On Mon, 8 May 2017, David Woodhouse wrote:
> > On Mon, 8 May 2017, David Woodhouse wrote:
> > > Our empirical testing trumps your "can never happen" theory :)
> >
> > I'm sure it does. But what is the explanation then? Has anyone analyzed
> > what is going on using an oscilloscope to verify rela
On Mon, 8 May 2017, David Woodhouse wrote:
> > I've got a problem with the underlying mechanism. How long does it take to
> > erase a NAND block? A couple of milliseconds. That means that for an erase
> > to be "weak" du to a power fail, the host CPU must issue an erase command,
> > and then t
On Mon, 8 May 2017, David Woodhouse wrote:
> > [Issue is, if you powerdown during erase, you get "weakly erased"
> > page, which will contain expected 0xff's, but you'll get bitflips
> > there quickly. Similar issue exists for writes. It is solveable in
> > software, just hard and slow... and we
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