[Bug 1222377] Re: network-manager stops connecting to Wi-Fi after 1 PB transferred on any interface

[Paul]

This bug is still present, up to and including Ubuntu 14.04 Trusty.
large_interface_counters.patch enlarges the buffer at
common/discover.c:420 in begin_iface_scan(), but not the buffer at
common/discover.c:493 in next_iface4(), which is where the error occurs
(see comment #3).

The following buffers should be enlarged from 256 to 512 bytes:
common/discover.c:493:next_iface4()
common/discover.c:617:next_iface6()

I still haven't heard anything from ISC other than they were going to
consider this, so it looks like Debian patching it is the correct
solution.

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https://bugs.launchpad.net/bugs/1222377

Title:
  network-manager stops connecting to Wi-Fi after 1 PB transferred on
  any interface

Status in “isc-dhcp” package in Ubuntu:
  Confirmed

Bug description:
  Transfer 1 PB or more over any eth* interface (not tested with lo,
  impractical to test with wlan*). Use ifconfig to confirm interface
  byte counters.

  Once a counter exceeds 1 PB, network-manager will fail to connect to
  any Wi-Fi access points, though existing connections will stay up.

  A single 10 Gb/s link can transfer 1 PB in two weeks.

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