RE: [Xen-devel] iommu: mapping reserved region failed - Q35 -VT-DIssue

["Ross Philipson" <Ross.Philipson@xxxxxxxxxx>]

For rebuilding the xen part - the messages are coming out of the
hypervisor. E.g:

xen-unstable.hg/xen/make install debug=y

Ross

-----Original Message-----
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Stefan Bauer
Sent: Wednesday, October 29, 2008 3:41 PM
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] iommu: mapping reserved region failed - Q35
-VT-DIssue

Ross Philipson schrieb:
> I meant rebuild xen with debug=y. There is a bunch of tracing in the
> routines that are trying to setup the context mapping that indicate
what
> is going on including tracing out what device it was dealing with when
> things failed. Also (as mentioned in another email just sent), we can
> enhance that logging in these routines to see if the hardware
remapping
> unit is missing for this device or something related.

debug=y can just be applied right after make linux-2.6-xen-build? or
where do i supply that debug=y ?

> Also again I was curious - it seems the failure trace you reported
below
> was during dom0 boot - is this true?

Yes it's all during dom0 booting.

-- 
Stefan

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