Re: [PATCH 00/22] HWPOISON: Intro (v5)

From: H. Peter Anvin
Date: Tue Jun 16 2009 - 16:37:29 EST

Russ Anderson wrote:
> On Mon, Jun 15, 2009 at 03:29:34PM +0200, Andi Kleen wrote:
>> I think you're wrong about killing processes decreasing
>> reliability. Traditionally we always tried to keep things running if possible
>> instead of panicing.
> Customers love the ia64 feature of killing a user process instead of
> panicing the system when a user process hits a memory uncorrectable
> error. Avoiding a system panic is a very good thing.

Sometimes (sometimes it's a very bad thing.)

However, the more fundamental thing is that it is always trivial to
promote an error to a higher severity; the opposite is not true. As
such, it becomes an administrator-set policy, which is what it needs to be.

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