Hi Eric,
I have already chosen that. But it has the same result.
Br,
Herman
2009/11/5 Eric.Wang <ack0...@gmail.com>
> confirm your kernel menuconfig and try again
> (*) PPP support for async serial ports
> (*) PPP support for sync tty ports
>
> On Oct 21, 4:44 pm, Herman <hermanmao...@gmail.com> wrote:
> > Hi all,
> >
> > I try to enable data connection function through external modem. It can
> dial
> > but data connection failed. PPPD can't work well. In PPP daemon, it
> showed
> > "Couldn't set tty to PPP discipline: m". I used 2.6.26 kernel before, but
> > now I used 2.6.29 kernel. In kernel configuration, I have already enabled
> > "Device Drivers->Network device support->PPP support". They have same
> result
> > in io control "TIOCSETD", it seems that it can't set to data discipline.
> I
> > use USB to Serial converter interface, below is log of radio and pppd.
> Does
> > anyone have suggestions? Thanks.
> >
> > D/AT ( 606): AT> ATD*99***1#
> > D/AT ( 606): AT< ATD*99***1#
> > D/AT ( 606): AT< CONNECT 115200
> > D/RILJ ( 662): [0041]< SETUP_DEFAULT_PDP {1, ppp0}
> > D/GSM ( 662): [PdpConnection] PDP setup on cid = 1
> > I/pppd ( 806): Starting pppd
> > E/pppd ( 807): Couldn't set tty to PPP discipline: m
> > D/AT ( 606): AT< ~ }# !}!}!} }<}!}$}% }"}&} } } } }%}&} } }
> }}'}"}(}"}#}$ # U~
> >
> > D/AT ( 606): AT< OK
> > I/pppd ( 812): pppd exited with 1
> > I/pppd ( 816): Starting pppd
> > E/pppd ( 817): Couldn't set tty to PPP discipline: m
> > I/pppd ( 820): pppd exited with 1
> > I/pppd ( 824): Starting pppd
> > E/pppd ( 825): Couldn't set tty to PPP discipline: m
> > I/pppd ( 828): pppd exited with 1
> > I/pppd ( 832): Starting pppd
> > E/pppd ( 833): Couldn't set tty to PPP discipline: m
> > I/pppd ( 836): pppd exited with 1
> >
> > Best regards,
> > Herman
>
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