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Date:      Sun, 15 Jun 2003 09:41:31 -0400 (EDT)
From:      Andre Guibert de Bruet <andy@siliconlandmark.com>
To:        David Gilbert <dgilbert@velocet.ca>
Cc:        freebsd-current@freebsd.org
Subject:   Re: USB locks on laptops.
Message-ID:  <20030615093931.S31662@alpha.siliconlandmark.com>
In-Reply-To: <16106.41034.378735.873564@canoe.velocet.net>
References:  <16106.41034.378735.873564@canoe.velocet.net>

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On Sat, 14 Jun 2003, David Gilbert wrote:

> While I thought it might be an isolated example, I have several
> laptops ... all of which lock up their ports when usb devices are
> connected.  Typical messages include:
>
> usb3: unrecoverable error, controller halted
>
> and
>
> usb3: device problem, disabling port 3
>
> ... which is an example from a new laptop with usb2.0, but an older
> laptop with usb1.0 gives similar messages.
>
> Jun 14 00:09:48 canoe /kernel: uhub0: device problem, disabling port 2
>
> Now... on non-portable hardware, usb ports all seem to work.  All of
> my desktop machine's USB ports work just fine with the same hardware.
>
> Any ideas?

Disabling ACPI fixed this type of issue on a couple of HP notebooks I have
access to.

Regards,

> Andre Guibert de Bruet | Enterprise Software Consultant >
> Silicon Landmark, LLC. | http://siliconlandmark.com/    >



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