xpv:fixup_page_fault+22b
ffff828c80267ed8 xpv:do_page_fault+40
ffff828c80267f18 xpv:handle_exception+4b
ffff828c80267f48 eb7c54b8


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