Date: Mon, 8 Mar 2004 17:19:34 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: Craig Boston <craig@xfoil.gank.org> Cc: freebsd-current@freebsd.org Subject: Re: -CURRENT, EHCI, and the iPod Message-ID: <Pine.BSF.4.21.0403081717260.51038-100000@InterJet.elischer.org> In-Reply-To: <200403081858.15016.craig@xfoil.gank.org>
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On Mon, 8 Mar 2004, Craig Boston wrote: > On Monday 08 March 2004 05:30 pm, you wrote: > > I have MFC'd the ehci controller > > and I see it working there. > > well, in general.. > >--------- > > > > however I still see some problems that I am looking at.. > > e.g. sometimes teh kernel stops booting at the ehci probe. > > (sometimes it gets past it), So I've more to do. > > Have you been able to successfully connect a USB 2 device to this controller? > The behavior I've seen on a couple ICH4 boards is that the controller gets > recognized fine and USB 1 devices work (through UHCI). However, as soon as > I connect a USB 2 device, I get the "controller halted" and "disabling port" > messages. yes I have read a USB-2 flash 'keyring' drive at 54Mb/sec. well above the 12Mb/sec that USB1 is capable of.. > > Tried to debug it but didn't have much luck. I suspect it's some subtle > timing bug or other weirdness with Intel's implementation. . . > > My two NEC-based ones work ok -- one PCI and one CardBus. I do > sometimes have panics with umass, and occassionally the laptop > somehow loses all ability to deliver interrupts, to anything (almost > always when accessing the USB hard drive for the first time after a > reboot). Note this is with the MFC'd -stable code. > > Craig >
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