On Fri, 23 Sep 2005, Greg Lee wrote:

> 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?

No, that's not possible.

> 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 

This configuration descriptor is meaningless.  It looks like the device 
didn't send the data at all.  What do you see in /proc/bus/usb/devices?

Alan Stern



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