Re: x86: missing FRED #PF event data?

[Sergey Senozhatsky]

On (26/08/10 11:06), David Laight wrote:
[..]
> > > Can you reproduce on real hardware? I mean, you were babbling about pKVM
> > > (whatever that is), so I'm thinking you're on some dodgy virt thing.
> > > 
> > > Not that I have any actual FRED hardware to test anything on :/  
> > 
> > It's an actual H/W, a laptop (Intel(R) Core(TM) Ultra 7 355 powered),
> > I was babbling about pKVM because it seems that the best way to
> > reproduce is to launch a VM, yet the crash is happening on the host
> > side.
> > 
> 
> Is the same fault processed correctly from userspace?
> If not it might be easier to test.

I'll look into it.  So far I'm aware of crashes when people run VMs,
and somehow it's always that page-crossing csum load.  There might
be other crashes, but I'm only aware of that one.