The following patch solves the problem for us. It works with all revisions we
have available for testing
Gerald
--- mm-plugin-sierra.c~ 2012-08-29 17:02:18.000000000 +0200
+++ mm-plugin-sierra.c 2013-03-01 13:22:09.000000000 +0100
@@ -78,6 +78,9 @@
if (strstr (response, "C885"))
g_object_set_data (G_OBJECT (task), TAG_SIERRA_APP_PPP_OK,
GUINT_TO_POINTER (TRUE));
+ if (strstr (response, "MC8790"))
+ g_object_set_data (G_OBJECT (task), TAG_SIERRA_APP_PPP_OK,
GUINT_TO_POINTER (TRUE));
+
/* For debugging: let users figure out if their device supports it or
not */
if (getenv ("MM_SIERRA_APP1_PPP_OK")) {
mm_dbg ("Sierra: APP1 PPP OK '%s'", response);
> -----Ursprüngliche Nachricht-----
> Von: networkmanager-list [mailto:networkmanager-list-
> [email protected]] Im Auftrag von Gerald Richter - ECOS
> Gesendet: Montag, 25. Februar 2013 13:10
> An: Dan Williams; Harald Jung
> Cc: Marius Kotsbak; [email protected]
> Betreff: AW: Problems with Sierra MC 8790 with older firmware revision
>
> Hi Dan,
>
> we have now tested with two MC8790 cards. One has work ever since with
> modem-manger, the other didn't (as Harald reported last week).
>
> From an usb point of view there is no difference (same product/vendor id
> etc.).
>
> The only difference is, that the card that isn't working reports Revision
> K1_0_3_0AP, while the one that is working reports K1_1_1_9AP.
>
> Running with
>
> MM_SIERRA_APP1_PPP_OK=1 /modem-manager --debug
>
> Both cards are working correctly and both use ttyUSB4 for pppd (while the
> one that worked before uses ttyUSB3 without that setting).
>
> So as far as we can test, it's safe to always use ttyUSB4 on MC8790.
>
> Could you please let us know how to tell modem-manager to always use this
> setting for MC8790
>
> Thanks & Regards
>
> Gerald
>
>
>
> > -----Ursprüngliche Nachricht-----
> > Von: Dan Williams [mailto:[email protected]]
> > Gesendet: Freitag, 22. Februar 2013 04:57
> > An: Harald Jung
> > Cc: Marius Kotsbak; [email protected]
> > Betreff: Re: Problems with Sierra MC 8790 after kernel upgrade to
> > 3.7.x
> >
> > On Thu, 2013-02-21 at 19:36 +0100, Harald Jung wrote:
> > > Hi,
> > >
> > > after a coldstart your hint worked.
> > > Is there a possibility to pass manage this by udev?
> > > modem-manager uses an enviroment variable and is triggered itself by
> > dbus.
> > > So it seems to be difficult in the first place.
> >
> > The environment variable is only there for testing. Once we have a
> > positive test, we can tell ModemManager that the 8790 is OK to do this for
> everyone.
> >
> > Dan
> >
> > >
> > > Harald
> > >
> > > Am 18.02.2013 12:24, schrieb Harald Jung:
> > > > the output looks a bit different but i wasn't able to establish a
> > > > connection :(
> > > >
> > > > modem-manager[6820]: <debug> [mm-manager.c:859]
> device_added():
> > > > (net/ppp0): could not get port's parent device
> > > > modem-manager[6820]: <debug> [mm-at-serial-port.c:334]
> debug_log():
> > > > (ttyUSB3): <-- '<CR><LF>+CIEV: 1,3<CR><LF>'
> > > > modem-manager[6820]: <debug> [mm-at-serial-port.c:334]
> debug_log():
> > > > (ttyUSB3): <-- '<CR><LF>+CIEV: 7,0<CR><LF>'
> > > > modem-manager[6820]: <debug> [mm-serial-port.c:697]
> > data_available():
> > > > (ttyUSB4) unexpected port hangup!
> > > >
> > > > Harald
> > > >
> > > > Am 15.02.2013 22:07, schrieb Dan Williams:
> > > >> On Fri, 2013-02-15 at 09:26 +0100, Harald Jung wrote:
> > > >>> I've cleaned up to log, because i have no access to the notebook
> > > >>> at the moment.
> > > >>> ipv6 should be deactived and is not activated in the config.
> > > >> Once you have access to the notebook again, can you stop MM the
> > > >> normal
> > > >> way:
> > > >>
> > > >> mv /usr/sbin/modem-manager /
> > > >> killall -TERM modem-manager
> > > >>
> > > >> and then run MM like this?
> > > >>
> > > >> MM_SIERRA_APP1_PPP_OK=1 /modem-manager --debug
> > > >>
> > > >> and attempt a connection? Older Sierra devices allow PPP on the
> > > >> APP1 port (ttyUSB4 on your device) but unfortunately we have to
> > > >> whitelist that. It's actually impossible to test which tty
> > > >> accepts PPP on most Sierra devices, so we really have no idea.
> > > >> For examply, my C885 and
> > > >> USB306 allow it, but none of my (four) 8775s or my 8781 allows it.
> > > >>
> > > >> Dan
> > > >>
> > > > _______________________________________________
> > > > networkmanager-list mailing list
> > > > [email protected]
> > > > https://mail.gnome.org/mailman/listinfo/networkmanager-list
> > >
> >
>
>
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