Alan Stern wrote: > > > Actually there's something like a card reader which continually gets > probed. It would be nice if you could stop that activity. > That was a builtin multicard reader, that I did not use, but was still connected. I had to open the case and pull the usb cable, and replace the usbmon trace with a new one. Problem continues after reboot. > Or else different broken flash drives? I don't know. Meanwhile I see the problem with four different computers, four different card readers, a heap of flash cards, and usb pendrives. I don't believe they are all broken. > All I can say is > that the usbmon trace shows that the drive you were using stopped > working as soon as the computer tried to do a large write. > The pendrive works perfectly on my digital video recorder, and the flash cards work on my cameras. I can't believe that all my devices are broken. > Maybe the drive just can't handle transfers that are too large. You > can reduce the transfer size by setting the drive's max_sectors value > (the file will be /sys/block/sdg/device/max_sectors, if the drive is > /dev/sdg). Trying writing 64 to that file before using the drive. > Even 32 doesn't help. regards Hadmut -- 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
