The PPP mode don't works after I upgrade firmware from
'SWI9600M_01.00.09.03AP' to 'SWI9600M_03.05.10.09AP'. The QMI problem is
still there (Linux 3.9.3).

Thanks!


On Thu, May 23, 2013 at 1:42 AM, Bjørn Mork <[email protected]> wrote:

> Dan Williams <[email protected]> writes:
> > On Wed, 2013-05-22 at 14:58 +0200, Aleksander Morgado wrote:
> >> On 05/22/2013 01:42 PM, Heiher wrote:
> >> > It's connect to EVDO (China Telecom).
> >> >
> >> > Now, It works very well by legacy PPP mode (disable QMI, sudo modprobe
> >> > -r qmi-wwan). It's kernel bug?
> >> >
> >>
> >> Well, it should better work in QMI mode if possible. If the connection
> >> worked in LTE using QMI but you still were not able to ping any IP
> >> address, it may have been a known kernel issue.
> >
> > Yeah, I'll bet this is the kernel issue that Bjorn fixed to work around
> > various quirks that QMI has.
>
> Yes, could very well be.  The "DHCP works, but cannot ping" sounds just
> like the missing ethernet header problem.
>
> >  The patches are in the 3.9 kernel, and
> > have been backported to the stable 3.4.46 kernel as well.  I'm not sure
> > about the status for other "stable" kernel versions.
> >
> > The patches are:
> >
> > net: qmi_wwan: prevent duplicate mac address on link (firmware bug
> > workaround)
> > net: qmi_wwan: fixup destination address (firmware bug workaround)
> > net: qmi_wwan: fixup missing ethernet header (firmware bug workaround)
>
> They are currently in the v3.5 queue:
>
> http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=history;f=drivers/net/usb/qmi_wwan.c;hb=linux-3.5.y-queue
>
> Doesn't look like they are in the v3.8 longterm queue just yet, but I
> assume they will be.
>
>
> Bjørn
> _______________________________________________
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> https://mail.gnome.org/mailman/listinfo/networkmanager-list
>



-- 
Best regards!
Heiher
https://heiher.info
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