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Re: connman wifi disconnect problem (Daniel Wagner) ---------------------------------------------------------------------- Date: Mon, 5 Oct 2020 08:57:47 -0500 From: KeithG <ys3al...@gmail.com> Subject: Re: connman wifi disconnect problem To: Daniel Wagner <w...@monom.org> Cc: "connman@lists.01.org" <connman@lists.01.org> Message-ID: <CAG17S_Nm8Vf2kn_t4fqFe5+SZ7mxds9Q2Whx=fwe0wntlxg...@mail.gmail.com> Content-Type: multipart/alternative; boundary="000000000000a9299405b0ecde2e" --000000000000a9299405b0ecde2e Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, Oct 5, 2020 at 1:33 AM Daniel Wagner <w...@monom.org> wrote: > On Sat, Oct 03, 2020 at 05:00:17PM -0500, KeithG wrote: > > I read through the code a bit more closely and it appears that the > > BackgroundScanning is just for wifi. Do I have this correct? > > Correct. > > > If so, why > > does connman continually make the unused eth0 interface go up and down > and > > spam the log with messages that it made it go up and down? > > I am pretty sure this is not ConnMan's doing. > > > It appears that > > it does this every 15 minutes. This happens whether or not the 'single > > connected technology' is selected or not. I would think that if a singl= e > > connected technology was selected and it was connected on the wifi that > it > > would be quiet and ignore the other interfaces until it lost a connecti= on > > on the wifi... > > Do you have any other network related daemons running? > > Thanks, > Daniel > To answer your questions: I do not believe that I have any other network daemons loaded or running on either the laptops or the RPis. I have uninstalled wpa_supplicant on all platforms and have disabled systemd-networkd and dhcpcd. In addition, on the laptop, I disabled NetworkManager as I am running Gnome and I was unable to remove it without removing a bunch of other stuff I need. # systemctl status systemd-networkd =E2=97=8F systemd-networkd.service - Network Service Loaded: loaded (/usr/lib/systemd/system/systemd-networkd.service; disabled; vendor preset: enabled) Active: inactive (dead) Docs: man:systemd-networkd.service(8) Since I do not have wpa_supplicant installed, I find it strange that the only way I was able to get any of these devices to scan and reconnect when the SSID went away and returned was to have 'BackgroundScanning=3Dtrue'. If this was left as default (commented out), I can see on both monitor-iwd and monitor-connman that the interface goes away and the computer just sits there and does nothing. Never rescans. Same on the RPIs and Laptop. I let it sit for 30 minutes and nothing ever happens. As soon as I made this one edit and restarted connman, if I reboot the router, it will reconnect almost immediately. As for the eth0 up and down, it looks like it is being controlled by connman. At least journalctl thinks so: Oct 05 08:18:53 rune64 connmand[4313]: eth0 {update} flags 36866 <DOWN> Oct 05 08:18:53 rune64 connmand[4313]: eth0 {newlink} index 3 address B8:27:EB:07:99:85 mtu 1500 Oct 05 08:18:53 rune64 connmand[4313]: eth0 {newlink} index 3 operstate 2 <DOWN> Oct 05 08:18:53 rune64 connmand[4313]: eth0 {update} flags 36867 <UP> Oct 05 08:18:53 rune64 connmand[4313]: eth0 {newlink} index 3 address B8:27:EB:07:99:85 mtu 1500 Oct 05 08:18:53 rune64 connmand[4313]: eth0 {newlink} index 3 operstate 2 <DOWN> Oct 05 08:34:20 rune64 connmand[4313]: eth0 {update} flags 36866 <DOWN> Oct 05 08:34:20 rune64 connmand[4313]: eth0 {newlink} index 3 address B8:27:EB:07:99:85 mtu 1500 Oct 05 08:34:20 rune64 connmand[4313]: eth0 {newlink} index 3 operstate 2 <DOWN> Oct 05 08:34:20 rune64 connmand[4313]: eth0 {update} flags 36867 <UP> Oct 05 08:34:20 rune64 connmand[4313]: eth0 {newlink} index 3 address B8:27:EB:07:99:85 mtu 1500 Oct 05 08:34:20 rune64 connmand[4313]: eth0 {newlink} index 3 operstate 2 <DOWN> Spams the log with this. --000000000000a9299405b0ecde2e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail= _attr">On Mon, Oct 5, 2020 at 1:33 AM Daniel Wagner <<a href=3D"mailto:w= a...@monom.org" target=3D"_blank">w...@monom.org</a>> wrote:<br></div><bl= ockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-lef= t:1px solid rgb(204,204,204);padding-left:1ex">On Sat, Oct 03, 2020 at 05:0= 0:17PM -0500, KeithG wrote:<br> > I read through the code a bit more closely and it appears that the<br> > BackgroundScanning is just for wifi. Do I have this correct?<br> <br> Correct.<br> <br> > If so, why<br> > does connman continually make the unused eth0 interface go up and down= and<br> > spam the log with messages that it made it go up and down?<br> <br> I am pretty sure this is not ConnMan's doing.<br> <br> > It appears that<br> > it does this every 15 minutes. This happens whether or not the 'si= ngle<br> > connected technology' is selected or not. I would think that if a = single<br> > connected technology was selected and it was connected on the wifi tha= t it<br> > would be quiet and ignore the other interfaces until it lost a connect= ion<br> > on the wifi...<br> <br> Do you have any other network related daemons running?<br> <br> Thanks,<br> Daniel<br></blockquote><div><br></div><div> <div>To answer your questions:</div><div><br></div><div>I do not believe th= at I have any other network daemons loaded or running on either the laptops= or the RPis. I have uninstalled wpa_supplicant on all platforms and have d= isabled systemd-networkd and dhcpcd. In addition, on the laptop, I disabled= NetworkManager as I am running Gnome and I was unable to remove it without= removing a bunch of other stuff I need.</div><div><br></div><div># systemc= tl status systemd-networkd<br>=E2=97=8F systemd-networkd.service - Network = Service<br>=C2=A0 =C2=A0 =C2=A0Loaded: loaded (/usr/lib/systemd/system/syst= emd-networkd.service; disabled; vendor preset: enabled)<br>=C2=A0 =C2=A0 = =C2=A0Active: inactive (dead)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0Docs: man:syste= md-networkd.service(8)<br></div><div><br></div><div>Since I do not have wpa= _supplicant installed, I find it strange that the only way I was able to ge= t any of these devices to scan and reconnect when the SSID went away and re= turned was to have 'BackgroundScanning=3Dtrue'. If this was left as= default (commented out), I can see on both monitor-iwd and monitor-connman= that the interface goes away and the computer just sits there and does not= hing. Never rescans. Same on the RPIs and Laptop. I let it sit for 30 minut= es and nothing ever happens. As soon as I made this one edit and restarted = connman, if I reboot the router, it will reconnect almost immediately.</div= ><div><br></div><div>As for the eth0 up and down, it looks like it is being= controlled by connman. At least journalctl thinks so:</div><div><br></div>= <div>Oct 05 08:18:53 rune64 connmand[4313]: eth0 {update} flags 36866 <D= OWN><br>Oct 05 08:18:53 rune64 connmand[4313]: eth0 {newlink} index 3 ad= dress B8:27:EB:07:99:85 mtu 1500<br>Oct 05 08:18:53 rune64 connmand[4313]: = eth0 {newlink} index 3 operstate 2 <DOWN><br>Oct 05 08:18:53 rune64 c= onnmand[4313]: eth0 {update} flags 36867 <UP><br>Oct 05 08:18:53 rune= 64 connmand[4313]: eth0 {newlink} index 3 address B8:27:EB:07:99:85 mtu 150= 0<br>Oct 05 08:18:53 rune64 connmand[4313]: eth0 {newlink} index 3 operstat= e 2 <DOWN><br>Oct 05 08:34:20 rune64 connmand[4313]: eth0 {update} fl= ags 36866 <DOWN><br>Oct 05 08:34:20 rune64 connmand[4313]: eth0 {newl= ink} index 3 address B8:27:EB:07:99:85 mtu 1500<br>Oct 05 08:34:20 rune64 c= onnmand[4313]: eth0 {newlink} index 3 operstate 2 <DOWN><br>Oct 05 08= :34:20 rune64 connmand[4313]: eth0 {update} flags 36867 <UP><br>Oct 0= 5 08:34:20 rune64 connmand[4313]: eth0 {newlink} index 3 address B8:27:EB:0= 7:99:85 mtu 1500<br>Oct 05 08:34:20 rune64 connmand[4313]: eth0 {newlink} i= ndex 3 operstate 2 <DOWN></div><div><br></div><div>Spams the log with= this. <br></div>=C2=A0 <br></div></div> </div> --000000000000a9299405b0ecde2e-- ------------------------------ Date: Mon, 05 Oct 2020 18:33:00 -0000 From: credfro...@gmail.com Subject: The Best MBA Essay Writing Service To: connman@lists.01.org Message-ID: <20201005183300.2619.69...@ml01.vlan13.01.org> Content-Type: text/plain; charset="utf-8" Abraham Essays is the best MBA essay writing service, that provides wide range of custom texts – from simple essays, reviews, term papers and research papers to much more complicated pieces like dissertations and thesis works. 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If you’re really stressed and time is ticking down until your assignment is due, I would suggest to use an essay writing service without any hesitation. You are guaranteed to receive a 100% original paper that will be properly cited and formatted. They never resell papers they write, so the paper you order will be written specifically for you. https://www.writingpapersucks.com/paperhelp-org-review/ ------------------------------ Date: Tue, 6 Oct 2020 08:29:55 +0200 From: Daniel Wagner <w...@monom.org> Subject: Re: connman wifi disconnect problem To: KeithG <ys3al...@gmail.com> Cc: "connman@lists.01.org" <connman@lists.01.org> Message-ID: <20201006062955.qa4lekzmvs47g...@beryllium.lan> Content-Type: text/plain; charset=us-ascii On Mon, Oct 05, 2020 at 08:57:47AM -0500, KeithG wrote: > As for the eth0 up and down, it looks like it is being controlled by > connman. At least journalctl thinks so: > > Oct 05 08:18:53 rune64 connmand[4313]: eth0 {update} flags 36866 <DOWN> > Oct 05 08:18:53 rune64 connmand[4313]: eth0 {newlink} index 3 address > B8:27:EB:07:99:85 mtu 1500 > Oct 05 08:18:53 rune64 connmand[4313]: eth0 {newlink} index 3 operstate 2 > <DOWN> > Oct 05 08:18:53 rune64 connmand[4313]: eth0 {update} flags 36867 <UP> > Oct 05 08:18:53 rune64 connmand[4313]: eth0 {newlink} index 3 address > B8:27:EB:07:99:85 mtu 1500 > Oct 05 08:18:53 rune64 connmand[4313]: eth0 {newlink} index 3 operstate 2 > <DOWN> > Oct 05 08:34:20 rune64 connmand[4313]: eth0 {update} flags 36866 <DOWN> > Oct 05 08:34:20 rune64 connmand[4313]: eth0 {newlink} index 3 address > B8:27:EB:07:99:85 mtu 1500 > Oct 05 08:34:20 rune64 connmand[4313]: eth0 {newlink} index 3 operstate 2 > <DOWN> > Oct 05 08:34:20 rune64 connmand[4313]: eth0 {update} flags 36867 <UP> > Oct 05 08:34:20 rune64 connmand[4313]: eth0 {newlink} index 3 address > B8:27:EB:07:99:85 mtu 1500 > Oct 05 08:34:20 rune64 connmand[4313]: eth0 {newlink} index 3 operstate 2 > <DOWN> > > Spams the log with this. No, this doesn't mean it's controlled by ConnMan. ConnMan just logs the state of the interfaces. If there are no other log entries when running with 'connmand -n -d src/service.c' saying let's connnect/disconnect, then it's something else enabling/disabling the interface. ------------------------------ Subject: Digest Footer _______________________________________________ connman mailing list -- connman@lists.01.org To unsubscribe send an email to connman-le...@lists.01.org ------------------------------ End of connman Digest, Vol 60, Issue 5 **************************************