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Re: [Xen-devel] Guest-vs-Host MTRR/PAT conflict and a crash?
| To: | David Stone <unclestoner@xxxxxxxxx>, "Su, Disheng" <disheng.su@xxxxxxxxx>, Xen Developers <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Guest-vs-Host MTRR/PAT conflict and a crash? |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Sun, 06 Jan 2008 23:00:55 +0000 |
| Delivery-date: | Sun, 06 Jan 2008 14:53:57 -0800 |
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| Thread-index: | AchQt/31PEpgqryrEdyO+wAWy6hiGQ== |
| Thread-topic: | [Xen-devel] Guest-vs-Host MTRR/PAT conflict and a crash? |
| User-agent: | Microsoft-Entourage/11.3.6.070618 |
On 3/1/08 22:04, "David Stone" <unclestoner@xxxxxxxxx> wrote: > But hold on...this excercise made me realize that it appears the guest > is programming the graphics card's BAR with an address (guest-physical > address of 0x10000000) that is within the guest's system memory (lower > 1GB of guest-physical address space, 0x00000000-0x40000000). Can > someone out there throw me a bone and tell me that I'm right in > thinking this should never happen? That should never happen. I wonder where it gets that address from. Perhaps it is stupidly hardcoded somewhere? -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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