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xen-devel
Re: [Xen-devel] page fault in xmem_pool_alloc w/ TXT
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To: |
"Cihula, Joseph" <joseph.cihula@xxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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Subject: |
Re: [Xen-devel] page fault in xmem_pool_alloc w/ TXT |
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From: |
Keir Fraser <keir.xen@xxxxxxxxx> |
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Date: |
Thu, 24 Mar 2011 16:02:53 +0000 |
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Cc: |
"Wang, Shane" <shane.wang@xxxxxxxxx>, "Wei, Gang" <gang.wei@xxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx> |
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Thu, 24 Mar 2011 09:03:54 -0700 |
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[Xen-devel] page fault in xmem_pool_alloc w/ TXT |
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Cc'ing the patch author.
-- Keir
On 24/03/2011 15:41, "Cihula, Joseph" <joseph.cihula@xxxxxxxxx> wrote:
> In the latest changesets of xen-unstable, when Xen is booted with tboot/TXT,
> it gives a page fault in xmem_pool_alloc():
> ...
> (XEN) [VT-D]dmar.c:585: RMRR region: base_addr 8f305000 end_address 8f305fff
> (XEN) PCI: MCFG configuration 0: base a0000000 segment 0 buses 0 - 255
> (XEN) PCI: MCFG area at a0000000 reserved in E820
> (XEN) Xen ERST support is initialized.
> (XEN) Using ACPI (MADT) for SMP configuration information
> (XEN) IRQ limits: 48 GSI, 4576 MSI/MSI-X
> (XEN) Using scheduler: SMP Credit Scheduler (credit)
> (XEN) Early fatal page fault at e008:ffff82c48012ac66 (cr2=000000000000ec18,
> ec)
> (XEN) Stack dump: ffff83036fff9868 0000000000000060 ffff83036ffe6000
> 0000000000
> ...
>
> We have bisected this to the following commit:
> c/s 23013
> ACPI: large cleanup
>
> In some cases, entire files turned out unnecessary. Of what remains,
> move whatever possible into .init.*, and some data items into
> .data.read_mostly.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
>
> Can someone take a look and see what got moved into .init.* that shouldn't
> have been?
>
> Joe
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
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