USB 3.0 delay in 'detecting' attached drive

Waitman Gobble gobble.wa at gmail.com
Sun Jun 10 22:08:42 UTC 2012


On Sun, Jun 10, 2012 at 1:56 PM, Julian H. Stacey <jhs at berklix.com> wrote:

> Waitman Gobble wrote:
> > Hi,
> >
> > I have a new machine with 2 USB 3.0 ports and 2 USB 2.0 ports. When I
> plug
> > a USB 3.0 drive / cable into the USB 3.0 port it takes about 70 seconds
> for
> > the drive to show up, on the USB 2.0 port it's instantly. I haven't used
> > USB 3.0 with FreeBSD so I'm not sure if this is expected or maybe I need
> to
> > reconfigure something or look at a different kernel config.
>
> Might be a marginal power issue.
> USB 3 devices are allowed to consume 1.0 Amps.
> USB2 ports only need provide 0.5.
>
> I have a tower wont recognise my USB disc on its USB2 ports.
> On my new PCI express card in same tower, it comes up quickly.
>
> Cheers,
> Julian
> --
> Julian Stacey, BSD Unix Linux C Sys Eng Consultants Munich
> http://berklix.com
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>

Thanks.

Not sure if there's anything I can do about that. It's a new HP dv6 laptop
which according to box was mfg in May 2012... I would assume hardware would
be designed and put together properly. :)

Waitman


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