On Sun, 11 Sep 2005, Leslie Katz wrote: > My apologies. I was composing a message to the list a > moment ago and sent it by mistake, though only part > written. I'll begin again. > > I am using Fedora Core 3 with kernel version > 2.6.11-1.35, gphoto2, version 2.1.6 and a USB DSC > with VID 2770 and PID 9120. > > At first, I was using gphoto2, version 2.1.5, and was > able to download images satisfactorily. Then, however, > I suddenly became unable to do so. When I tried, I > received a message saying "Error updating port > settings" and found in /var/log/messages a statement > like: "usbfs: 'interface 0 claimed while gphoto2 sets > config #1'". > > I posted to the gphoto2 list and was told that the > message was a recognised bug in v 2.1.5 and that I > should upgrade to v 2.1.6. > > I did, but continue to get the same message. I posted > again to the list, but got no further reply and so am > soliciting help here. > > I have 5 usb buses. I'll try, within my limited > knowledge, to summarise here what cat > /proc/bus/usb/devices says about them.
It's easier (and more informative) just to include a copy of the file in your email. > Four of the buses are v 1.1 and have uhci host > controllers. The fifth is v 2 and has an ehci host > controller. > > The DCS is attached to one of the uhci buses, a webcam > is attached to another and the ehci bus has a flash > disk attached. > > The driver shown for each controller is "hub", for the > webcam, "spca5xx", for the flash disk, "usb-storage", > and for the dsc, "none". > > My first and most basic question is--is it necessary > for the dsc to have its own driver before it will > work? No. Although during the period when gphoto2 is running, the driver should show up as "usbfs". > The gphoto2 manual, which, although dated June of this > year, refers to host controller drivers which I > understand are no longer current (usb-uhci and > usb-ohci), Those are the 2.4 equivalents of uhci-hcd and ohci-hcd. > seems to imply that all that is needed is a > driver for the host controller to which any dsc is > attached. Yes. > If someone would be good enought to tell me the answer > to my first question, I may be able to make some > progress. To get more information, set the "usbfs_snoop=y" parameter for the usbcore module. Then post the output from dmesg, showing what happens when you try to run gphoto2. Alan Stern ------------------------------------------------------- SF.Net email is Sponsored by the Better Software Conference & EXPO September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
