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.

-hpa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/