[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] iommu: mapping reserved region failed - Q35 -VT-DIssue
OK, that is what I was going to give you anyway and that is sort of what I expected. Can you get a dump of you ACPI DMAR table. You can use pmtools to dump the ACPI tables: http://kernel.org/pub/linux/kernel/people/lenb/acpi/utils/ You will have to build it and then run the dump tool. If you use the all option it will dump everything. I then have a little tool that prints out the DMAR in human readable form so we can see what the DRHD reporting structures look like. Thanks Ross -----Original Message----- From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Stefan Bauer Sent: Friday, October 31, 2008 10:32 AM Cc: 'xen-devel@xxxxxxxxxxxxxxxxxxx' Subject: Re: [Xen-devel] iommu: mapping reserved region failed - Q35 -VT-DIssue Han, Weidong schrieb: > if ( !drhd ) > + { > + printk("%s: can't find drhd for device (bus=%x dev=%x func=%x)\n", > + __func__, bus, PCI_SLOT(devfn), PCI_FUNC(devfn)); > return -ENODEV; > + } > > and you also can change XENLOG_INFO to XENLOG_ERR in domain_context_mapping(). Added and recompiled, output here: www.plzk.de/CAPTURE2 > A few months ago, in xen mailing list I remember some guys reported: when using PEG card (turning off integrated Gfx) on Q35, VT-d cannot work. It's the bios issue. I suspect it's not fixed yet. So I suggest you to use IGD instead of PEG. I would, but if i do not select PEG in bios, lspci did not show the PEG card. Stefan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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