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While executing lsusb command from terminal ,without any expected output it generates following error on Fedroa16 alpha PPC64 : [root@c57f1ju0204 ~]# lsusb unable to initialize libusb: -99 --- additional info --- [root@c57f1ju0204 ~]# uname -a Linux c57f1ju0204.ppd.pok.ibm.com 3.1.0-0.rc9.git0.2.fc16.kh.ppc64 #1 SMP Wed Oct 12 22:41:01 UTC 2011 ppc64 ppc64 ppc64 GNU/Linux [root@c57f1ju0204 ~]# rpm -qa | grep -i usb usb_modeswitch-data-20110714-1.fc16.noarch usb_modeswitch-1.1.7-1.fc16.ppc64 libusb1-1.0.9-0.3.rc1.fc16.ppc64 libusb-0.1.3-9.fc16.ppc64 rt73usb-firmware-1.8-8.fc15.noarch usbmuxd-1.0.7-1.fc16.ppc64 usbutils-003-4.fc16.ppc64 xorg-x11-drv-sisusb-0.9.4-7.fc16.ppc64 libertas-usb8388-firmware-5.110.22.p23-5.fc15.noarch Also seen on a system running 3.1.0-7.fc16.ppc64
Has this machine usb bus?
------- Comment From maknayak.com 2011-11-08 11:07 EDT------- (In reply to comment #6) > Has this machine usb bus? I checked both on system and HMC properties , there is no usb device attached. [root@c57f1ju0204 ~]# ls -l /sys/bus/pci/devices/ total 0 Thanks... Manas
Well if it does not have usb than I think that there is no problem. Lsusb tries to initialize libusb and it failed because there is no usb, this looks like correct behavior.