On Tue, Dec 04, 2012 at 05:10:45PM +0200, Deniz Eren wrote: > Hello; > > After upgrading my machine from kernel 2.6.18 to kernel 3.5.3 `lsusb` > started to not giving output. > > With hwdata-0.213.26-1.el5 package installed: > $ lsusb > Protocol spec without prior Class and Subclass spec at line 4297 > > Gave this error and nothing more. > > > After downgrading hwdata to hwdata-0.213.16-1.el5.noarch.rpm: > > $ lsusb > > Started to give no output. > > I am using usbutils-0.71-2.1. Can you offer a solution? Yes, please upgrade your very old version of usbutils and things should start working again. The hwdata package isn't the problem here at all. Please let us know if that doesn't work, greg k-h -- 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