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Date:      Tue, 17 Jan 2006 16:29:38 -0700 (MST)
From:      Warner Losh <imp@bsdimp.com>
To:        nox@jelal.kn-bremen.de
Cc:        freebsd-usb@freebsd.org
Subject:   Re: ehci not used(?) when connected device turned on later
Message-ID:  <20060117.162938.68129078.imp@bsdimp.com>
In-Reply-To: <20060117225131.GA6571@saturn.kn-bremen.de>
References:  <20060117225131.GA6571@saturn.kn-bremen.de>

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From: Juergen Lock <nox@jelal.kn-bremen.de>
Subject: ehci not used(?) when connected device turned on later
Date: Tue, 17 Jan 2006 23:51:31 +0100

> Is this a known problem with the 5.4 usb code?
> 
> 1. connect an externally powered umass device (eg a harddrive with
> its own psu) thats turned off
> 2. boot freebsd
> 3. turn the device on later
> 
>  then it gets only usb 1.1 speed even when ehci is in the kernel.
> You have to reconnect it _while being turned on_ to get usb2 speed.
> Same problem if you turn it off after use and later turn it back on
> while still being connected...
> 
>  Is there a fix?  (With linux it works as expected, if that means
> anything... :)
> 
>  Oh, please Cc me with followups, I'm not subscribed on -usb (yet?)

I have no idea what you are saying.

ehci is used for me when I plug in my devices, or when I turn them
on.  Do you have ehci in your kernel?  It was disabled by default in
5.4.

Warner



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