Date: Mon, 8 Mar 2004 17:40:22 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: Eric Anderson <anderson@centtech.com> Cc: freebsd-current@freebsd.org Subject: Re: -CURRENT, EHCI, and the iPod Message-ID: <Pine.BSF.4.21.0403081739010.51038-100000@InterJet.elischer.org> In-Reply-To: <404D1CDC.5060909@centtech.com>
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On Mon, 8 Mar 2004, Eric Anderson wrote: > Julian Elischer wrote: > [..snip..] > >>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.. Correction.. I have a test machine that exhibits the problem you describe. it is also an intel EHCI controller. > > > > > > > > > > > >>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. > > So it should work in -current then, right? > > I'll build a new kernel with EHCI support and give it a try.. Try with acpi enabled and disabled.. > > Eric > > > -- > ------------------------------------------------------------------ > Eric Anderson Sr. Systems Administrator Centaur Technology > Today is the tomorrow you worried about yesterday. > ------------------------------------------------------------------ >
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