Hi,

Sorry for the delay, thanks for answering my post.

Here's a snippet from /var/log/messages when I put in my flash disk,
then took it out, then plugged in the Netgear DM602:

Jun  6 08:36:41 darkstar kernel: Initializing USB Mass Storage driver...
Jun  6 08:36:41 darkstar kernel: usb.c: registered new driver
usb-storage
Jun  6 08:36:41 darkstar kernel: scsi1 : SCSI emulation for USB Mass
Storage devices
Jun  6 08:36:42 darkstar kernel:  sda: sda1
Jun  6 08:36:42 darkstar kernel: USB Mass Storage support registered.
Jun  6 08:40:30 darkstar kernel: usb.c: USB disconnect on device
00:07.2-2 address 2
Jun  6 08:41:18 darkstar kernel: hub.c: new USB device 00:07.2-2,
assigned address 3
Jun  6 08:41:21 darkstar kernel: usb.c: registered new driver acm
Jun  6 08:41:21 darkstar kernel: acm.c: v0.21:USB Abstract Control Model
driver for USB modems and ISDN adapters


Relevant lines are last two lines.  Seems the ACM driver thinks the
device is OK. Here is a copy of /proc/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= 1.00 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=0000 ProdID=0000 Rev= 0.00
S:  Product=USB UHCI-alt Root Hub
S:  SerialNumber=8000
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=   8 Ivl=255ms
T:  Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#=  3 Spd=12  MxCh= 0
D:  Ver= 1.10 Cls=02(comm.) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=0846 ProdID=3501 Rev= 0.14
S:  Manufacturer=54697461
S:  Product=45746830
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=200mA
I:  If#= 0 Alt= 0 #EPs= 3 Cls=0a(data ) Sub=00 Prot=00 Driver=(none)
E:  Ad=81(I) Atr=03(Int.) MxPS=  32 Ivl=100ms
E:  Ad=83(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=05(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms

Starting from the 11th line seems to be the comm. device, then line 16
is the data device.  See how the hub device driver is registered for the
comm. device?  (Or is that a line that belongs to the hub only?  I'll
have to read up on the /proc/usb/devices file and how I should interpret
its contents.)

Thanks for any suggestions or help. :)

Cheers
James



On Fri, 2004-06-04 at 18:34, Stephen J. Gowdy wrote:
> Can you post /proc/bus/usb/devices? THe bridge would be in the device, not
> on the computer. Is tehre a web configuration for the device that you
> should set it up on?
> 
> On Fri, 4 Jun 2004, James Buchanan wrote:
> 
> > Hi,
> >
> > I have a Netgear DM602 Ethernet/USB modem/router.  I can use it with my
> > ethernet card as a router or with USB as a modem, in which case my ISP
> > asks that it must run in "bridged" mode, which I understand to be modem
> > mode, not router mode.  This is apparently where the modem simply passes
> > on whatever it gets, either way, without interfering.  Not sure really.
> >
> > The ACM driver on kernel 2.4.22 doesn't register itself with this
> > device, even though lsusb reveals two USB devices or whatevers, with
> > type 'comm.' and type 'data' leading me to believe it could work with
> > that driver.  Apparently if it had a proprietary interface it would show
> > up as type=ff(vend.).
> >
> > If bridged mode is what I think it is, then I should be able to write a
> > simple USB driver that is like a pass-thru device, not doing anything
> > other than making the data transfer happen between pppoe/whatever and
> > the device via the USB stack.  I am sure I can manage that much.
> >
> > The driver that claims this device on kernel 2.4.22 is hub.  Is this
> > wrong?  Can I simply issue the command as given in the USB guide:
> >
> > mknod /dev/usb/ttyACM0 c 166 0
> >
> > My DM602 is showing up on /proc/bus/usb/01/02.  I have no idea what this
> > means.  I think it means that it's on the first USB port.  Not sure what
> > the '02' is for.  There is only one USB port and one device that
> > attaches to it.  (I wonder what the comm. and data devices are?  Are
> > they separate chips inside the DM602?)
> >
> > Actually, I am using Slackware 9.1 on the IBM Thinkpad iSeries laptop,
> > and I'd like to get rid of the 2.4.22 kernel and compile and use a 2.6.6
> > kernel instead.  But the last time I tried to do it with kernel 2.6.0
> > the system was thoroughly FUBAR. :-/  Not sure if I am supposed to
> > compile and install a 2.6.x kernel on a system which uses a 2.4.x
> > kernel.
> >
> > Thanks!
> > James
> >
> >
> >
> >
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> --
>  /------------------------------------+-------------------------\
> |Stephen J. Gowdy                     | SLAC, MailStop 34,       |
> |http://www.slac.stanford.edu/~gowdy/ | 2575 Sand Hill Road,     |
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