On Mon, 2017-08-28 at 10:23 +0000, Engel, Mike wrote: > Hi all, Hi,
> We are using the NetworkManager version 1.8.2 on an embedded device > and have done some tests with the connection check and it seems that > is not working correctly. > > On our system we have Ethernet and wireless working. Were Ethernet is > the primary network interface. Adding the connectivity check to the > NetworkManager.conf will ping a server every 10s to check internet > connection. And that is done correctly through both network > interfaces. > > Aug 28 09:40:38 ccimx6sbc daemon.debug NetworkManager[1354]: <debug> > [1503913238.0883] connectivity: (eth0) sending request to 'http://net > work-test.debian.org/nm' > Aug 28 09:40:38 ccimx6sbc daemon.debug NetworkManager[1354]: <debug> > [1503913238.0888] connectivity: (wlan0) sending request to 'http://ne > twork-test.debian.org/nm' > Aug 28 09:40:39 ccimx6sbc daemon.debug NetworkManager[1354]: <debug> > [1503913239.4761] connectivity: (eth0) status header found, check > successful > Aug 28 09:40:39 ccimx6sbc daemon.debug NetworkManager[1354]: <debug> > [1503913239.4952] connectivity: (wlan0) status header found, check > successful > > The routing table of the target looks like this. > > Kernel IP routing table > Destination Gateway Genmask Flags Metric > Ref Use Iface > 0.0.0.0 10.101.2.1 0.0.0.0 UG 100 0 > 0 eth0 > 0.0.0.0 192.168.11.101 0.0.0.0 UG 600 0 > 0 wlan0 > 10.101.2.0 0.0.0.0 255.255.255.0 U 0 0 > 0 eth0 > 10.101.2.0 0.0.0.0 255.255.255.0 U 100 0 > 0 eth0 > 192.168.0.0 0.0.0.0 255.255.0.0 U 0 0 > 0 wlan0 > 192.168.0.0 0.0.0.0 255.255.0.0 U 600 0 > 0 wlan0 > > When we disconnect the switch from the internet where the Ethernet > interface is connected to the connection request will fail. But it > fails for both devices and the routing penalization function > (route_metric_with_penalty) is called and updates the routing table > for both interface instead of only the Ethernet one. > > Aug 28 10:17:18 ccimx6sbc daemon.debug NetworkManager[1354]: <debug> > [1503915438.0931] connectivity: (wlan0) sending request to 'http://ne > twork-test.debian.org/nm' > Aug 28 10:17:18 ccimx6sbc daemon.debug NetworkManager[1354]: <debug> > [1503915438.0934] connectivity: (eth0) sending request to 'http://net > work-test.debian.org/nm' > Aug 28 10:18:39 ccimx6sbc daemon.debug NetworkManager[1354]: <debug> > [1503915519.1711] connectivity: (eth0) check failed (6) > Aug 28 10:18:39 ccimx6sbc daemon.debug NetworkManager[1354]: <debug> > [1503915519.1799] connectivity: (wlan0) check failed (6) it says the check failed. What do you see with level=TRACE logging? Note comments here: https://cgit.freedesktop.org/NetworkManager/NetworkManager/plain/contrib/fedora/rpm/NetworkManager.conf?id=master > Aug 28 10:18:39 ccimx6sbc daemon.debug NetworkManager[1354]: <debug> > [1503915519.1804] manager: connectivity checking indicates LIMITED > Aug 28 10:18:39 ccimx6sbc daemon.debug NetworkManager[1354]: <debug> > [1503915519.1807] dispatcher: (9) dispatching action 'connectivity- > change' > Aug 28 10:18:39 ccimx6sbc daemon.debug NetworkManager[1354]: <debug> > [1503915519.2013] connectivity: (wlan0) sending request to 'http://ne > twork-test.debian.org/nm' > Aug 28 10:18:39 ccimx6sbc daemon.debug NetworkManager[1354]: <debug> > [1503915519.2015] connectivity: (eth0) sending request to 'http://net > work-test.debian.org/nm' > Aug 28 10:18:39 ccimx6sbc daemon.info NetworkManager[1354]: > <info> [1503915519.2107] connectivity: (eth0) timed out > Aug 28 10:18:39 ccimx6sbc daemon.info NetworkManager[1354]: > <info> [1503915519.2109] connectivity: (eth0) timed out > Aug 28 10:18:39 ccimx6sbc daemon.info nm-dispatcher: req:1 > 'connectivity-change': new request (0 scripts) > Aug 28 10:18:39 ccimx6sbc daemon.debug nm-dispatcher: req:1 > 'connectivity-change': environment: CONNECTIVITY_STATE=LIMITED > Aug 28 10:18:39 ccimx6sbc daemon.info nm-dispatcher: req:1 > 'connectivity-change': completed: no scripts > > And in the routing table both interfaces have changed > > Kernel IP routing table > Destination Gateway Genmask Flags Metric > Ref Use Iface > 0.0.0.0 10.101.2.1 0.0.0.0 UG 20100 0 > 0 eth0 > 0.0.0.0 192.168.11.101 0.0.0.0 UG 20600 0 > 0 wlan0 > 10.101.2.0 0.0.0.0 255.255.255.0 U 0 0 > 0 eth0 > 10.101.2.0 0.0.0.0 255.255.255.0 U 100 0 > 0 eth0 > 192.168.0.0 0.0.0.0 255.255.0.0 U 0 0 > 0 wlan0 > 192.168.0.0 0.0.0.0 255.255.0.0 U 600 0 > 0 wlan0 > > Is there something wrong with our test or might there be an issue > with the connectivity check? there is also a curl 7.55 issue, see https://bugzilla.gnome.org/show_bug.cgi?id=786432 What's your libcurl version? best, Thomas
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