> > > From: Pretorian [mailto:[EMAIL PROTECTED]]
> > >
> > > > Hi there,
> > > > I've got a Trust ISDN USB Modem 64k/128k, and linux 2.2.16
> > > patched for usb backport, which
> > > > currently appears to work. Yeah, i've already mounted the
> > > filesystem.
> > > > However, if i create the /dev/ttyACM files, the system
> > > > reports ttyACM as Invalid Argoment... I don't know why..
> > > > The kernel detects the USB Modem, but it won't work...
> > > > I have the usbcore, acm, usb-uhci modules loaded.
> > > >
> > > > INFO ON USB DEVICES:
> > > > =====================================
> > > > usb.c: unhandled interfaces on device
> > > > usb.c: This device is not recognized by any installed
> USB driver.
> > > > Length = 18
> > > > DescriptorType = 01
> > > > USB version = 1.00
> > > > Vendor:Product = 07b0:0001
> > > > MaxPacketSize0 = 8
> > > > NumConfigurations = 1
> > > > Device version = 0.06
> > > > Device Class:SubClass:Protocol = 00:00:00
> > > > Per-interface classes
> > > > Configuration:
> > > > bLength = 9
> > > > bDescriptorType = 02
> > > > wTotalLength = 0027
> > > > bNumInterfaces = 01
> > > > bConfigurationValue = 01
> > > > iConfiguration = 00
> > > > bmAttributes = a0
> > > > MaxPower = 250mA
> > > >
> > > > Interface: 0
> > > > Alternate Setting: 0
> > > > bLength = 9
> > > > bDescriptorType = 04
> > > > bInterfaceNumber = 00
> > > > bAlternateSetting = 00
> > > > bNumEndpoints = 03
> > > > bInterface Class:SubClass:Protocol = ff:ff:00
> > > > iInterface = 00
> > > > Endpoint:
> > > > bLength = 7
> > > > bDescriptorType = 05
> > > > bEndpointAddress = 81 (in)
> > > > bmAttributes = 03 (Interrupt)
> > > > wMaxPacketSize = 0028
> > > > bInterval = 01
> > > > Endpoint:
> > > > bLength = 7
> > > > bDescriptorType = 05
> > > > bEndpointAddress = 01 (out)
> > > > bmAttributes = 01 (Isochronous)
> > > > wMaxPacketSize = 0028
> > > > bInterval = 00
> > > > Endpoint:
> > > > bLength = 7
> > > > bDescriptorType = 05
> > > > bEndpointAddress = 83 (in)
> > > > bmAttributes = 03 (Interrupt)
> > > > wMaxPacketSize = 0008
> > > > bInterval = 01
> > > >
> > > > CAT /PROC/BUS/USB/DEVICES -after plugged-
> > > > ===========================================
> > > >
> > > > 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 Root Hub
> > > > S: SerialNumber=d400
> > > >
> > > > 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#= 2
> Spd=12 MxCh= 0
> > > > D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
> > > > P: Vendor=07b0 ProdID=0001 Rev= 0.06
> > > > S: Product=ISDN USB TA
> > > > S: SerialNumber=Firmware : Rev. 1.01
> > > >
> > > > C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=250mA
> > > > I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=00
> Driver=(none)
> > > > E: Ad=81(I) Atr=03(Int.) MxPS= 40 Ivl= 1ms
> > > > E: Ad=01(O) Atr=01(Isoc) MxPS= 40 Ivl= 0ms
> > > > E: Ad=83(I) Atr=03(Int.) MxPS= 8 Ivl= 1ms
> > > >
> > > > =================================================
> > > >
> > > > Hi,
> > > >
> > > > Did you make the ttyACM devices nodes like as described in
> > > > http://www.linux-usb.org/USB-guide/x318.html ?
> > > >
> > > > What are the exact error messages that you get?
> > > >
> > > > However, even after this is done correctly, the acm driver
> > > > still won't detect and use your modem (ISDN TA).
> > > > Your device doesn't fit the ACM (Abstract Control Model)
> > > > of the USB Communications Device Class, and that's
> > > > all that the acm driver supports.
> > > >
> > > > ~Randy
> > > >
> > > >
> > >
> > > I've already made the ttyACMx devices, but if i do a cat
> > > /dev/usb/ttyACMx or using it through a program like
> minicom it says:
> > >
> > > /dev/usb/ttyACMx: Invalid Argument
> > >
> > > Usually, with others devices the message was:
> > >
> > > /dev/xxxxx: No such Device
> > >
> > > I Don't know if my modem is ACM compliant... i'll take a
> > > minute to contact the company...
> > >
> > > What's your answer?
> > >
> > > ______________________________________________________________
> >
> > Well, you might have a permissions problem on /dev/usb/ttyACM* .
> > What does 'ls -l /dev/usb' show?
> >
> > I have all of my /dev/usb/ttyACM* as rw-rw-rw- (666)
> > and minicom will talk to them.
> >
> > ~Randy
> >
> it shows this:
>
> total 32
> drwxr-xr-x 2 root root 4096 Jul 19 19:53 ./
> drwxr-xr-x 7 root root 28672 Jul 20 14:29 ../
> crw-rw-rw- 1 root root 166, 0 Jul 19 19:53 ttyACM0
> crw-rw-rw- 1 root root 166, 1 Jul 19 19:53 ttyACM1
> crw-rw-rw- 1 root root 166, 2 Jul 19 19:53 ttyACM2
>
> however the problem is still on, if i'm root...
> look this:
>
> nopt:/# cd dev/usb/
> nopt:/dev/usb# ls
> ttyACM0 ttyACM1 ttyACM2
> nopt:/dev/usb# cat ttyACM*
> cat: ttyACM0: Invalid argument
> cat: ttyACM1: Invalid argument
> cat: ttyACM2: Invalid argument
> nopt:/dev/usb# cd ..
> nopt:/dev# cat isdnctrl1
> cat: isdnctrl1: No such device
> nopt:/dev#
>
> These are two example from 2 different devices.. really, i
> don't know what's happening... but you have got my same modem?
> ______________________________________________________________
I don't know why you are seeing "Invalid argument".
I don't get that.
And no, I don't have the same modem as yours.
~Randy
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