Re: [Pkg-xen-devel] ioatdma: Boot process hangs then reboots whenusing Xen + Linux 3.2

[Bastian Blank]

On Thu, Mar 01, 2012 at 10:42:44PM -0800, Dan Williams wrote:
> WARN_ON may work, but then kernel may be subject random hangs from missed
> i/o completions.

Why is that? Currently it just dies if was triggered via interrupt and
for some reason no active descriptor was found.

>                   Is xen32 using vt-d?

Yes. Xen can use VT-D.

>                                         Just wondering if writes from ioat
> device are getting misdirected.

How do VT-D and ioat interact?

Bastian

-- 
Too much of anything, even love, isn't necessarily a good thing.
		-- Kirk, "The Trouble with Tribbles", stardate 4525.6
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/