> I don't know what's going on with 2.4, but I can answer your 
> first question.  USB_CONFIG_ATT_WAKEUP means that the 
> configuration supports Remote Wakeup requests: The device can 
> be set to issue a wakeup request if something interesting 
> happens while it is suspended.
> 
> (Note that there may be descriptors you're not seeing, since 
> it looks like you might not have the most recent version of lsusb.)
> 
> Alan Stern

Alan and David, thanks for the responses.  The original output that I sent
was generated by the show_usb_* functions in usb_debug.c.  Here is the lsusb
(ver 0.71) output for the non-working firmware.  The lsusb output seems to
be less thorough than the show_usb_* output.

Is it conceivable that the new firmware might be sending a Remote Wakeup
request which the 2.4 stack is discarding or responding to in a way that
causes the modem to shut down?

bash-2.05# lsusb -v -d 0681:0034

Bus 002 Device 005: ID 0681:0034 Siemens Information and Communication
Products Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            2 Communications
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0         8
  idVendor           0x0681 Siemens Information and Communication Products
  idProduct          0x0034
  bcdDevice            0.00
  iManufacturer           1 Siemens AG Wireless Modules
  iProduct                2 MC75
  iSerial                 0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 0
    bDescriptorType         0
    wTotalLength            0
    bNumInterfaces          0
    bConfigurationValue     0
    iConfiguration          0
    bmAttributes         0x00
    MaxPower                0mA 

Greg




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