Re:Re: Re:Re: about ppp0 and Networkmanager
- From: "tommy.hong" <hongjiujing 126 com>
- To: "Dan Williams" <dcbw redhat com>
- Cc: networkmanager-list <networkmanager-list gnome org>
- Subject: Re:Re: Re:Re: about ppp0 and Networkmanager
- Date: Wed, 23 Sep 2009 09:54:01 +0800 (CST)
hi,dan!thank for your reply!
I have found what's wrong with my evdo card!
Because i use /dev/ttyUSB1 (modem port),evdo card's engineer say there is something wrong with it for H/W,they are looking for the bug!
I use other one(China,TDSCDMA,datang company produce),it is ok when reconnect !
在2009-09-23 08:26:11，"Dan Williams" <dcbw redhat com> 写道：
>On Sun, 2009-09-20 at 23:41 +0800, tommy.hong wrote:
>> hi,dan!i have tested nm0.7.1 in my ARM11 board,use usbserial driver,it
>> probe 3g modem and can connect 3G network successfully!
>> But it connect successfully the first time ,init modem timeout the
>> next time ,unless reinsert 3g wirless card and intilialize !
>> I have found that it caused by havn't ATH before reconnect!
>Could be the case, yeah. So to fix that, we want to pass the reason
>code to nm_device_deactivate_quickly() from nm_device_deactivate() and
>let the subclasses handle it appropriately. We do this so that we can
>distinguish between a manual disconnection, and an unplug. On unplug,
>we can't try to talk to the modem because it's not there anymore. We
>can use the reason code to detect that, it will be
>NM_DEVICE_STATE_REASON_REMOVED when the device was unplugged.
>If it's not NM_DEVICE_STATE_REASON_REMOVED, then we can flash the device
>to bring it into command mode, and issue the ATH, then continue.
>Any chance you could try to create that patch? Let me know if you have
>> 在2009-09-20 22:36:32，"Dan Williams" <dcbw redhat com> 写道：
>> >On Thu, 2009-09-10 at 17:32 +0800, tommy tommy wrote:
>> >> hi,Dear Dan!
>> >> Now i met a problem with usb evdo card!
>> >> When i insmod usbserial with vendor id and product id,pppd connect OK
>> >> with ttyUSB1 and can access internet with ppp0!
>> >> But I want to use Networkmanager with ppp,because ppp0 isn't a
>> >> standard platform device ,it is kernel virtual net
>> >> (/sys/device/virtual/net/ppp0),causes HAL can't know it is a real
>> >> network,Networkmanager depend on HAL!
>> >> Serveral days ago i have fix marvell8686 driver kernel hotplug
>> >> bug,does usbserial driver miss similiar issue ?
>> >NM 0.7.1 and later probe modems dynamically to figure out their
>> >capabilities. But it doesn't probe devices driven by 'usbserial' since
>> >they are not generally supposed to be 3G modems.
>> >Your 3G modem USB ids should be added to 'option' (for Option, ZTE,
>> >Huawei, Novatel, etc devices) or 'sierra' (for Sierra devices), because
>> >those drivers enable the high-speed communication that 3G devices are
>> >used for.
>> >usbserial is not built for high-speed communication and thus your
>> >transfer rates will be quite limited. If you add your modems IDs to a
>> >known mobile broadband driver (like 'option') it should get picked up by
>> >> Thanks all!
>> >> Platform :ARM11
>> >> Linux kernel version:184.108.40.206
>> >> Tommy China
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