Loading image to SDRAM under ubuntu

Helo sir,

1)While rebootinng my os its showing the error

an error occured while mounting /proc/bus/usb press s to skip or m for manual recovery.

2.alex@alex:/$ jtagconfig

1) usb-blaster [7-1]

020f30dd ep3c25/ep4ce22

2)alex@alex:/$ killall jtagd

jtagd(1154): operation not permitted

jtagd: no process found

3)alex@alex:/$ nios2-download -g ~/uClinux/distro/nios2-linux/uClinux-dist/images/zImage

there are no nios ii cpus with debug modules available which match the values

specified. please check that your pld is correctly configured, downloading a

new sof file if necessary.

and another error is /opt/quartus/linux/libstdc++.s0.6: version 'glibcxx_3.4.11' not found (required by /user/lib/i386-linux-gnu/libproxy.so.1) showing when i tried to open quartus

Where is the mistake ? kindly any help?

Thanks,

Alex.

(http://www.alteraforum.com/forum/editpost.php?do=editpost&p=154758)