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3G Datacards and Linux
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synack
Joined: 06 Aug 2007
Posts: 4
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 Posted: Mon Jan 21, 2008 4:33 pm Post subject: strange behaviour on restart of ppp |
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Hi all,
I experiment a strange behaviour when I shut down ppp connection and try to restart it (with option fusion+ card)...
Sometimes the ppp daemon waits indefinitely for card response, and sometimes it receives a lot of strange characters (see later).
Do you have any idea about how to solve this problem?
For now, I have to reboot my machine, since, sometimes, if I "pccardctl eject" and reinsert the card, the pc freezes...
Regards,
Antonio Barbuzzi
Here the log for ppp:
| Code: | Jan 21 16:21:07 requiem pppd[4349]: Child process pppd (charshunt) (pid 4351) terminated with signal 15
Jan 21 16:21:07 requiem pppd[4349]: Modem hangup
Jan 21 16:21:07 requiem pppd[4349]: Connection terminated.
Jan 21 16:21:07 requiem pppd[4349]: Script /etc/ppp/ip-down finished (pid 5126), status = 0x0
Jan 21 16:21:07 requiem pppd[4349]: Exit.
Jan 21 17:16:23 requiem pppd[5152]: pppd 2.4.4 started by root, uid 0
Jan 21 17:16:24 requiem chat[5158]: abort on (BUSY)
Jan 21 17:16:24 requiem chat[5158]: abort on (NO CARRIER)
Jan 21 17:16:24 requiem chat[5158]: abort on (VOICE)
Jan 21 17:16:24 requiem chat[5158]: abort on (NO DIALTONE)
Jan 21 17:16:24 requiem chat[5158]: abort on (NO DIAL TONE)
Jan 21 17:16:24 requiem chat[5158]: abort on (NO ANSWER)
Jan 21 17:16:24 requiem chat[5158]: abort on (DELAYED)
Jan 21 17:16:24 requiem chat[5158]: send (ATZ^M)
Jan 21 17:16:25 requiem chat[5158]: expect (OK)
Jan 21 17:16:25 requiem chat[5158]: ~^?^C^@!E^@^@\^@^@@^@u^A7"Ukt^BT^T/{^H^@=IF"^@^H^QD ^Y.eQA)^SxXabZSNO^Zy^P*^C^KXXXXXXXXXXXXXXXXXXXXXXX
Jan 21 17:16:25 requiem chat[5158]: XXXXXXXXXXXXXXXXX^@~~^?^C^@!E^@^@\^@^@@^@u^A7"Ukt^BT^T/{^H^@^L^SF"^@^Ifx|^Y.eQA)^SxXabZSNO^Zy^P*^C^KXXX
Jan 21 17:16:25 requiem chat[5158]: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX'^N~~^?^C^@!E^@^@,^H5^@^@s^F^AQPYh\T^T/{^PK^E^Y^@^K^M^[^@^@^@^@`^B^P
Jan 21 17:16:25 requiem chat[5158]: ^@'z^@^@^B^D^E^P}^z~~^?^C^@!E^@^A^Tym^@^@n^QN^QZ^W%3T^T/{^R^^E^Z^A^@^_^S^D^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A
Jan 21 17:16:25 requiem chat[5158]: ^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A^A\I0Bk^N^A^A^A^A^A^A^Ap.B^A
Jan 21 17:16:25 requiem chat[5158]: p.B^P^P^P^P^P^P^P^Ph\I0B8^A^A^A^A1I1^XPb}5^A^A^A^EP^IeQh.dllhel32hkernQhounthickChGetTf9llQh32.dhw
Jan 21 17:16:25 requiem chat[5158]: s2_f9etQhsockf9toQhsend>^X^P.B^METP^?^VP^ME`P^MEpP^?^VP>^P^P.B^K^^^K^C=U^KlQt^E>^\^P.B^?^V^?P1IQQP^Aq^C^A
Jan 21 17:16:25 requiem chat[5158]: ^D^[^Aq^A^A^A^AQ^MELP^KE@P^?^Vj^Qj^Bj^B^?PP^MEDP^KE@P^?^V^IF^I[^As
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joke_dst
Joined: 10 Oct 2007
Posts: 19
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| Posted: Tue Jan 22, 2008 10:40 am Post subject: |
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Have you made sure the ppp interface is down before "pccardctl eject" (e.g. "ifconfig ppp0 down")?
And I've noticed the driver must fully unload the card before "pccardctl insert" is called, usually I just wait about 2 seconds (a "sleep 2" in my scripts makes it work). |
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synack
Joined: 06 Aug 2007
Posts: 4
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| Posted: Wed Jan 23, 2008 9:59 am Post subject: |
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I always wait a little time between pppd shutdown and pccardctl eject...
It seems that, even after pppd daemon is down, the card continues to receive packets (I think that the strange characters in the log file are due to packets received and to ppp connection not closed properly)... |
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