New USB stack and USB floppy

[Hans Petter Selasky]

On Saturday 28 March 2009, Alex Keda wrote:
> Hans Petter Selasky пишет:
> > On Monday 23 March 2009, Alex Keda wrote:
> >> I have USB floppy.
> >>
> >> Mar 24 00:11:25 HP kernel: usb2_alloc_device:1516: getting device
> >> descriptor at addr 3 failed!
> >> Mar 24 00:11:26 HP kernel: ugen0.3: <Mitsumi> at usbus0
> >> Mar 24 00:11:26 HP kernel: umass0: <Mitsumi MITSUMI USB FDD 061M, class
> >> 0/0, rev 1.10/2.00, addr 3> on usbus0
> >> Mar 24 00:11:26 HP kernel: umass0:  SCSI over Bulk-Only; quirks = 0x0100
> >
> >                                                                      ^^^^
> > Edit /sys/dev/usb/storage/umass.c
> >
> > And remove the quirk entry for your device. Maybe it is not correct.
>
> I delete UMASS_PROTO_SCSI.
> But:
> Mar 28 17:44:01 HP kernel: usb2_alloc_device:1516: getting device
> descriptor at addr 3 failed!
> Mar 28 17:44:02 HP kernel: usb2_req_re_enumerate:1434: getting device
> descriptor at addr 3 failed!
> Mar 28 17:44:03 HP kernel: usb2_req_re_enumerate:1434: getting device
> descriptor at addr 3 failed!
> Mar 28 17:44:03 HP kernel: ugen0.3: <> at usbus0 (disconnected)
> Mar 28 17:44:03 HP kernel: uhub_reattach_port:413: could not allocate
> new device!
>

What happens if you use an external HUB to connect the device ?

--HPS