2005/9/15, Alan Stern <[EMAIL PROTECTED]>:
> On Thu, 15 Sep 2005, Franck wrote:
>
> > OK, I didn't added SCSI disk support in my kernel. It's not
> > automatically selected when selecting USB mass storage driver, is
> > there any reasons ?
>
> Yes. USB mass storage devices need not be disk drives. You might have a
> USB DVD drive, so the disk driver isn't automatically selected.
>
hmm, don't think so. I'm still using this usb stick with an embedded hub:
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 47 Spd=480 MxCh= 1
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=067b ProdID=2515 Rev= 1.00
S: Manufacturer=Prolific Technology Inc.
S: Product=USB Embedded Hub
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=256ms
T: Bus=01 Lev=02 Prnt=47 Port=00 Cnt=01 Dev#= 48 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=067b ProdID=2517 Rev= 1.00
S: Manufacturer=Prolific Technology Inc.
S: Product=USB Mass Storage Device
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=05 Prot=50 Driver=usb-storage
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> > During device scan, It seems that the driver (mass-storage ?) is
> > periodically issuing a transfer on endpoint 0 of the stick then
> > waiting for something (during 6 or 7 seconds). Here's is the transfer:
> >
> > SETUP (urb = 0xc02806e0) -> SETUP token (003-00): data [ff 00 00 00
> > 00 00 00 10]
> > STATUS -> OUT token (003:00)
> >
> > The same behaviour is happening when mounting the device. Could you
> > tell me what's going on here ?
>
> You're getting a lot of resets.
>
OK
> > I attached the full communication when plugging the stick.
>
> It's a real nuisance to read hex dumps of data packets. Instead, turn on
> CONFIG_USB_STORAGE_DEBUG. The log will be a lot easier to read and
> understand.
>
OK, I'll do it tomorrow.
Thanks, and good night ;)
--
Franck
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