On 2007-08-06 11:26, Bernd Walter <ticso_at_cicely12.cicely.de> wrote: >On Mon, Aug 06, 2007 at 03:31:20AM +0300, Giorgos Keramidas wrote: >> % keramida_at_kobe:/home/keramida$ sudo usbdevs -dv >> % Password: >> % [...] >> % Controller /dev/usb4: >> % addr 1: high speed, self powered, config 1, EHCI root hub(0x0000), Intel(0x0000), rev 1.00 >> % uhub4 >> % port 1 addr 2: high speed, power 80 mA, config 1, USB Mass Storage Device(0x0163), ????????y(0x1307), rev 1.00 >> % umass0 >> % [...] >> >> Does the odd `????????y' vendor name mean that the kernel prints >> random `garbage' here? If that is so, how can I use kdb and watch >> this while it happens? > > It does mean, that the device has an unprintable name. > The strings in USB are unicode and the device is free to use non ascii > character, but the kernel has to reduce it to printable ascii ones > and replaces ever other character with an '?'. > But more often than using non ascii characters broken devices uses > plain ascii with garbage in the high byte. > Anyway - it's the device sending non ascii codes. I see. Thanks for the enlightening reply :-)Received on Mon Aug 06 2007 - 10:14:34 UTC
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