Sierra Wireless (Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card)

Bartosz Nitkiewicz bartosz at nitkiewicz.eu
Mon Jul 13 11:37:16 PDT 2015


No. There is /dev/cdc-wdm0 on boot, but after a while it disappears.


2015-07-13 19:57 GMT+02:00 Dan Williams <dcbw at redhat.com>:

> On Mon, 2015-07-13 at 19:46 +0200, Bartosz Nitkiewicz wrote:
> > Ok. I have almost working modem. It won't register to network. Power
> state
> > is always on:
> >
> > /org/freedesktop/ModemManager1/Modem/0 (device id
> > '1ae86b07c8ac5ac1ce60dfa8021538c140b92646')
> >   -------------------------
> >   Hardware |   manufacturer: 'Sierra Wireless, Incorporated'
> >            |          model: 'MC8805'
> >            |       revision: 'SWI9X15C_05.05.47.00 r24787 carmd-fwbuild1
> > 2014/09/25 08:39:40'
> >            |      supported: 'gsm-umts, lte'
> >            |        current: 'gsm-umts, lte'
> >            |   equipment id: '355605050324851'
> >   -------------------------
> >   System   |         device:
> '/sys/devices/pci0000:00/0000:00:14.0/usb2/2-7'
> >            |        drivers: 'qcserial'
> >            |         plugin: 'Gobi'
> >            |   primary port: 'ttyUSB2'
> >            |          ports: 'ttyUSB0 (qcdm), ttyUSB2 (at)'
>
> This shows that the modem isn't actually using QMI, but the very, very
> limited AT-based "Gobi" plugin.  I doubt that would really work...  Do
> you have a /dev/cdc-wdm0 device at all?
>
> Dan
>
> >   -------------------------
> >   Numbers  |           own : '+48666459757'
> >   -------------------------
> >   Status   |           lock: 'none'
> >            | unlock retries: 'unknown'
> >            |          state: 'enabled'
> >            |    power state: 'on'
> >            |    access tech: 'unknown'
> >            | signal quality: '0' (cached)
> >   -------------------------
> >   Modes    |      supported: 'allowed: 2g, 3g, 4g; preferred: none'
> >            |        current: 'allowed: 2g, 3g, 4g; preferred: none'
> >   -------------------------
> >   Bands    |      supported: 'unknown'
> >            |        current: 'unknown'
> >   -------------------------
> >   IP       |      supported: 'ipv4, ipv6, ipv4v6'
> >   -------------------------
> >   3GPP     |           imei: '355605050324851'
> >            |  enabled locks: 'none'
> >            |    operator id: 'unknown'
> >            |  operator name: 'unknown'
> >            |   subscription: 'unknown'
> >            |   registration: 'idle'
> >   -------------------------
> >   SIM      |           path: '/org/freedesktop/ModemManager1/SIM/0'
> >
> >   -------------------------
> >   Bearers  |          paths: 'none'
> >
> > When I try to;
> > mmcli -m 0 --simple-connect="apn=intenet"
> >
> > I have error: couldn't connect the modem: 'Timeout was reached'
> >
> > Any hint
> >
> > 2015-07-11 20:16 GMT+02:00 Bjørn Mork <bjorn at mork.no>:
> >
> > > I'm semi-offline at the moment, having only occasional gsm edge
> access...
> > > And I see that the post I was thinking of only contains the least
> > > interesting part of the equation.  It is focused on the (for me) new
> and
> > > exciting usb comp qmi messages.
> > >
> > > I do have more details on my laptop, but I won't have access to that
> for a
> > > few weeks.
> > >
> > > Anyway, here is a start (with a non obvious subject):
> > > lists.freedesktop.org/archives/libqmi-devel/2015-February/001104.html
> > >
> > > Using the mbim service mentioned there to send the qmi fcc message
> > > Aleksander has documented in libqmi should make this modem work in mbim
> > > mode too.
> > >
> > > You might have more success than me googling.
> > >
> > >
> > > Bjørn
> > >
> > > On July 11, 2015 6:31:06 PM CEST, Bartosz Nitkiewicz <
> > > bartosz at nitkiewicz.eu> wrote:
> > > >Very interesting. Could you paste a link? I don't know where to find
> > > >it.
> > > >This modem is very problematic. Working fine but after reboot not
> > > >working
> > > >at all. Another reboot and once again mm could "see" it...
> > > >10 lip 2015 7:40 PM "Bjørn Mork" <bjorn at mork.no> napisał(a):
> > > >
> > > >> I'm pretty sure the fcc thing is possible with qmi embedded in mbim.
> > > >See
> > > >> my recent experments with the usb comp commands.
> > > >>
> > > >> Testing it is pretty straight forward, since you only append your
> > > >prepared
> > > >> qmi messages to mbim. Or seeing it the other way:prepend an mbim
> > > >header to
> > > >> qmi messages.
> > > >>
> > > >> It would be interesting to know whether this is the method used by
> > > >> windows, or if there is some more direct mbim service/cid for this.
> > > >So if
> > > >> anyone can snoop..
> > > >>
> > > >>
> > > >>
> > > >> Bjørn
> > > >>
> > > >> On July 10, 2015 6:00:05 PM CEST, Aleksander Morgado <
> > > >> aleksander at aleksander.es> wrote:
> > > >> >On Fri, Jul 10, 2015 at 11:28 AM, Bartosz Nitkiewicz
> > > >> ><bartosz at nitkiewicz.eu> wrote:
> > > >> >> I have problem with my modem. It can't connect or enable.
> > > >> >>
> > > >> >>  mmcli -m 0
> > > >> >>
> > > >> >> /org/freedesktop/ModemManager1/Modem/0 (device id
> > > >> >> '5c7d03243a4f66003876aab95834e2bbb9ca67ca')
> > > >> >>   -------------------------
> > > >> >>   Hardware |   manufacturer: 'Dell'
> > > >> >>            |          model: 'MBIM [413C:81A3]'
> > > >> >>            |       revision: 'SWI9X15C_05.05.47.00'
> > > >> >>            |      supported: 'gsm-umts'
> > > >> >>            |        current: 'gsm-umts'
> > > >> >>            |   equipment id: '355605050324851'
> > > >> >>   -------------------------
> > > >> >>   System   |         device:
> > > >> >'/sys/devices/pci0000:00/0000:00:14.0/usb2/2-7'
> > > >> >>            |        drivers: 'cdc_mbim'
> > > >> >>            |         plugin: 'Dell'
> > > >> >>            |   primary port: 'cdc-wdm1'
> > > >> >>            |          ports: 'wwp0s20u7c2i12 (net), cdc-wdm1
> > > >(mbim)'
> > > >> >>   -------------------------
> > > >> >>   Numbers  |           own : '48666459757'
> > > >> >>   -------------------------
> > > >> >>   Status   |           lock: 'none'
> > > >> >>            | unlock retries: 'sim-pin2 (3)'
> > > >> >>            |          state: 'disabled'
> > > >> >>            |    power state: 'low'
> > > >> >>            |    access tech: 'unknown'
> > > >> >>            | signal quality: '0' (cached)
> > > >> >>   -------------------------
> > > >> >>   Modes    |      supported: 'allowed: 2g, 3g; preferred: none'
> > > >> >>            |        current: 'allowed: 2g, 3g; preferred: none'
> > > >> >>   -------------------------
> > > >> >>   Bands    |      supported: 'unknown'
> > > >> >>            |        current: 'unknown'
> > > >> >>   -------------------------
> > > >> >>   IP       |      supported: 'ipv4, ipv6, ipv4v6'
> > > >> >>   -------------------------
> > > >> >>   3GPP     |           imei: '355605050324851'
> > > >> >>            |  enabled locks: 'fixed-dialing'
> > > >> >>            |    operator id: 'unknown'
> > > >> >>            |  operator name: 'unknown'
> > > >> >>            |   subscription: 'unknown'
> > > >> >>            |   registration: 'unknown'
> > > >> >>   -------------------------
> > > >> >>   SIM      |           path:
> > > >'/org/freedesktop/ModemManager1/SIM/0'
> > > >> >>
> > > >> >>   -------------------------
> > > >> >>   Bearers  |          paths: 'none'
> > > >> >>
> > > >> >>
> > > >> >>
> > > >> >>  mmcli -m 0 --enable
> > > >> >> error: couldn't enable the modem:
> > > >> >> 'GDBus.Error:org.freedesktop.libmbim.Error.Status.Failure:
> > > >Failure'
> > > >> >>
> > > >> >> I found this
> > > >> >>
> > > >> >
> > > >>
> > > >
> > >
> https://sigquit.wordpress.com/2015/02/09/dell-branded-sierra-wireless-3g4g-modem-not-online/
> > > >> >> They said that it should be set to Mode: online. I can't do
> > > >anything
> > > >> >with it
> > > >> >> while modemmanager deamon is started. When I manualy stop it I
> > > >get:
> > > >> >>
> > > >> >> sudo qmicli -d /dev/cdc-wdm1 --dms-get-operating-mode
> > > >> >> [10 Jul 2015, 11:27:27] -Warning ** [/dev/cdc-wdm1] QMI framing
> > > >error
> > > >> >> detected
> > > >> >> error: couldn't create client for the 'dms' service: CID
> > > >allocation
> > > >> >failed
> > > >> >> in the CTL client: Transaction timed out
> > > >> >
> > > >> >Your modem is using MBIM, not QMI, so you won't be able to use
> > > >qmicli.
> > > >> >I don't know yet how to do the FCC auth thing in MBIM; maybe it's
> > > >> >possible through QMI embedded in MBIM but didn't really test that
> > > >yet.
> > > >> >You could try to use usb_modeswitch to select USB configuration #1
> > > >in
> > > >> >the device, which should be QMI.
> > > >> >
> > > >> >--
> > > >> >Aleksander
> > > >> >https://aleksander.es
> > > >> >_______________________________________________
> > > >> >ModemManager-devel mailing list
> > > >> >ModemManager-devel at lists.freedesktop.org
> > > >> >http://lists.freedesktop.org/mailman/listinfo/modemmanager-devel
> > > >>
> > > >>
> > >
> > >
> >
> >
> > _______________________________________________
> > ModemManager-devel mailing list
> > ModemManager-devel at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/modemmanager-devel
>
>
>


-- 
Bartosz Nitkiewicz
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