usb redirection with view client for linux

Hi, I want to redirect a microphone from Thin Client (Ubuntu, with VMware View Client for linux 1.4.0), but failed. I collected the detailed log as bellow.

Anyone can help to analyse? Thanks very much.

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THIN CLIENT:

Linux cb8898501 2.6.34 #1 SMP Fri Jul 8 07:11:01 WAT 2011 i686 unknown
Linux version 2.6.34 (root@linux) (gcc version 4.4.1 (Ubuntu 4.4.1-4ubuntu9) ) #1 SMP Fri Jul 8 07:11:01 WAT 2011
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VMWARE VIEW CLIENT:

VMware View Client 1.4.0