ModemManager create an abnormal CDMA bearer for the LTE modem

[Fangxiaozhi (Franko)]

Dear Aleksander:

	Yes, this patch can fix the issue.

	Please fix it into the master, thank you very much.


Best Regards,
Franko Fang
>-----Original Message-----
>From: Aleksander Morgado [mailto:aleksander at lanedo.com]
>Sent: Wednesday, September 04, 2013 2:31 PM
>To: Fangxiaozhi (Franko)
>Cc: Dan Williams; modemmanager-devel at lists.freedesktop.org; Wenping
>(Charles); Ben Chan
>Subject: Re: ModemManager create an abnormal CDMA bearer for the LTE
>modem
>
>On 04/09/13 04:03, Fangxiaozhi (Franko) wrote:
>> Dear Aleksander:
>>
>> 	This is the log with your patch.
>>
>> 	"usb0" is the net device of our modem.
>>
>
>Well, this is really weird; for some reason getting the udev tag specifying
>whether NDISDUP is supported doesn't always return the same result. We even
>create a whole new GUdevClient and do a fresh
>query_by_subsystem_and_name() each time we check it... With which modem
>is this? I'll try to reproduce it here.
>
>Anyway, please check with the attached workaround, which I think it's better
>anyway. With the attached patch we would only be querying NDISDUP support
>once when we first create the bearer. Let me know how it goes.
>
>
>> Best Regards,
>> Franko Fang
>>> -----Original Message-----
>>> From:
>>>
>modemmanager-devel-bounces+fangxiaozhi=huawei.com at lists.freedesktop.o
>>> modemmanager-devel-bounces+r
>>> g
>>>
>[mailto:modemmanager-devel-bounces+fangxiaozhi=huawei.com at lists.freed
>>> es ktop.org] On Behalf Of Aleksander Morgado
>>> Sent: Monday, September 02, 2013 3:45 PM
>>> To: Fangxiaozhi (Franko)
>>> Cc: Dan Williams; modemmanager-devel at lists.freedesktop.org; Wenping
>>> (Charles); Ben Chan
>>> Subject: Re: ModemManager create an abnormal CDMA bearer for the LTE
>>> modem
>>>
>>> Hey Franko,
>>>
>>> On 31/08/13 08:21, Fangxiaozhi (Franko) wrote:
>>>> 06.942838  ModemManager[5021]: <debug> This device can not support
>>>> ndisdup feature
>>>> 06.942865  ModemManager[5021]: <debug> ^NDISDUP not supported,
>>> creating default bearer...
>>>
>>> That's weird.
>>>
>>> Can you apply the following patch so that we can see which is the net
>>> port being used in every case? The
>"ID_MM_HUAWEI_NDISDUP_SUPPORTED"
>>> tag should always be available in the udev device, it doesn't make
>>> sense to have it sometimes available and sometimes not.
>>>
>>> --
>>> Aleksander
>
>
>--
>Aleksander