Subject: Re: Processor correctavke error?
To: Ross Harvey <>
From: Matthew Jacob <>
List: port-alpha
Date: 06/11/1998 15:29:41
Ross Harvey wrote:
> Regarding correctible errors...
> cgd>    ...
> cgd> I interpreted the surrounding text to mean that if reporting is not
> cgd> disabled, they'll still be corrected, and that additionally the error
> cgd> will be reported.  However, that interpretation may be incorrect.
> cgd>
> cgd> If my interpretation was incorrect (and some ideas on the matter from
> cgd> those more familiar with PALcode would help; Ross?), then you're faced
> cgd> with a tradeoff:
> cgd>    ...
> You were correct, it doesn't even check mces$v_dpc until after attempting
> a scrub. I didn't check ev4 palcode, but it's clear that the intended meaning
> of the DPC bit is to suppress only the report interrupt.

I still want to know whether, for correctable errors, the kernel should
be doing any "corrective" action.