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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