On Wed, 2011-02-16 at 11:10 +0200, Avi Kivity wrote:
> On 02/16/2011 11:05 AM, Hao, Xudong wrote:
> > Hi, all,
> > This is KVM test result against kvm.git 
> > a685b38e272587e644fedd37269ddb82df21c052, and qemu-kvm.git 
> > 671d89d6411655bb4f8058ce6eb86bb0bb8ec978.
> >
> > Currently qemu-kvm can build successfully on RHEL5, and Qcow image create 
> > failure issue also got fixed, our nightly testing resumed. One VT-d device 
> > assignment issue opened on latest KVM.
> >
> > New issue:
> > 1. [VT-d] VT-d device passthrough fail to guest
> > https://bugzilla.kernel.org/show_bug.cgi?id=29232
> >

Extremely reproducible.  Looks like it's a result of this kernel change:

commit 47970b1b2aa64464bc0a9543e86361a622ae7c03
Author: Chris Wright <chr...@sous-sol.org>
Date:   Thu Feb 10 15:58:56 2011 -0800

    pci: use security_capable() when checking capablities during config space re
    
    Eric Paris noted that commit de139a3 ("pci: check caps from sysfs file
    open to read device dependent config space") caused the capability check
    to bypass security modules and potentially auditing.  Rectify this by
    calling security_capable() when checking the open file's capabilities
    for config space reads.
    
    Reported-by: Eric Paris <epa...@redhat.com>
    Signed-off-by: Chris Wright <chr...@sous-sol.org>
    Signed-off-by: James Morris <jmor...@namei.org>

Chris, why isn't this working for us?  Thanks,

Alex

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