On Fri, Jan 23, 2009 at 11:31:51AM +0800, Sheng Yang wrote: > Hi, Linux USB community > > Recently I brought a USB sound card, everything looks fine except sometime > this thing happen: > > [ 2870.009042] hub 1-0:1.0: port 1 disabled by hub (EMI?), re-enabling... > [ 2870.009051] usb 1-1: USB disconnect, address 3 > [ 2870.372015] usb 1-1: new full speed USB device using uhci_hcd and address 4 > [ 2870.693906] usb 1-1: configuration #1 chosen from 1 choice > [ 2870.759002] input: Burr-Brown from TI USB Audio CODEC as > /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1:1.3/input/input8 > [ 2870.784180] input,hidraw0: USB HID v1.00 Device [Burr-Brown from TI > USB Audio CODEC ] on usb-0000:00:1a.0-1 Are you plugging another device in at the same time? Anything else happen? Move a cable? Touch the device? This is indicative of a hardware problem with your device. 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