Re: IP27: CONFIG_TRANSPARENT_HUGEPAGE triggers bus errors

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On Mon, Nov 10, 2014 at 12:20:39PM +0100, Thomas Bogendoerfer wrote:
> On Mon, Nov 10, 2014 at 11:51:06AM +0100, Ralf Baechle wrote:
> > Thomas,
> > 
> > can you test CONFIG_TRANSPARENT_HUGEPAGE on an IP28?
> > 
> > All in all the R10000's TLB is unproblematic; my gut feeling is that
> > rather something else specific to IP27 is spoiling the broth.
> 
> I'll give it a spin later today.

looks like IP28 has more problems than HUGEPAGES... even without
huge pages enabled it locks up during upgrading debian packages:-(
My gut feeling is that there is another spot hitting the ll/sc errata
stuff for this old R10k CPU.

So no new data out of that.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]





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