Hi,
> 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
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