Re: [Suggestion] Memory check
Keith Owens (kaos@ocs.com.au)
Tue, 18 Aug 1998 07:21:09 +1000
On Mon, 17 Aug 1998 09:23:58 +0200 (MEST),
wolff@dutepp0.et.tudelft.nl (R.E.Wolff@BitWizard.nl, Rogier Wolff) wrote:
>Carsten Pluntke wrote:
>>
>> Due to a really nasty surprise with a faulty block of memory which caused
>> some programs (especially X) to malfunction or to crash, would it be an
>> idea to implement a memory check routine early in the
>> booting/configuration sequence, maybe settable using a kernel option?
>
>Once "init" is started, you can do it in "userspace". No need to put
>it in the kernel.
Frank Gockel (gockel@sent13.uni-duisburg.de) mailed a memtest patch to
linux-kernel in July 1998 to test memory at boot up. One big advantage
of doing the test in kernel is that he marks faulty pages as reserved
to stop the kernel using them. Waiting until init is running can be
too late, the page might already be in use.
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