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[mrmarvin <mdesigns.tt@xxxxxxxxx>]

** Changed in: linux (Ubuntu)
     Assignee: (unassigned) => mrmarvin (mdesigns-tt)

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https://bugs.launchpad.net/bugs/548992

Title:
  Wireless connection frequently drops  [deauthenticating by local
  choice (reason=3)]

Status in Linux:
  New
Status in linux package in Ubuntu:
  Fix Released
Status in wpasupplicant package in Ubuntu:
  Invalid
Status in linux package in Arch Linux:
  New
Status in Debian:
  Confirmed
Status in Fedora:
  Unknown
Status in linux package in openSUSE:
  New

Bug description:
  Since about 8.04 or 8.10, perhaps when Ubuntu switched over to
  NetworkManager, my wireless connection has randomly dropped its
  association with the access point, about every ten minutes. For a
  while, the connection will just die, then it will be detected and
  NetworkManager will re-authenticate and re-associate.

  In Lucid Lynx, this problem is now much more frequent (often exactly
  every two or four minutes) and now Ubuntu does not report that the
  connection has dropped. Instead, it re-associates in the background,
  eventually connecting to the access point again, all behind the
  scenes. Thus, the only thing that has changed, aside from the greater
  frequency, is that Ubuntu now doesn't report that it has dropped the
  connection, which seems deceptive from previous versions.

  This may be the same bug as bug 429035, but my dmesg output is a bit
  different.  This problem occurs primarily on a WPA2 Enterprise
  network, but the problem has occurred on other network security
  configurations as well.

  dmesg output after many instances of disconnects:

  [ 5423.541343] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 5425.134984] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 5425.174916] wlan0: direct probe to AP 00:26:cb:17:bd:41 (try 1)
  [ 5425.177083] wlan0: direct probe responded
  [ 5425.177087] wlan0: authenticate with AP 00:26:cb:17:bd:41 (try 1)
  [ 5425.179379] wlan0: authenticated
  [ 5425.179399] wlan0: associate with AP 00:26:cb:17:bd:41 (try 1)
  [ 5425.182881] wlan0: RX AssocResp from 00:26:cb:17:bd:41 (capab=0x431 status=0 aid=68)
  [ 5425.182884] wlan0: associated
  [ 5437.562165] iwlagn 0000:0b:00.0: iwl_tx_agg_start on ra = 00:26:cb:17:bd:41 tid = 0
  [ 5480.893417] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 5482.475859] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 5482.515034] wlan0: direct probe to AP 00:26:cb:17:bd:41 (try 1)
  [ 5482.517187] wlan0: direct probe responded
  [ 5482.517190] wlan0: authenticate with AP 00:26:cb:17:bd:41 (try 1)
  [ 5482.518636] wlan0: authenticated
  [ 5482.518651] wlan0: associate with AP 00:26:cb:17:bd:41 (try 1)
  [ 5482.522378] wlan0: RX AssocResp from 00:26:cb:17:bd:41 (capab=0x431 status=0 aid=68)
  [ 5482.522381] wlan0: associated
  [ 5508.093339] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 5508.107358] wlan0: direct probe to AP 00:26:cb:17:bd:41 (try 1)
  [ 5508.107412] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 5508.110595] wlan0: direct probe to AP 00:26:cb:16:e8:d1 (try 1)
  [ 5508.113114] wlan0: direct probe responded
  [ 5508.113123] wlan0: authenticate with AP 00:26:cb:16:e8:d1 (try 1)
  [ 5508.115392] wlan0: authenticated
  [ 5508.121973] wlan0: associate with AP 00:26:cb:16:e8:d1 (try 1)
  [ 5508.127254] wlan0: RX AssocResp from 00:26:cb:16:e8:d1 (capab=0x431 status=0 aid=16)
  [ 5508.127262] wlan0: associated
  [ 5525.110100] iwlagn 0000:0b:00.0: iwl_tx_agg_start on ra = 00:26:cb:16:e8:d1 tid = 0
  [ 5546.029401] wlan0: deauthenticating from 00:26:cb:16:e8:d1 by local choice (reason=3)
  [ 5546.042276] wlan0: direct probe to AP 00:26:cb:16:e8:d1 (try 1)
  [ 5546.042311] wlan0: deauthenticating from 00:26:cb:16:e8:d1 by local choice (reason=3)
  [ 5546.045656] wlan0: direct probe to AP 00:26:cb:17:bd:41 (try 1)
  [ 5546.048069] wlan0: direct probe responded
  [ 5546.048077] wlan0: authenticate with AP 00:26:cb:17:bd:41 (try 1)
  [ 5546.049864] wlan0: authenticated
  [ 5546.077267] wlan0: associate with AP 00:26:cb:17:bd:41 (try 1)
  [ 5546.080885] wlan0: RX AssocResp from 00:26:cb:17:bd:41 (capab=0x431 status=0 aid=79)
  [ 5546.080888] wlan0: associated
  [ 5562.875489] iwlagn 0000:0b:00.0: iwl_tx_agg_start on ra = 00:26:cb:17:bd:41 tid = 0
  [ 5571.881150] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 5571.928466] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 5571.967725] wlan0: direct probe to AP 00:26:cb:17:bd:41 (try 1)
  [ 5571.969866] wlan0: direct probe responded
  [ 5571.969870] wlan0: authenticate with AP 00:26:cb:17:bd:41 (try 1)
  [ 5571.971428] wlan0: authenticated
  [ 5571.971446] wlan0: associate with AP 00:26:cb:17:bd:41 (try 1)
  [ 5571.974650] wlan0: RX AssocResp from 00:26:cb:17:bd:41 (capab=0x431 status=0 aid=79)
  [ 5571.974658] wlan0: associated
  [ 5579.266995] iwlagn 0000:0b:00.0: iwl_tx_agg_start on ra = 00:26:cb:17:bd:41 tid = 0
  [ 5674.773488] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 5674.815768] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 5674.855855] wlan0: direct probe to AP 00:26:cb:17:bd:41 (try 1)
  [ 5674.858186] wlan0: direct probe responded
  [ 5674.858195] wlan0: authenticate with AP 00:26:cb:17:bd:41 (try 1)
  [ 5674.859768] wlan0: authenticated
  [ 5674.859811] wlan0: associate with AP 00:26:cb:17:bd:41 (try 1)
  [ 5674.863242] wlan0: RX AssocResp from 00:26:cb:17:bd:41 (capab=0x431 status=0 aid=79)
  [ 5674.863249] wlan0: associated
  [ 5693.936473] iwlagn 0000:0b:00.0: iwl_tx_agg_start on ra = 00:26:cb:17:bd:41 tid = 0
  [ 5871.177501] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 5872.845146] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 5872.884514] wlan0: direct probe to AP 00:26:cb:17:bd:41 (try 1)
  [ 5872.886671] wlan0: direct probe responded
  [ 5872.886679] wlan0: authenticate with AP 00:26:cb:17:bd:41 (try 1)
  [ 5872.888855] wlan0: authenticated
  [ 5872.888902] wlan0: associate with AP 00:26:cb:17:bd:41 (try 1)
  [ 5872.892134] wlan0: RX AssocResp from 00:26:cb:17:bd:41 (capab=0x431 status=0 aid=79)
  [ 5872.892142] wlan0: associated
  [ 6091.564428] iwlagn 0000:0b:00.0: iwl_tx_agg_start on ra = 00:26:cb:17:bd:41 tid = 0
  [ 6122.697260] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 6124.304877] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 6124.344923] wlan0: direct probe to AP 00:26:cb:17:bd:41 (try 1)
  [ 6124.347041] wlan0: direct probe responded
  [ 6124.347043] wlan0: authenticate with AP 00:26:cb:17:bd:41 (try 1)
  [ 6124.348599] wlan0: authenticated
  [ 6124.348624] wlan0: associate with AP 00:26:cb:17:bd:41 (try 1)
  [ 6124.352604] wlan0: RX AssocResp from 00:26:cb:17:bd:41 (capab=0x431 status=0 aid=79)
  [ 6124.352609] wlan0: associated
  [ 6129.588373] iwlagn 0000:0b:00.0: iwl_tx_agg_start on ra = 00:26:cb:17:bd:41 tid = 0
  [ 6246.053521] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 6246.089232] wlan0: deauthenticating from 00:26:cb:17:bd:41 by local choice (reason=3)
  [ 6246.129301] wlan0: direct probe to AP 00:26:cb:17:bd:41 (try 1)
  [ 6246.131530] wlan0: direct probe responded
  [ 6246.131540] wlan0: authenticate with AP 00:26:cb:17:bd:41 (try 1)
  [ 6246.133188] wlan0: authenticated
  [ 6246.133229] wlan0: associate with AP 00:26:cb:17:bd:41 (try 1)
  [ 6246.136579] wlan0: RX AssocResp from 00:26:cb:17:bd:41 (capab=0x431 status=0 aid=79)
  [ 6246.136586] wlan0: associated

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