dlink dwm221-B1 failed regression test - time out

[Dan Williams]

On Thu, 2017-04-20 at 21:02 +0200, Thomas Schäfer wrote:
> Hi,
> 
> 
> I checked the windows bahavior again.
> 
> The d-link-app is still ugly. The app makes only bad connections
> (IPv4-only 
> instead of IPv4/IPv6). Windows makes it better but only after the d-
> link-app 
> initializes the modem.

Any chance you can use Wireshark and usbpcap on Windows to sniff the
USB traffic so we can figure out what it's doing?

Dan

> Back to linux. The secret seems to be inside the windows app. After
> booting 
> from windows to linux qmi/modemmanager can control the modem without
> time 
> outs, also establishing a connection seems to be possible. But
> afterwards no 
> packet flows.
> There is also a linux-package at the dummy-cdrom. But this is worse
> than the 
> windows trouble. It is looking for usb-serial, gobi and other old
> modules. It 
> includes  an os-switch - only for some fedora and ubuntu-version and
> the best 
> is:
> It trys to disable ModemManager.
> 
> Regards,
> Thomas
> 
> 
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