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xen-ia64-devel
RE: [Xen-ia64-devel] RE: ar.unat
Got it!
>-----Original Message-----
>From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
>[mailto:xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Xu, Anthony
>Sent: 2005年11月3日 11:57
>To: Magenheimer, Dan (HP Labs Fort Collins)
>Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>Subject: [Xen-ia64-devel] RE: ar.unat
>
>Where is regcheck tool??
>
>Anthony
>
>>-----Original Message-----
>>From: Magenheimer, Dan (HP Labs Fort Collins) [mailto:dan.magenheimer@xxxxxx]
>>Sent: 2005年11月3日 11:54
>>To: Xu, Anthony
>>Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>>Subject: RE: ar.unat
>>
>>> 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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