On 11/02/2011 08:58 PM, Alan Stern wrote: moin, > The usbmon log on the nonworking system shows that some user program > (not the kernel) is sending bogus commands to the USB stick. I have no > idea what program it is or why it is sending those commands. One of > the commands causes the stick to reset, so the capacity seems to go to > 0 and then back to its real value. ah, thanks a lot! that might be one of the udev/udisks helpers. i'll try to figure what causes that. > You're testing the two different kernels on two different machines, > right? Have you tried testing both kernels on the same machine? yes, it is on two different machines. if i cannot identify that process directly, i'll test with the two kernels on one machine. tty, axel -- 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