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Date:      Thu, 3 Jun 2010 11:22:33 -0300
From:      "Marcelo/Porks" <marcelorossi@gmail.com>
To:        Hans Petter Selasky <hselasky@c2i.net>
Cc:        Garrett Cooper <yanefbsd@gmail.com>, current@freebsd.org
Subject:   Re: Fwd: umodem (4) recognize a CDC-ACM device
Message-ID:  <AANLkTin2MsQIb3cDhKl9GYjZlOCyyCDMW36dbKmSLXoI@mail.gmail.com>
In-Reply-To: <201006021825.25337.hselasky@c2i.net>
References:  <AANLkTinuhcIfsFvowzbsDJWy-gqob40oNxUPN-OvXc2E@mail.gmail.com>  <201006021750.17588.hselasky@c2i.net> <AANLkTim-3GuF3us0SLnZs1iCPvEpQKxYJZ5Rl7-ItFhp@mail.gmail.com>  <201006021825.25337.hselasky@c2i.net>

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On Wed, Jun 2, 2010 at 1:25 PM, Hans Petter Selasky <hselasky@c2i.net> wrot=
e:
> Hi,
>
> The problem is that LOW speed does not support BULK transfers according t=
o the
> USB specification. I guess we could switch that support on, though I'd ra=
ther
> stick with the spec.
>
> Try changing this line in:
>
> src/sys/dev/usb/usb_transfer.c
>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0[USB_SPEED_LOW] =3D 0, =A0 =A0/* not suppo=
rted */
> Into:
>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0[USB_SPEED_LOW] =3D 8, =A0 =A0/* not suppo=
rted according to USB
> spec. */
>

Hi, Thanks again for the reply.

I changed this line [1], but the result was the same:

BARAD-DUR% uname -a
FreeBSD BARAD-DUR.BUTECO 9.0-CURRENT FreeBSD 9.0-CURRENT #0 r208760M:
Thu Jun  3 10:13:44 BRT 2010
porks@BARAD-DUR.BUTECO:/usr/obj/mnt/ad2s1d/data/src/sys/BARAD-DUR
i386

BARAD-DUR# kldstat
Id Refs Address    Size     Name
 1   29 0xc0400000 757368   kernel
 2    1 0xc0b58000 5ad4     snd_cmi.ko
 3    3 0xc0b5e000 574a4    sound.ko
 4    1 0xc0bb6000 4dfa90   nvidia.ko
 5    3 0xc1096000 2eacc    linux.ko
 6    1 0xc4405000 8000     linprocfs.ko
 7    1 0xc4753000 3000     logo_saver.ko
 8    1 0xc4a9b000 4000     umodem.ko

BARAD-DUR# tail -f /var/log/messages
Jun  3 11:10:21 BARAD-DUR kernel: uhub_reattach_port: port 1 reset
failed, error=3DUSB_ERR_TIMEOUT
Jun  3 11:10:21 BARAD-DUR kernel: uhub_reattach_port: device problem
(USB_ERR_TIMEOUT), disabling port 1
Jun  3 11:10:21 BARAD-DUR kernel: ugen0.3: <www.recursion.jp> at usbus0
Jun  3 11:10:21 BARAD-DUR kernel: umodem0: <www.recursion.jp USB-232,
class 2/0, rev 1.10/1.00, addr 3> on usbus0
Jun  3 11:10:21 BARAD-DUR kernel: umodem0: data interface 1, has CM
over data, has no break
Jun  3 11:10:21 BARAD-DUR kernel: device_attach: umodem0 attach returned 6
Jun  3 11:10:21 BARAD-DUR kernel: umodem0: <www.recursion.jp USB-232,
class 2/0, rev 1.10/1.00, addr 3> on usbus0
Jun  3 11:10:21 BARAD-DUR kernel: umodem0: data interface 1, has CM
over data, has no break
Jun  3 11:10:21 BARAD-DUR kernel: device_attach: umodem0 attach returned 6


BARAD-DUR# usbconfig -u 0 -a 3 dump_device_desc dump_curr_config_desc
ugen0.3: <USB-232 www.recursion.jp> at usbus0, cfg=3D0 md=3DHOST spd=3DLOW
(1.5Mbps) pwr=3DON

  bLength =3D 0x0012
  bDescriptorType =3D 0x0001
  bcdUSB =3D 0x0110
  bDeviceClass =3D 0x0002
  bDeviceSubClass =3D 0x0000
  bDeviceProtocol =3D 0x0000
  bMaxPacketSize0 =3D 0x0008
  idVendor =3D 0x16c0
  idProduct =3D 0x05e1
  bcdDevice =3D 0x0100
  iManufacturer =3D 0x0001  <www.recursion.jp>
  iProduct =3D 0x0002  <USB-232>
  iSerialNumber =3D 0x0000  <no string>
  bNumConfigurations =3D 0x0001


 Configuration index 0

    bLength =3D 0x0009
    bDescriptorType =3D 0x0002
    wTotalLength =3D 0x0043
    bNumInterfaces =3D 0x0002
    bConfigurationValue =3D 0x0001
    iConfiguration =3D 0x0000  <no string>
    bmAttributes =3D 0x0080
    bMaxPower =3D 0x0032

    Interface 0
      bLength =3D 0x0009
      bDescriptorType =3D 0x0004
      bInterfaceNumber =3D 0x0000
      bAlternateSetting =3D 0x0000
      bNumEndpoints =3D 0x0001
      bInterfaceClass =3D 0x0002
      bInterfaceSubClass =3D 0x0002
      bInterfaceProtocol =3D 0x0001
      iInterface =3D 0x0000  <no string>

      Additional Descriptor

      bLength =3D 0x05
      bDescriptorType =3D 0x24
      bDescriptorSubType =3D 0x00
       RAW dump:
       0x00 | 0x05, 0x24, 0x00, 0x10, 0x01


      Additional Descriptor

      bLength =3D 0x04
      bDescriptorType =3D 0x24
      bDescriptorSubType =3D 0x02
       RAW dump:
       0x00 | 0x04, 0x24, 0x02, 0x02


      Additional Descriptor

      bLength =3D 0x05
      bDescriptorType =3D 0x24
      bDescriptorSubType =3D 0x06
       RAW dump:
       0x00 | 0x05, 0x24, 0x06, 0x00, 0x01


      Additional Descriptor

      bLength =3D 0x05
      bDescriptorType =3D 0x24
      bDescriptorSubType =3D 0x01
       RAW dump:
       0x00 | 0x05, 0x24, 0x01, 0x03, 0x01


     Endpoint 0
        bLength =3D 0x0007
        bDescriptorType =3D 0x0005
        bEndpointAddress =3D 0x0083  <IN>
        bmAttributes =3D 0x0003  <INTERRUPT>
        wMaxPacketSize =3D 0x0008
        bInterval =3D 0x00ff
        bRefresh =3D 0x0000
        bSynchAddress =3D 0x0000


    Interface 1
      bLength =3D 0x0009
      bDescriptorType =3D 0x0004
      bInterfaceNumber =3D 0x0001
      bAlternateSetting =3D 0x0000
      bNumEndpoints =3D 0x0002
      bInterfaceClass =3D 0x000a
      bInterfaceSubClass =3D 0x0000
      bInterfaceProtocol =3D 0x0000
      iInterface =3D 0x0000  <no string>

     Endpoint 0
        bLength =3D 0x0007
        bDescriptorType =3D 0x0005
        bEndpointAddress =3D 0x0001  <OUT>
        bmAttributes =3D 0x0002  <BULK>
        wMaxPacketSize =3D 0x0008
        bInterval =3D 0x0000
        bRefresh =3D 0x0000
        bSynchAddress =3D 0x0000

     Endpoint 1
        bLength =3D 0x0007
        bDescriptorType =3D 0x0005
        bEndpointAddress =3D 0x0081  <IN>
        bmAttributes =3D 0x0002  <BULK>
        wMaxPacketSize =3D 0x0008
        bInterval =3D 0x0000
        bRefresh =3D 0x0000
        bSynchAddress =3D 0x0000



[1] Actually the line is 3062 on current of 2010 Jun 2:
http://fxr.watson.org/fxr/source/dev/usb/usb_transfer.c#L3060

--=20
Marcelo Rossi
"This e-mail is provided "AS IS" with no warranties, and confers no rights.=
"



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