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Re: [pptp-devel] pptp connection dies in pptp-linux_1.9.* Works fine in pptp-linux_1.8.0-1
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From: dz <dz...@gm...> - 2018-09-21 22:21:06
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Thank you. Last option seems to be most certain to localize the reason. Staying at 1.8.0 until I learn how to use git bisect. Regards, Dmitry ------ Wiadomość oryginalna ------ Od: "James Cameron" <qu...@la...> Do: ppt...@li... Data: 21.09.2018 23:47:32 Temat: Re: [pptp-devel] pptp connection dies in pptp-linux_1.9.* Works fine in pptp-linux_1.8.0-1 >You could either; > >1. upgrade to 1.10.0 which was released in January, although none of >the patches between 1.9.0 and 1.10.0 seem to me to be related to your >problem, > >2. check what the Debian or Ubuntu developers changed in the package, >and remove those changes, or; > >4. use git bisect to find which patch introduced the problem between >1.8.0 and 1.9.0. > >On Fri, Sep 21, 2018 at 09:20:47PM +0000, dz wrote: >>Hello, >> >>Adding --missing-window 300 to pptp command does not solve the issue >>in >>v.1.9.0+ds-2. >>Still the connection stalls after a burst of 'discarding duplicate >>packet' >>warnings: >>--- >>Sep 21 22:36:34 dz-test pptp[1620]: anon >>warn[pqueue_add:pqueue.c:151]: >>discarding duplicate packet 166186 >>Sep 21 22:36:34 dz-test pptp[1620]: anon >>warn[pqueue_add:pqueue.c:151]: >>discarding duplicate packet 166188 >>Sep 21 22:36:34 dz-test pptp[1620]: anon >>warn[pqueue_add:pqueue.c:151]: >>discarding duplicate packet 166189 >>... >>Sep 21 22:36:36 dz-test pptp[1620]: anon >>warn[pqueue_add:pqueue.c:151]: >>discarding duplicate packet 166295 >>Sep 21 22:36:36 dz-test pptp[1620]: anon >>warn[pqueue_add:pqueue.c:151]: >>discarding duplicate packet 166296 >>Sep 21 22:36:36 dz-test pptp[1620]: anon >>warn[pqueue_add:pqueue.c:151]: >>discarding duplicate packet 166297 >>Sep 21 22:36:36 dz-test pptp[1620]: anon >>warn[pqueue_add:pqueue.c:151]: >>discarding duplicate packet 166298 >>--- >>Should I try anything else? >> >>Regards, Dmitry >> >>------ Wiadomość oryginalna ------ >>Od: "James Cameron" <qu...@la...> >>Do: "dz" <dz...@gm...> >>DW: ppt...@li... >>Data: 21.09.2018 02:35:12 >>Temat: Re: [pptp-devel] pptp connection dies in pptp-linux_1.9.* Works >>fine >>in pptp-linux_1.8.0-1 >> >> >It's an option for pptp, not an option for pppd. >> > >> >On Thu, Sep 20, 2018 at 10:20:55PM +0000, dz wrote: >> >>Thanks for your prompt reply! >> >>However default Ubuntu 18.04 pptp-linux v.1.9.0+ds-2 does not seem >>to >> >>recognize the option: >> >>--- >> >>pon provider --missing-window 300 >> >>/usr/sbin/pppd: unrecognized option '--missing-window' >> >>pppd version 2.4.7 >> >>Usage: /usr/sbin/pppd [ options ], where options are: >> >> <device> Communicate over the named device >> >> <speed> Set the baud rate to <speed> >> >> <loc>:<rem> Set the local and/or remote interface IP >> >> addresses. Either one may be omitted. >> >> asyncmap <n> Set the desired async map to hex <n> >> >> auth Require authentication from peer >> >> connect <p> Invoke shell command <p> to set up the serial >>line >> >> crtscts Use hardware RTS/CTS flow control >> >> defaultroute Add default route through interface >> >> file <f> Take options from file <f> >> >> modem Use modem control lines >> >> mru <n> Set MRU value to <n> for negotiation >> >>See pppd(8) for more options. >> >>--- >> >>Should a version of the package understanding the option be >>installed >> >>from a >> >>specific location other than default Ubuntu 18.04 repository? >> >> >> >>------ Wiadomość oryginalna ------ >> >>Od: "James Cameron" <qu...@la...> >> >>Do: "dz" <dz...@gm...> >> >>DW: ppt...@li... >> >>Data: 21.09.2018 00:05:36 >> >>Temat: Re: [pptp-devel] pptp connection dies in pptp-linux_1.9.* >>Works >> >>fine >> >>in pptp-linux_1.8.0-1 >> >> >> >>>Your network environment is probably unusual, with duplicate or >> >>>dropped packets. >> >>> >> >>>Please try adding --missing-window 300 to the pptp command. >> >>> >> >>>That was the default in 1.8.0, and it was disabled in 1.9.0. >> >>> >> >>>On Thu, Sep 20, 2018 at 07:10:50PM +0000, dz wrote: >> >>>>Dear developers, >> >>>> >> >>>>After upgrading Ubuntu and hence pptp-linux package to version >> >>>>1.9.0+ds-2 my >> >>>>connection to an Asus home router-based pptp server dies after >>some >> >>>>minutes >> >>>>of active usage throwing in syslog a burst of dozens of messages >> >>>>"pptp[1320]: anon warn[pqueue_add:pqueue.c:151]: discarding >>duplicate >> >>>>packet >> >>>>nnnnn". >> >>>>The connection is still on and ppp0 is shown among interfaces but >>no >> >>>>data >> >>>>goes through. Disconnecting and re-connecting resolves the issue >>just >> >>>>for >> >>>>few minutes of active use. >> >>>>Uninstalling 1.9.0+ds-2 version of pptp-linux and installing >>instead >> >>>>pptp-linux_1.8.0-1_amd64.deb fixes the issue. Occasional single >> >>messages >> >>>>"discarding duplicate packet yyyyy" appear in the log with no >>impact >> >>to >> >>>>the >> >>>>connection. It stays on and works stable for days. >> >>>>The problem is repeatable. I have installed a fresh formatted test >> >>>>system >> >>>>with ubuntu-18.04.1-server-amd64 OS and pptp-linux v.1.9.0+ds-2 >>and >> >>the >> >>>>problem was there at once. Downgrading to >> >>>>pptp-linux_1.9.0+ds-1_amd64.deb >> >>>>does not solve the issue. Downgrading to v.1.8.0-1 does solve it >>at >> >>>>once. >> >>>>Providing a relevant fragment of syslog for the reference: >> >>>>--- >> >>>>Sep 19 23:12:18 dz-test pptp[1320]: anon >> >>warn[pqueue_add:pqueue.c:151]: >> >>>>discarding duplicate packet 58793 >> >>>>Sep 19 23:12:18 dz-test pptp[1320]: anon >> >>warn[pqueue_add:pqueue.c:151]: >> >>>>discarding duplicate packet 58797 >> >>>>Sep 19 23:12:18 dz-test pptp[1320]: anon >> >>warn[pqueue_add:pqueue.c:151]: >> >>>>discarding duplicate packet 58839 >> >>>>Sep 19 23:12:18 dz-test pptp[1320]: anon >> >>warn[pqueue_add:pqueue.c:151]: >> >>>>discarding duplicate packet 58840 >> >>>>Sep 19 23:12:18 dz-test pptp[1320]: anon >> >>warn[pqueue_add:pqueue.c:151]: >> >>>>discarding duplicate packet 58841 >> >>>>Sep 19 23:12:18 dz-test pptp[1320]: anon >> >>warn[pqueue_add:pqueue.c:151]: >> >>>>discarding duplicate packet 58842 >> >>>>... >> >>>>Sep 19 23:12:18 dz-test pptp[1320]: anon >> >>warn[pqueue_add:pqueue.c:151]: >> >>>>discarding duplicate packet 58884 >> >>>>Sep 19 23:12:19 dz-test pptp[1320]: anon >> >>warn[pqueue_add:pqueue.c:151]: >> >>>>discarding duplicate packet 58885 >> >>>>... >> >>>>Sep 19 23:12:19 dz-test pptp[1320]: anon >> >>warn[pqueue_add:pqueue.c:151]: >> >>>>discarding duplicate packet 58906 >> >>>>Sep 19 23:12:19 dz-test pptp[1320]: anon >> >>warn[pqueue_add:pqueue.c:151]: >> >>>>discarding duplicate packet 58907 >> >>>>Sep 19 23:12:19 dz-test pptp[1320]: anon >> >>warn[pqueue_add:pqueue.c:151]: >> >>>>discarding duplicate packet 58908 >> >>>>Sep 19 23:12:19 dz-test pptp[1320]: anon >> >>warn[pqueue_add:pqueue.c:151]: >> >>>>discarding duplicate packet 58909 >> >>>>Sep 19 23:12:19 dz-test pptp[1320]: anon >> >>warn[pqueue_add:pqueue.c:151]: >> >>>>discarding duplicate packet 58910 >> >>>>--- >> >>>>After the last line the connection became unusable. >> >>>>I could provide more information if needed. >> >>>>Please help to investigate the issue and possibly to resolve it in >>the >> >>>>next >> >>>>version of pptp-linux package. >> >>>> >> >>>>With best regards, Dmitry >> >>>> >> >>>> >> >>>> >> >>>>_______________________________________________ >> >>>>pptpclient-devel mailing list >> >>>>ppt...@li... >> >>>>https://lists.sourceforge.net/lists/listinfo/pptpclient-devel >> >>> >> >>>-- >> >>>James Cameron >> >>>http://quozl.netrek.org/ >> >> >> > >> >-- >> >James Cameron >> >http://quozl.netrek.org/ >> > >-- >James Cameron >http://quozl.netrek.org/ > > >_______________________________________________ >pptpclient-devel mailing list >ppt...@li... >https://lists.sourceforge.net/lists/listinfo/pptpclient-devel |
