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SubjectRe: Hardware Error Kernel Mini-Summit
On Mon, May 24, 2010 at 8:55 AM, Russ Anderson <> wrote:
> ia64 had the Intel defined MCA Spec which defined the interaction
> between SAL and the kernel.  x86 does not have a similar well
> defined way of how errors should be handled.  It would be
> good to agree on how the errors should be handled.

X86 has machine check registers defined by the SDM. It also
has some f/w <-> OS interactions defined by the APEI sections
in the latest ACPI spec (chapter 17 of the 4.0a spec released
last month - see Some parts look cleaner than
the ia64 SAL spec. E.g. errors logged from before the current
OS booted are presented in the Boot Error Record Table instead
of just appearing among the stream of errors that SAL_GET_ERROR
provides to the OS without any way to distinguish current errors
from old ones.

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