$ dmesg
...
[14550.832250] 5:3:1: cannot set freq 16000 to ep 0x86
[14551.832156] 5:3:1: cannot set freq 16000 to ep 0x86
[14552.832183] 5:3:1: cannot set freq 16000 to ep 0x86
[14553.832252] 5:3:1: cannot set freq 16000 to ep 0x86
[14554.832164] 5:3:1: cannot set freq 16000 to ep 0x86
[14555.832204] 5:3:1: cannot set freq 16000 to ep 0x86
[14556.832370] 5:3:1: cannot set freq 16000 to ep 0x86
I get loads of these in Natty:
$ dmesg
...
[14550.832250] 5:3:1: cannot set freq 16000 to ep 0x86
[14551.832156] 5:3:1: cannot set freq 16000 to ep 0x86
[14552.832183] 5:3:1: cannot set freq 16000 to ep 0x86
[14553.832252] 5:3:1: cannot set freq 16000 to ep 0x86
[14554.832164] 5:3:1: cannot set freq 16000 to ep 0x86
[14555.832204] 5:3:1: cannot set freq 16000 to ep 0x86
[14556.832370] 5:3:1: cannot set freq 16000 to ep 0x86
so problem has not gone away.