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SubjectRe: 2.6.0, cdrom still showing directories after being erased
> > Of course you get problems if a raw devices changes underneath a
> > mounted filesystem, I would expect that. That is _NOT_ what we were
> > talking about _AT ALL_. The point is that the device itself caches
> > the state of the disc over an erase, so even if the device is
> > unmounted before an erase, when it is re-mounted, the stale data is
> > read from the device's own cache, which should have been invalidated
> > by the erase.
>
> Is it realy a hardware issue?

I originally thought so, but maybe I was wrong. Jens posted a patch
to invalidate kernel buffers on an umount - if the problem persists
with that patch, I still believe it is a hardware fault.

> Oh, and it is very simple to shout on anyone "Just eject and reload,
> there is no issue, everything pointless".

Well, I never suggested that, and I don't think it's an acceptable
solution, unless the problem is limited to a few broken drives.

John.
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