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RE: [Xen-devel] Error starting xend

To: "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Error starting xend
From: "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>
Date: Mon, 22 Aug 2005 09:43:48 -0700
Cc: "Koren, Bradley J" <Bradley.Koren@xxxxxxxxxx>, "Magolan, John F" <John.Magolan@xxxxxxxxxx>, "Subrahmanian, Raj" <raj.subrahmanian@xxxxxxxxxx>, "Davis, Jason" <jason.davis@xxxxxxxxxx>, "Vessey, Bruce A" <Bruce.Vessey@xxxxxxxxxx>
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Thread-topic: [Xen-devel] Error starting xend
Puthiyaparambil, Aravindh wrote:
>>> (XEN) DOM0: (file=mm.c, line=1055) Bad L1 flags 800000
>> This means non-NX/XD support is not complete yet. Can you figure out
>> who in xenlinux made that request? If you can look at the return
>> address of the hypercall, you can tell who it is.
> direct_remap_area_pages() [arch/xen/x86_64/mm/ioremap.c] is the
> xenlinux function that is making the request. There are two
> HYPERVISOR_mmu_update() calls. It is happening on the second call
> (line 457).
> Hope this helps.
> Aravindh

Can you try this patch?

diff -r 4adaea8679cf linux-2.6-xen-sparse/arch/xen/x86_64/mm/ioremap.c
--- a/linux-2.6-xen-sparse/arch/xen/x86_64/mm/ioremap.c Mon Aug 22
06:45:10 2005
+++ b/linux-2.6-xen-sparse/arch/xen/x86_64/mm/ioremap.c Mon Aug 22
09:40:47 2005
@@ -442,7 +442,7 @@
                 * __direct_remap_area_pages(). 
                v->val = (machine_addr & PAGE_MASK) | pgprot_val(prot);
+               v->val &= __supported_pte_mask;
                machine_addr += PAGE_SIZE;
                address += PAGE_SIZE; 

Intel Open Source Technology Center

Attachment: ioremap.patch
Description: ioremap.patch

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