[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: Re[2]: [Xen-devel] No VT-d with Xen 3.3/3.4rc3 on Intel-Board DQ45CB
Am 20.05.2009 um 21:38 schrieb Sander Eikelenboom: Are you problems with VT-D and the Intel-Board DQ45CB fixed ? Almost.In fact, the hang occurs with RAM > 2 GB and is caused by a BIOS error. As one of the Intel guys on this list told me after several tests: Please let me offer more technical details about the hang you suffer from: Due to the very very big and bad rmrr->end_address 0xffffffffbfffffff, in setup_dom0_rmrr() -> iommu_prepare_rmrr_dev(), intel_iommu_map_page() is invoked too too many times and you see the hang... I already received a patch for Xen 3.4RC4 which I can properly enable VT-d with. But there'll be a BIOS-Update soon, they promised. Tim _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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