Re: UAS errors with Jmicron

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On Thu, 2014-07-31 at 00:39 +0200, Laszlo T. wrote:
> >> > Disconnection issues like you are seeing are typical for drawing
> >> > too much power from the port. Using uas as the dmesg shows you
> >> > are will allow us to send more commands to the disk at once
> >> > (which is a good thing, it is faster) and as such will increase
> >> > power consumption.
> >>
> >> Maybe the too much commands freeze the chip.
> >
> > That is a testable hypothesis.
> > This patch shows how to manipulate that number.
> > You can play with the number to see whether there's
> > a critical value.
> 
> I tested with lot of values. I'm not totally sure but it looks the 31
> is max number where it is still stable to create an ext4 filesystem.

So we have a number. What is unclear to me from the available
information is whether we are dealing with a limitation of the
drive or of the enclosure.
Did you happen to test the enclosure with another drive?

	Regards
		Oliver


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