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[Bug 1307981] Re: [touch] randomly messed up routing

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Tony Espy <1307981@xxxxxxxxxxxxxxxxxx>
Date: Thu, 26 Mar 2015 17:11:01 -0000
Reply-to: Bug 1307981 <1307981@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

I'm removing the 'connectivity' tag, as this bug was specifically for
the issue where the routing table ends up with multiple conflicting
routes, and thus this is a slightly different problem than the current
problems seen with RTM ( empty routing table when switching from WiFi to
mobile data ).  If someone sees this exact problem feel free to comment,
otherwise we'll let this one age out...


** Tags removed: connectivity

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https://bugs.launchpad.net/bugs/1307981

Title:
  [touch] randomly messed up routing

Status in lxc-android-config package in Ubuntu:
  Incomplete
Status in network-manager package in Ubuntu:
  Incomplete

Bug description:
  I have no clue when exactly it started (probably before image 290),
  but since a while i experience random issues where the browser
  suddenly doesnt find websites anymore ... digging deeper i can see
  that the routing table is completely messed up having two default
  routes:

  root@ubuntu-phablet:~# route -n 
  Kernel IP routing table
  Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
  0.0.0.0         37.85.159.174   0.0.0.0         UG    0      0        0 rmnet_usb1
  0.0.0.0         192.168.2.1     0.0.0.0         UG    0      0        0 wlan0
  37.85.159.172   0.0.0.0         255.255.255.252 U     0      0        0 rmnet_usb1
  192.168.2.0     0.0.0.0         255.255.255.0   U     9      0        0 wlan0

  i did not roam or switch networks, this phone was constantly on wlan in the same room.
  afer a reboot the routing is normal:

  root@ubuntu-phablet:~# route -n
  Kernel IP routing table
  Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
  0.0.0.0         192.168.2.1     0.0.0.0         UG    0      0        0 wlan0
  37.84.75.140    0.0.0.0         255.255.255.252 U     13     0        0 rmnet_usb0
  192.168.2.0     0.0.0.0         255.255.255.0   U     9      0        0 wlan0

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