I got this message in kernel 2.5.73 after connecting my Neuros Audio
player: 

----
usb-storage: Vendor: Frontier Labs
usb-storage: Product: Nex II Digital
usb-storage: This device (0451,5409) has unneeded SubClass and
Protocol entries in unusual_devs.h
Please send a copy of this message to
<[EMAIL PROTECTED]>
----

/proc/bus/usb/devices:
----
T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 2
B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0
D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=0000 ProdID=0000 Rev= 2.05
S:  Manufacturer=Linux 2.5.73joehill.1 uhci-hcd
S:  Product=Intel Corp. 82371AB/EB/MB PIIX4 
S:  SerialNumber=00:07.2
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms

T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=12  MxCh= 0
D:  Ver= 1.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=16 #Cfgs=  1
P:  Vendor=0451 ProdID=5409 Rev= 0.01
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
----

This player was hanging my system in 2.4, and works partially in 2.5.

I have three unresolved USB issues where I've had no luck on the -users
list.  Does anyone have any suggestions for fixing these?

Neuros Audio Player Hangs System
http://sourceforge.net/mailarchive/forum.php?thread_id=2674506&forum_id=5395

USB Printer Problem--Can only print one page at a time
http://sourceforge.net/mailarchive/message.php?msg_id=4469519

USB Scanner Difficulties on HP Omnibook Laptop (not accepting address)
http://sourceforge.net/mailarchive/message.php?msg_id=5205635

--Adam Kessel

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