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    SubjectRe: 2.6.29: can't resume from suspend with DMAR (intel iommu) enabled
    On Fri, Apr 10, 2009 at 11:04:12PM -0700, David Woodhouse wrote:
    > On Tue, 2009-04-07 at 08:56 +0100, Matthew Garrett wrote:
    > > On Mon, Apr 06, 2009 at 01:56:01PM -0700, David Woodhouse wrote:
    > >
    > > > Dirk reported the same panic, but we've just turned his iommu back on
    > > > and completely failed to reproduce the problem -- so I'm kind of stuck.
    > >
    > > I saw this on a T400, but only on the first boot after enabling DMAR -
    > > power cycling "fixed" it.
    >
    > OK, that should be fixed (amongst other things) in
    > git.infradead.org/users/dwmw2/iommu-suspend-2.6.29.git and in the Fedora
    > 2.6.29.1-68.fc11 kernel. Thanks.
    >
    > http://www.kerneloops.org/raw.php?rawid=346794
    >

    Does this include backporting the interrupt remapping fixes, or just
    ignoring it since none of the current laptop chipsets support it?

    regards, Kyle


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