Re: "Bad pagetable: 000c" crashes and errata "Not-Present Page Faults May Set the RSVD Flag in the Error Code"

From: Vasily Averin
Date: Mon Jun 20 2022 - 04:01:05 EST


On 6/20/22 10:18, Dave Hansen wrote:
> On 6/19/22 22:29, Vasily Averin wrote:
>> Some (old?) Intel CPU's have errata:
>> "Not-Present Page Faults May Set the RSVD Flag in the Error Code
>
> Do you happen to have a link to the actual erratum document? It's
> usually a "Specification Update" for some model or another.

For Intel Xeon E5400 used on affected node:
https://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/xeon-5400-spec-update.pdf
Intel® Xeon® Processor 5400 Series
Specification Update
August 2013
Document Number: 318585-021

page 39
AX74. Not-Present Page Faults May Set the RSVD Flag in the Error Cod

Later I've found similar articles for another processors too.

Thank you,
Vasily Averin