On Mon, 19 Sep 2011, gene heskett wrote: > I took that literally. So, in an effort to control the enumeration of the > printers, I blacklisted 'parport' and rebooted. Didn't help as the one > printer discovered was still usblp2, and the parport and friends still > appeared in an lsmod. It's possible that those drivers get loaded in your initramfs, in which case the blacklist settings wouldn't have any effect. > So I blacklisted the rest of the parports friends, ppdev and parport_pc and > will reboot again, but before I do that again, is there a good explanation > as to why I have to wait till the reboot is done, tail the log and unplug > the long cable/hub that connects the stuff in the basement to an external > usb-2.0 hub? Then when I reconnect the cable, 3 or 4 seconds later, this time the > discovery finds everything down there: > > Sep 19 13:19:13 coyote klogd: usb 1-1.1: new full speed USB device using ehci_hcd and address 17 > Sep 19 13:19:13 coyote klogd: usb 1-1.1: New USB device found, idVendor=03eb, idProduct=3301 > Sep 19 13:19:13 coyote klogd: usb 1-1.1: New USB device strings: Mfr=0, Product=2, SerialNumber=0 > Sep 19 13:19:13 coyote klogd: usb 1-1.1: Product: Standard USB Hub ... > Is there some reason this stuff is not found at bootup time? > > It is all plugged in and powered full time. Can't tell unless you also post the dmesg log showing what happens during bootup. Alan Stern -- 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