* ppp over serial problems in lk 4.0.x
@ 2015-05-14 0:30 Douglas Gilbert
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From: Douglas Gilbert @ 2015-05-14 0:30 UTC (permalink / raw)
To: linux-ppp
Since lk 4.0.0 came out running ppp connected to a serial
port (GPRS) has failed on my hardware (at91sam9g25 based ARM
system). It works in lk 3.19-rc4 which is the last kernel I
tried prior to lk 4.0.0 . The fix to ppp_generic.c in lk
4.0.2 did not help.
With older kernels I see:
...
chat[1760]: ATD*99***1#^M^M
chat[1760]: CONNECT
chat[1760]: -- got it
chat[1760]: send (^M)
pppd[1758]: Serial connection established.
pppd[1758]: Using interface ppp0
...
and about 5 ppp related modules loaded including ppp_async.
With lk 4.0.x the "Serial connection established" line never
appears and only the ppp_generic module is loaded.
I get the same results (i.e. depends on the kernel version)
with both an up to date Debian 7 (wheezy) and a freshly
minted Debian 8 (jessie) system.
Doug Gilbert
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