Re: NMI ??

Richard B. Johnson (root@chaos.analogic.com)
Fri, 30 Apr 1999 08:20:48 -0400 (EDT)


On Fri, 30 Apr 1999, Ralf Baechle wrote:

> On Thu, Apr 29, 1999 at 08:47:00PM -0500, Mark H. Wood wrote:
>
> > Ahh, one of the things I miss from the bad old mainframe days -- coming to
> > work in the morning and finding an email from the system monitoring
> > daemon:
> >
> > My memory is going bad. Please call Field Service and ask them
> > to replace board X. Failing pages marked offline.
>
> If you can migrate the pages. The current Linux MM doesn't support that.
>
> Ralf

Yes, but it could be done. Fairly easily in fact. Bad pages can be marked
not present (extra code), or simply "owned" by kswapd (minimal code). As
with VAX/VMS, a non-kernel task that encountered bad RAM can be killed,
but the rest of the world survives.

Cheers,
Dick Johnson
***** FILE SYSTEM WAS MODIFIED *****
Penguin : Linux version 2.2.6 on an i686 machine (400.59 BogoMips).
Warning : It's hard to remain at the trailing edge of technology.

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