On Thu, 22 Dec 2005, Travis H. wrote: > On 12/21/05, Alan Stern <[EMAIL PROTECTED]> wrote: > > I'm saying that it doesn't matter what brand of card you have. Either > > there's an OHCI controller on the card or there isn't -- and if there > > isn't then loading ohci-hcd won't have any effect at all (except to > > consume some system memory uselessly). > > Ah. I thought that EHCI was a superset of OHCI, and by loading it I > could get my card to function in a lower-performance matter.
No. EHCI and OHCI are two completely separate pieces of hardware. > If ehci-hcd isn't loaded, but the card functions, what is going on? Your card has a UHCI controller, and it's being driven by uhci-hcd. Look at your own log messages, the ones you posted earlier. You'll see it in there. > Also, I've found that I can get stuff to work by not plugging it in at > boot time, then plugging it in later. I'm not sure if that helps > anyone, I am too ignorant of USB to know what's going on. A lot of people seem to be having problems with EHCI not working at boot time recently. Perhaps you're suffering from the same problem. > > Maybe. Maybe adding a powered hub would help. Maybe a different USB > > cable would work better. > > Hmm, does it matter that this is probably a USB 1.0 hub? I have no idea. Try it and see. Alan Stern ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel