DeADMoroZ
Так debug kppp само включило
А какой лог смотреть, у меня в /root/pppd.log выглядит так
Serial connection established.
using channel 4
Using interface ppp0
Connect: ppp0 <--> /dev/modem
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x2d3a90df> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x2d3a90df> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x2d3a90df> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x4 <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfNak id=0x4 <auth pap>]
rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x2d3a90df> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x5 <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfNak id=0x5 <auth pap>]
rcvd [LCP ConfReq id=0x6 <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfNak id=0x6 <auth pap>]
rcvd [LCP ConfReq id=0x7 <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfNak id=0x7 <auth pap>]
rcvd [LCP ConfReq id=0x8 <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfNak id=0x8 <auth pap>]
rcvd [LCP ConfReq id=0x9 <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfRej id=0x9 <auth chap MD5>]
rcvd [LCP ConfReq id=0xa <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfRej id=0xa <auth chap MD5>]
rcvd [LCP ConfReq id=0xb <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfRej id=0xb <auth chap MD5>]
rcvd [LCP ConfReq id=0xc <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfRej id=0xc <auth chap MD5>]
rcvd [LCP ConfReq id=0xd <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfRej id=0xd <auth chap MD5>]
rcvd [LCP ConfReq id=0xe <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfRej id=0xe <auth chap MD5>]
rcvd [LCP ConfReq id=0xf <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfRej id=0xf <auth chap MD5>]
rcvd [LCP ConfReq id=0x10 <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfRej id=0x10 <auth chap MD5>]
rcvd [LCP ConfReq id=0x11 <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfRej id=0x11 <auth chap MD5>]
rcvd [LCP ConfReq id=0x12 <asyncmap 0xa0000> <auth chap MD5> <magic 0x311d67f5> <pcomp> <accomp>]
sent [LCP ConfRej id=0x12 <auth chap MD5>]
rcvd [LCP TermReq id=0x13]
sent [LCP TermAck id=0x13]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x2d3a90df> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x2d3a90df> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x2d3a90df> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x2d3a90df> <pcomp> <accomp>]
Hangup (SIGHUP)
sent [LCP TermReq id=0x2 "User request"]
sent [LCP TermReq id=0x3 "User request"]
Connection terminated.
tcflush failed: Input/output error
Modem hangup
а в var/log/ppp-conect-errors вот так
--> WvDial: Internet dialer version 1.54.0
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATM0
ATM0
OK
--> Modem initialized.
--> Configuration does not specify a valid password.
--> WvDial: Internet dialer version 1.54.0
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATM0
ATM0
OK
--> Modem initialized.
--> Configuration does not specify a valid password.
--> WvDial: Internet dialer version 1.54.0
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATM0
ATM0
OK
--> Modem initialized.
--> Configuration does not specify a valid password.
--> WvDial: Internet dialer version 1.54.0
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATM0
ATM0
OK
--> Modem initialized.
--> Configuration does not specify a valid password.
--> WvDial: Internet dialer version 1.54.0
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATM0
ATM0
OK
--> Modem initialized.
--> Configuration does not specify a valid password.
--> WvDial: Internet dialer version 1.54.0
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATM0
ATM0
OK
--> Modem initialized.
--> Configuration does not specify a valid password.