Date: Tue, 17 Jan 2006 16:38:51 -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: <20060117.163851.10386451.imp@bsdimp.com> In-Reply-To: <20060117.162938.68129078.imp@bsdimp.com> References: <20060117225131.GA6571@saturn.kn-bremen.de> <20060117.162938.68129078.imp@bsdimp.com>
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From: Warner Losh <imp@bsdimp.com> Subject: Re: ehci not used(?) when connected device turned on later Date: Tue, 17 Jan 2006 16:29:38 -0700 (MST) > 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. Oh, I'm slow today... I'm pretty sure that -current does the right thing, but I'll double check tonight. Warner
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