2013/1/18 Justin M. Forbes <jmfor...@linuxtx.org> > On Thu, Jan 17, 2013 at 09:18:40AM -0800, Chuck Forsberg WA7KGX N2469R > wrote: > > Recently I discovered the motherboard that had been running omen.com > > had an undetected bad memory chip. This is a real confidence builder. > > > > Currently, running a definitive memory test requires hours of down time. > > The user mode memory tester has serious limitations. > > > > I propose kernel support for a user mode program similar to memtest86 > > to allow such a program to request a hardware block of memory and > > relocate whatever was in that block to another memory area. This way > > all of the memory can be checked in the background of a running system. > > > > There are a lof of reasons that this isn't feasible on a running system. > You just don't have access to all of the memory for a full check. > > Justin > > why not? is there something that can not be relocated in RAM?
on the other hand, wasn't there supposed to be a way to exclude a damaged RAM area by passing some arguments to the kernel?
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