Messages in this thread | | | Date | Thu, 21 Feb 2008 14:58:44 -0800 | From | Joel Becker <> | Subject | Re: 2.6.25-rc1 xen pvops regression |
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On Thu, Feb 21, 2008 at 10:12:36PM +0000, Ian Campbell wrote: > > On Thu, 2008-02-21 at 13:37 -0800, Jeremy Fitzhardinge wrote: > > H. Peter Anvin wrote: > > >> Still curious about why a pagetable page is ending up in that range > > >> though. Seems like it shouldn't be possible, since we shouldn't be > > >> allowed to allocate from those pages, at least until the DMI probe > > >> has happened... Unless the early allocator is only excluded from > > >> e820 reserved pages, which would cause a problem on systems which > > >> don't reserve the DMI space... HPA? > > >> > > > > > > I thought the problem was a Xen-provided pagetable from before Linux > > > started? > > > > Hm, I don't think so. The domain-builder pagetable is put after the > > kernel, so it shouldn't be under 1M. > > I can confirm that it is Linux which is allocating it. The call path:
Also, I have older kernels (2.6.24-rc era) that run Just Fine. I haven't changed my dom0 at all.
Joel
--
"There is no more evil thing on earth than race prejudice, none at all. I write deliberately -- it is the worst single thing in life now. It justifies and holds together more baseness, cruelty and abomination than any other sort of error in the world." - H. G. Wells
Joel Becker Principal Software Developer Oracle E-mail: joel.becker@oracle.com Phone: (650) 506-8127
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