On Fri, 23 Sep 2005, Chuck Ebbert wrote: > In-Reply-To: <[EMAIL PROTECTED]> > > On Fri, 23 Sep 2005 at 11:05:39 -0700, David Brownell wrote: > > > > OHCI is claiming my USB 2.0 hub, connected to the built-in USB port > > > on my x86-64 notebook. > > > > Or to say it more correctly: "ehci is NOT claiming it". > > If it's not doing that, there's some sort of hardware issue. > > > > Maybe you're using a cable that doesn't pass high speed signals > > correctly, or that motherboard port has wiring glitches that > > prevent highspeed signaling from working there. Maybe one of > > the other ports will work better. > > I disabled OHCI in my .config and recompiled. Now EHCI claims the USB 2.0 > hub and everything works perfectly. I have a low-speed mouse, a full-speed > USB serial device and a high-speed storage device connected to the hub and > they all work. My disk drive was getting 900 KB/sec and now it gets > 20 MB/sec. > > > Or maybe it's just a low quality device; we've certainly seen > > problems like those before. Genesys is somewhat infamous for > > that > > EHCI fails to claim any/all USB 2.0 devices connected. The hub was > just an example...
But you just said that now it _does_ claim the hub and everything works perfectly. Which is it? The presence of the OHCI driver shouldn't make any difference to how the EHCI controller behaves. You could try re-enabling OHCI in your .config and recompiling again. Maybe everything will continue to work perfectly. Alan Stern ------------------------------------------------------- SF.Net email is sponsored by: Tame your development challenges with Apache's Geronimo App Server. Download it for free - -and be entered to win a 42" plasma tv or your very own Sony(tm)PSP. Click here to play: http://sourceforge.net/geronimo.php _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
