2013/1/18 Adam Jackson <a...@redhat.com>
> On Fri, 2013-01-18 at 20:49 +0200, cornel panceac wrote: > > > > 2013/1/18 Justin M. Forbes <jmfor...@linuxtx.org> > > > 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? > > The kernel image itself. DMA buffers. Memory made inaccessible by PCI > BARs being in the way. Probably some other stuff I'm forgetting. Even > if you fixed all that you'd still be Heisenberg-uncertain because you'd > no longer be the only thing exerting cache pressure. > > > 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? > > See linux/Documentation/bad_memory.txt > > - ajax > > > > ok, thank you very much, ajax.
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