Hi Thomas, On Tuesday 06 January 2009, Thomas Feil wrote: > Hi Laurent, > > many thanks for replying to my messsage and thanks,too for > the effort you are spending providing these drivers! > > Following your advice, I checked for both installations: > > > @opensuse 11.1: > <6>usb 4-1: new full speed USB device using ohci_hcd and address 2 > <6>usb 4-1: configuration #1 chosen from 1 choice > <6>usb 4-1: New USB device found, idVendor=0471, idProduct=0333 > <6>usb 4-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0 > <6>usb 4-1: Product: USB Video Camera > > lsmod | grep -i hci_hcd: > ohci_hcd 36548 0 > ehci_hcd 55348 0 > usbcore 198656 8 > snd_usb_audio,usbhid,snd_usb_lib,uvcvideo,usb_storage,ohci_hcd,ehci_hcd > > > > @opensuse 11.0: > =============== > <6>usb 2-3: new high speed USB device using ehci_hcd and address 2 > <6>usb 2-3: configuration #1 chosen from 1 choice > <6>usb 2-3: New USB device found, idVendor=0471, idProduct=0333 > <6>usb 2-3: New USB device strings: Mfr=0, Product=1, SerialNumber=0 > <6>usb 2-3: Product: USB Video Camera > > lsmod | grep -i hci_hcd: > ehci_hcd 56204 0 > ohci_hcd 42628 0 > usbcore 188376 8 > snd_usb_audio,usbhid,snd_usb_lib,uvcvideo,usb_storage,ehci_hcd,ohci_hcd > > > It looks like, that in 11.1 ohci_hcd is loaded first and ehci_hcd > second. Then the device gets initialized with the ohci_hcd and > the uvc driver believes it's got a slow usb camera.
It's not the UVC driver that believes that, but the Linux USB stack. > Does that make sense? If yes, where to change the order? I'm not sure if the problem comes from module load order or from something else. You should try to investigate that with the help of the OpenSUSE people. Best regards, Laurent Pinchart _______________________________________________ Linux-uvc-devel mailing list [email protected] https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
