Re: inode->i_wb_list corruption.

[Josh Boyer]

On Fri, Mar 09, 2012 at 02:44:49PM -0800, Keith Packard wrote:
> <#part sign=pgpmime>
> On Fri, 9 Mar 2012 15:19:34 -0500, Josh Boyer <jwboyer@xxxxxxxxxx> wrote:
> 
> > Is the VT-d issue something in the hardware itself, or do you mean if
> > you have it enabled in the kernel?  We've had the intel IOMMU disabled
> > by default in the Fedora kernels for a while now.  At least since before
> > 3.2 was released.
> 
> I don't know for sure; David Woodhouse gave a scary presentation
> yesterday that makes me unsure of what happens when IOMMU is disabled in
> the kernel, given that much of the hardware is setup by the BIOS.

Is that presentation something that could be shared?  I have to say,
hearing that doesn't really inspire confidence in either the IOMMU or
the kernel.

josh
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