[Xen-ia64-devel] RE: ar.unat

["Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>]

> I can take a look at this, please send me regcheck utilty.
> 
> 
> Thanks
> Anthony

Great, thanks!  Here's where I got Tony's regcheck tool.  If
it's not still there, perhaps Tony can post it.

By the way, if anyone tries this on a domU, Matt Chapman
has a pending fix that resolves a FP save/restore issue.

Thanks,
Dan 

> -----Original Message-----
> From: linux-ia64-owner@xxxxxxxxxxxxxxx 
> [mailto:linux-ia64-owner@xxxxxxxxxxxxxxx] On Behalf Of Luck, Tony
> Sent: Tuesday, March 01, 2005 4:33 PM
> To: linux-ia64@xxxxxxxxxxxxxxx
> Subject: RE: [patch 2.6.11-rc3-bk4] Correctly dereference 
> ia64_mca_data
> 
> Back on February 9th, I wrote:
> >I wrote a test program that loads up random values into registers
> >(just r1-r31, a bunch of stacked registers, and f2-f127 for now)
> >and then checks that all the registers haven't changed value a
> >few thousand times, before reloading with a new set of random
> >values.
> 
> A few people asked whether I could post the program ... it took
> a while to get sign-off ... but that gave me time to add "branch",
> "predicate" and half a dozen "application" registers to the mix,
> plus make it print the name of the register that was nuked (instead
> of a number that required manual translation).
> 
> I've tested it by using a debugger to zap one of each class 
> of register
> that is being monitored to check that it works.
> 
> http://www.kernel.org/pub/linux/kernel/people/aegl/ia64regcheck.tgz 
> 
> Usage ... compile, and run a few copies.  If they all "exit(0)" (which
> may take a couple of days) the test passed.  Otherwise you should see
> the name of the register printed to stderr, and exit code 1.
> 
> Apart from the MCA case, I haven't seen it report a problem 
> yet ... but
> I've only run a few hours.
> 
> -Tony

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