2013/1/18 Adam Jackson <ajax@xxxxxxxxxx>
On Fri, 2013-01-18 at 20:49 +0200, cornel panceac wrote:
> 2013/1/18 Justin M. Forbes <jmforbes@xxxxxxxxxxx>
> There are a lof of reasons that this isn't feasible on aThe kernel image itself. DMA buffers. Memory made inaccessible by PCI
> 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?
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.
See linux/Documentation/bad_memory.txt
> 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?
- ajax
ok, thank you very much, ajax.
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