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Today's Topics:
1. Re: connman wifi disconnect problem (KeithG)
2. The Best MBA Essay Writing Service ([email protected])
3. Re: [PATCH v2] ipconfig: cleanup ipdevice gateway fields
([email protected])
4. Some Good Websites that Write Essays for You
([email protected])
5. Re: connman wifi disconnect problem (Daniel Wagner)
----------------------------------------------------------------------
Date: Mon, 5 Oct 2020 08:57:47 -0500
From: KeithG <[email protected]>
Subject: Re: connman wifi disconnect problem
To: Daniel Wagner <[email protected]>
Cc: "[email protected]" <[email protected]>
Message-ID:
<CAG17S_Nm8Vf2kn_t4fqFe5+SZ7mxds9Q2Whx=fwe0wntlxg...@mail.gmail.com>
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On Mon, Oct 5, 2020 at 1:33 AM Daniel Wagner <[email protected]> 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.
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<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=
[email protected]" target=3D"_blank">[email protected]</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: [email protected]
Subject: The Best MBA Essay Writing Service
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"
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------------------------------
Date: Mon, 05 Oct 2020 18:35:33 -0000
From: [email protected]
Subject: Re: [PATCH v2] ipconfig: cleanup ipdevice gateway fields
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"
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Date: Mon, 05 Oct 2020 18:57:05 -0000
From: [email protected]
Subject: Some Good Websites that Write Essays for You
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"
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------------------------------
Date: Tue, 6 Oct 2020 08:29:55 +0200
From: Daniel Wagner <[email protected]>
Subject: Re: connman wifi disconnect problem
To: KeithG <[email protected]>
Cc: "[email protected]" <[email protected]>
Message-ID: <[email protected]>
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.
------------------------------
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