> > And i will recive get STRING descriptor many times(
> > especially STRING_MANUFACTURER),Is it normal?
> 
> It is normal if the host runs Windows.  It's not normal if the host runs 
> Linux (there should be only 3 or 4 string descriptor fetches).
> 
> Alan Stern
> 
> 

The order of my SETUP packets which i receive:

 80.06 v0100 i0000 l0040
fsg_setup:1512> setup_req rc=18
SETUP 80.06 v0100 i0000 l0040
fsg_setup:1512> setup_req rc=18
SETUP 80.06 v0100 i0000 l0040
fsg_setup:1512> setup_req rc=18
SETUP 00.05 v0013 i0000 l0000
SETUP 80.06 v0100 i0000 l0012
fsg_setup:1512> setup_req rc=18
SETUP 80.06 v0600 i0000 l000a
fsg_setup:1512> setup_req rc=-95
SETUP 80.06 v0600 i0000 l000a
fsg_setup:1512> setup_req rc=-95
SETUP 80.06 v0600 i0000 l000a
fsg_setup:1512> setup_req rc=-95
SETUP 80.06 v0200 i0000 l0009
fsg_setup:1512> setup_req rc=32
SETUP 80.06 v0200 i0000 l0020
fsg_setup:1512> setup_req rc=32
SETUP 80.06 v0300 i0000 l00ff
fsg_setup:1512> setup_req rc=4
SETUP 80.06 v0302 i0409 l00ff
fsg_setup:1512> setup_req rc=54
SETUP 80.06 v0301 i0409 l00ff
fsg_setup:1512> setup_req rc=64
SETUP 80.06 v0301 i0409 l00ff
fsg_setup:1512> setup_req rc=64
SETUP 80.06 v0301 i0409 l00ff
fsg_setup:1512> setup_req rc=64
SETUP 80.06 v0301 i0409 l0002
fsg_setup:1512> setup_req rc=64
SETUP 80.06 v0301 i0409 l0040
fsg_setup:1512> setup_req rc=64
SETUP 80.06 v0301 i0409 l0040
fsg_setup:1512> setup_req rc=64
SETUP 80.06 v0301 i0409 l0040
fsg_setup:1512> setup_req rc=64
SETUP 80.06 v0303 i0409 l00ff
fsg_setup:1512> setup_req rc=26
SETUP 00.09 v0001 i0000 l0000
fsg_setup:1512> setup_req rc=1255
g_file_storage gadget: full speed config #1
invalid CBW: len 64 sig 0xf1f1f1f1


i think there are must some problems,
as there are some many SETUP 80.06 v0301 i0409 l00ff
But i tried many times,but the results are the same.
Can u tell me what causes this situation?

thx





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