linux-kernel - Re: My position on general ``RAS'' tool support infrastructure

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Date:	Mon, 17 Sep 2007 18:38:53 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	ebiederm@...ssion.com (Eric W. Biederman)
Cc:	pete@...elane.com, Jason Wessel <jason.wessel@...driver.com>,
	Matt Mackall <mpm@...enic.com>,
	Amit Kale <amitkale@...syssoft.com>,
	Dave Anderson <anderson@...hat.com>, kdb@....sgi.com,
	jlan@....com, Vivek Goyal <vgoyal@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kexec Mailing List <kexec@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: My position on general ``RAS'' tool support infrastructure

On Thu, 13 Sep 2007 07:21:10 -0600 Eric W. Biederman wrote:

> Pete/Piet Delaney <pete@...elane.com> writes:
> 
> > Jason, Eric:
> >
> > Did you read Keith Owens suggestion on RAS tools from:

Yes.  and I re-read it.

There are several things in Keith's email that make sense:

a.  all RAS tools should use a common interface
b.  it's not the kernel's job to decide which RAS tool runs first

Eric makes some good points too.  I'm mostly similar to Eric:
paranoid about trusting software/hardware after a panic (or oops).

So if someone wants to use multiple RAS tools on a panic event,
enabling an admin to set priorities is OK with me, but I'll only
trust the first one that is used, and even that one may have
problems.  IOW, I don't see a big need to support multiple RAS
tools at one time.  (speaking for myself)

> So if someone who is suggesting an implementation can absorb 
> and understand the requirements of the different groups and come
> up with solutions that meet the requirements of the different projects
> I think progress can be made.  That as far as I know takes talent.

Ack that.

---
~Randy
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