We are using pppd program with gprs enabled modem for internet connectivity. It
is observed that the pppd program hangs intermittently, due to which pppd
program is terminated. Afterwards on restarting pppd, it reports "tcsetattr:
(line 971)" error. And further ppp connection is not possible unless TS-Board
is restarted.
It appears that pppd program blocks serial port ( "/dev/ttyAM0" ) and forced
termination of pppd by our data_upload program causes pppd to exit abruptly
without properly releasing the serial port.
Has anyone encountered this problem?
Please suggest if it is possible to clear this error and avoid restarting of
ts-board.
Thanks is advance,
--Yogesh.
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