On 07/08/2007 05:45 PM, Daniel J Blueman wrote: > When plugging in a USB 2 mass-storage device which I've been seeing > problems with, I caught a khubd oops [1]. Kernel is 2.6.22-rc7 on ia32 > built with Ubuntu's 2.6.22 .config.
> [ 4769.252000] sd 6:0:0:0: [sdb] Assuming drive cache: write through > [ 4769.252000] sdb: sdb1 < sdb5 sdb6<6>usb 5-3: reset high speed USB > device using ehci_hcd and address 8 So the device got reset right in the middle of scanning for partitions. > [ 4769.544000] usb 5-3: device descriptor read/64, error -71 > [ 4769.760000] usb 5-3: device descriptor read/64, error -71 > [ 4769.976000] usb 5-3: reset high speed USB device using ehci_hcd and > address 8 > [ 4770.088000] usb 5-3: device descriptor read/64, error -71 > [ 4770.304000] usb 5-3: device descriptor read/64, error -71 > [ 4770.520000] usb 5-3: reset high speed USB device using ehci_hcd and > address 8 > [ 4770.928000] usb 5-3: device not accepting address 8, error -71 > [ 4771.040000] usb 5-3: reset high speed USB device using ehci_hcd and > address 8 Then a whole slew of these by-now-familiar messages. Try disabling CONFIG_USB_SUSPEND. It makes lots of USB bugs go away: - scanners apps work instead of displaying black preview screens - printers stop spontaneously disconnecting - USB storage devices mysteriously work again - Blackberries start charging when plugged in ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
