I've been hitting the bug talked about in this thread:
https://bugzilla.redhat.com/show_bug.cgi?id=605888
and using the patch in Comment 7 as a work around. In reading on, I saw
that redhat released a kernel (kernel-2.6.35.6-45.fc14) that contains a
patch like this:
http://lists.fedoraproject.org/pipermail/scm-commits/2010-October/510785.html
Is there any reason to omit this from mainline? The patch that redhat
is using seems like a 'better' fix than the fixup I'm using from Comment
7, but does that completely disable DMAR when this device is present?
That seems like an overkill approach, when there is the hack from the
thread from redhat's bugzilla. Is there some other impact from the
patch I'm using? Everything works fine on my system with it.
Anyways, the point to all of this was, I really don't like having to
carry patches and apply them with each update. I'd love to see some
fixup get into mainline, especially if it can be minimal impact on
functionality, like the first thread linked here. Is there anything
else I can provide to help facilitate this?
Pat Erley
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