Re: [Xen-devel] Xen 4.0.0-rc7 problem/hang with vt-d DMAR parsing

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 23/03/2010 14:40, "Pasi Kärkkäinen" <pasik@xxxxxx> wrote:

>> Just when I wrote that Xen 4.0.0-rc7 works fine for me.. :)
>> Ok, so I went to BIOS and enabled VT-d. I haven't used VT-d earlier on this
>> system.
>> 
> 
> I just tried Xen 4.0.0-rc6-pre, and it has the same problem,
> it is flooding the same messages and takes forever to boot.
> 
> So 4.0.0-rc7 actually works better, since it surpresses
> the messages as a default so it takes "only" 30 secs to parse
> the DMAR tables.

Do you have the latest BIOS version installed? What motherboard do you have?
It's not impossible that the BIOS VT-d support is just broken (I assume
you've never tested VT-d on this particular type of system before).

 -- Keir



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