Re: [PATCH] Work around BIOS bugs by quiescing USB controllers earlier

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On Tue, Aug 04, 2009 at 08:22:45AM +0100, David Woodhouse wrote:
> On Mon, 2009-08-03 at 08:49 -0700, Greg KH wrote:
> > Looks good to me, I'll queue it up.
> > 
> > Is this something that can wait for .32, or do you have hardware that is
> > broken today that this fixes?
> 
> This kind of BIOS bug probably accounts for _most_ of the 'VT-d crashes
> my machine' bugs that I've seen recently. Even for the ones which _did_
> turn out to be more interesting, we had to disable Legacy USB support in
> the BIOS before we could get any further. So if you're happy to push it
> sooner, that would be useful.

I'd feel better waiting, disabling Legacy USB support in the BIOS is a
recommended thing to do all the time anyway :)

Or, we can add it to .32 and then to .31 as a stable patch?

thanks,

greg k-h
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