On Thu, Feb 04, 2010 at 08:32:21AM +0000, Neil Kalo wrote: > Upgraded to: 2.6.32.7-37.fc12.i686.PAE > > Still no joy. Plugging in the meter gives: > > Feb 4 08:27:04 localhost kernel: usb 4-1: new full speed USB device > using ohci_hcd and address 2 > Feb 4 08:27:04 localhost kernel: usb 4-1: New USB device found, > idVendor=05e6, idProduct=2100 > Feb 4 08:27:04 localhost kernel: usb 4-1: New USB device strings: > Mfr=2, Product=3, SerialNumber=1 > Feb 4 08:27:04 localhost kernel: usb 4-1: Product: 2100 Multimeter > Feb 4 08:27:04 localhost kernel: usb 4-1: Manufacturer: KEITHLEY INSTRUMENTS > Feb 4 08:27:04 localhost kernel: usb 4-1: SerialNumber: 1160791 > Feb 4 08:27:04 localhost kernel: usb 4-1: configuration #1 chosen from 1 choice > Feb 4 08:27:04 localhost kernel: usbcore: registered new interface > driver usbtmc > > But "cat /dev/usbtmc0" gives: > cat: /dev/usbtmc0: Connection timed out > > And in the logs: > Feb 4 08:27:35 localhost kernel: usbtmc 4-1:1.0: Unable to read data, > error -110 > > The very old driver still works: > > Feb 4 08:31:02 localhost kernel: USBTMC: MKDEV > Feb 4 08:31:02 localhost kernel: USBTMC: CDEV_ADD f900000 1 > Feb 4 08:31:02 localhost kernel: usbcore: registered new interface > driver USBTMC > > [root@mc22 usbtmc-module]# cat /dev/usbtmc0 > Minor Number Manufacturer Product Serial Number > 001 KEITHLEY INSTRUMENTS 2100 Multimeter 1160791 Care to try to figure out what is going wrong here and send a patch? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html