[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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:


> 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.


Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.