Bug#384955: Nokia E70 as "PC suite" destabilises kernel

[Moritz Muehlenhoff <jmm@inutil.org>]

Hi,

On Wed, Dec 31, 2008 at 12:17:20PM +0200, Sam (Uli) Freed wrote:
> Now using Lenovo V200.
> 
> Connected as "pc suite" and got:
> 
> [1385043.445612] usb 4-1: new full speed USB device using uhci_hcd
> and address 10
> [1385043.631492] usb 4-1: configuration #1 chosen from 1 choice
> [1385043.649517] usb 4-1: New USB device found, idVendor=0421,
> idProduct=0418
> [1385043.649525] usb 4-1: New USB device strings: Mfr=1, Product=2,
> SerialNumber=0
> [1385043.649528] usb 4-1: Product: Nokia E70
> [1385043.649531] usb 4-1: Manufacturer: Nokia
> [1385044.245041] cdc_acm 4-1:1.12: ttyACM0: USB ACM device
> [1385044.246762] usbcore: registered new interface driver cdc_acm
> [1385044.246762] cdc_acm: v0.26:USB Abstract Control Model driver
> for USB modems and ISDN adapters
> [1385044.279844] usbcore: registered new interface driver cdc_ether
> [1385044.285053] usb 4-1: bad CDC descriptors
> [1385044.285053] usbcore: registered new interface driver rndis_host
> [1385044.325052] usb 4-1: bad CDC descriptors
> [1385044.325052] usbcore: registered new interface driver rndis_wlan
> 
> It does not destabilize the Kernel (so far...) but is does complain
> about "bad CDC descriptors" - so I guess it is not a non-bug yet.

(Sorry for the response. We're currently going through old bugs in
preparation of the upcoming Debian release.)

This appears as if the Nokia isn't fully CDC compliant. Does it
work with current kernels, which might have workarounds/quirks?

Cheers,
        Moritz