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Re: [Xen-devel] RE: [Xen-changelog] [xen-unstable]vt-d: Fixpanic in msi_
| To: | "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>, Miroslav Rezanina <mrezanin@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] RE: [Xen-changelog] [xen-unstable]vt-d: Fixpanic in msi_msg_read_remap_rte with acpi=off |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Mon, 19 Oct 2009 16:34:50 +0100 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Mon, 19 Oct 2009 08:35:24 -0700 |
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| Thread-topic: | [Xen-devel] RE: [Xen-changelog] [xen-unstable]vt-d: Fixpanic in msi_msg_read_remap_rte with acpi=off |
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On 19/10/2009 15:18, "Cui, Dexuan" <dexuan.cui@xxxxxxxxx> wrote: >> So sorry about that. I'll revert Dexuan's patch. >> >> -- Keir > > But, can't you reproduce the crash I mentioned before? > Please see the attached crash log -- I'm using c/s 20341:ea34183c5c11 and with > "iommu=1 acpi=off" and I use a DQ35 host. > > Actually what I care is the " if ( acpi_disabled ) iommu_enabled = 0". Does this really save you though? What if you specify just "iommu=1" on an ACPI system that doesn't have VT-d (and therefore declares no DHRD units)? -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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