On 07/15/2013 11:36 AM, Aneesh Kumar K.V wrote:
> Anshuman Khandual writes:
>
>> On 07/10/2013 06:32 PM, Mahesh J Salgaonkar wrote:
>>> From: Mahesh Salgaonkar
>>>
>>> During Machine Check interrupt on pseries platform, R3 generally points to
>>> memory region inside RTAS (FWNMI) area. We see r3
Anshuman Khandual writes:
> On 07/10/2013 06:32 PM, Mahesh J Salgaonkar wrote:
>> From: Mahesh Salgaonkar
>>
>> During Machine Check interrupt on pseries platform, R3 generally points to
>> memory region inside RTAS (FWNMI) area. We see r3 corruption because when
>> RTAS
>> delivers the machin
On 07/10/2013 06:32 PM, Mahesh J Salgaonkar wrote:
> From: Mahesh Salgaonkar
>
> During Machine Check interrupt on pseries platform, R3 generally points to
> memory region inside RTAS (FWNMI) area. We see r3 corruption because when RTAS
> delivers the machine check exception it passes the address
On Thu, 2013-07-11 at 10:04 +0530, Mahesh Jagannath Salgaonkar wrote:
> > I always got that error and used to wonder why I find FWNMI
> > corrupt. IS this a rtas bug or is it documented in papr ?
>
> Nope. There is no mention of it in PAPR. It looks like a bug in RTAS.
Typically, the top bit in r
On 07/10/2013 07:41 PM, Aneesh Kumar K.V wrote:
> Mahesh J Salgaonkar writes:
>
>> From: Mahesh Salgaonkar
>>
>> During Machine Check interrupt on pseries platform, R3 generally points to
>> memory region inside RTAS (FWNMI) area. We see r3 corruption because when
>> RTAS
>> delivers the machin
Mahesh J Salgaonkar writes:
> From: Mahesh Salgaonkar
>
> During Machine Check interrupt on pseries platform, R3 generally points to
> memory region inside RTAS (FWNMI) area. We see r3 corruption because when RTAS
> delivers the machine check exception it passes the address inside FWNMI area
> w
From: Mahesh Salgaonkar
During Machine Check interrupt on pseries platform, R3 generally points to
memory region inside RTAS (FWNMI) area. We see r3 corruption because when RTAS
delivers the machine check exception it passes the address inside FWNMI area
with the top most bit set. This patch fixe