On Wed, 22 Jun 2005, Steve Listopad wrote: > So, being greedy for speed, I modprobed ehci-hcd, and got this: ... > Woo Hoo! I was able to mount the thing, and see the pictures/movies taken > with my camera. > > Unfortunately, the thrill of victory turned into the agony of defeat! > > I wrote a shell script to copy the files to a location on my hard drive > (just to echo each file as it was being copied, to give me an idea of how > fast things were going)... It got through, say, a dozen files, and then the > computer locked hard. I mean frozen solid. No periodic disk cache writes, no > nothing. And nothing in the logs (after I rebooted), to even give me a hint. > > So, at this point, I'm not even sure I understand what I've discovered. Why > could I modprobe the high-speed usb, and still have the device recognized? ( > i.e. why did I have to do an rmmod to begin with?) And, would this somehow > point to a problem with my pc, or with the device? Unfortunately, I only > have a usb mouse and keyboard, and I doubt that they're hi-speed, so using > them as test devices probably wouldn't tell me much (though I did try my SD > card reader in the ports I used for the mouse and keyboard, and it still > wasn't recognized. Only rmmod caused anything to happen). > > So, I feel like I'v made good progress, but not sure in what direction. > Would I need any updated usb packages? If so, how would I determine the > versions I have in the first place?
This strongly suggests that the EHCI controller on your computer is broken. Try buying a PCI USB add-on card. Alan Stern ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click _______________________________________________ Linux-usb-users@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
