On Thu, 3 Dec 2009, Ed Tomlinson wrote: > Hi, > > Just booted in 2.6.32 and shortly after the boot finished my console was spammed with: > > [ 72.221620] usb 7-4.1: reset full speed USB device using ehci_hcd and address 5 > [ 72.375589] usb 7-4.1: reset full speed USB device using ehci_hcd and address 5 > [ 72.529568] usb 7-4.1: reset full speed USB device using ehci_hcd and address 5 ... > I noticed the leds on the devince blinking and unplugged it. The messages stopped. > > Plugging it in to another port gave: > > [ 120.096590] usb 7-4.2: new full speed USB device using ehci_hcd and address 7 > [ 120.188421] usb 7-4.2: New USB device found, idVendor=0781, idProduct=0200 > [ 120.196857] usb 7-4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > [ 120.205801] usb 7-4.2: Product: USB SSFDC > [ 120.205803] usb 7-4.2: Manufacturer: SanDisk > [ 120.206023] usb 7-4.2: configuration #1 chosen from 1 choice > [ 120.210375] scsi10 : SCSI emulation for USB Mass Storage devices > [ 120.210625] usb-storage: device found at 7 > [ 120.210627] usb-storage: waiting for device to settle before scanning > [ 125.210356] scsi 10:0:0:0: Direct-Access Sandisk0 ImageMate SDDR-0 0208 PQ: 0 ANSI: 0 > [ 125.221014] sd 10:0:0:0: Attached scsi generic sg8 type 0 > [ 125.538583] usb 7-4.2: reset full speed USB device using ehci_hcd and address 7 > [ 125.693592] usb 7-4.2: reset full speed USB device using ehci_hcd and address 7 > [ 125.846595] usb 7-4.2: reset full speed USB device using ehci_hcd and address 7 ... > just in case it happened to be an interaction with the hub used I tried another: ... > with the same results. > > Ideas? More information is needed. Collect a usbmon trace showing what happens when the device is plugged in. Instructions are in the kernel source file Documentation/usb/usbmon.txt. Alan Stern -- 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
