Public bug reported:
This problem is obviously in Intrepid. I'm using the 64-bit build.
There's a lot to like about the newer ath9k LBM driver such as how
quickly it connects and the correct reporting of the connection speed.
However, it has frequent dropouts that are intolerable. It will drop the
connection, then get it back a few seconds later, and the process
repeats. Network-manager doesn't report the connection dropped, but the
Internet is inaccessible for that period of time.
Dmesg looks the same with both drivers but the LBM driver makes a little
more noise in syslog:
Nov 24 12:09:18 brandon-desktop kernel: [ 1714.015716] wlan0: authenticate with
AP 00:17:9a:41:af:20
Nov 24 12:09:18 brandon-desktop kernel: [ 1714.023508] wlan0: authenticate with
AP 00:17:9a:41:af:20
Nov 24 12:09:18 brandon-desktop kernel: [ 1714.029764] wlan0: authenticated
Nov 24 12:09:18 brandon-desktop kernel: [ 1714.029772] wlan0: associate with AP
00:17:9a:41:af:20
Nov 24 12:09:18 brandon-desktop kernel: [ 1714.035109] wlan0: RX ReassocResp
from 00:17:9a:41:af:20 (capab=0x431 status=0 aid=5)
Nov 24 12:09:18 brandon-desktop kernel: [ 1714.035115] wlan0: associated
Nov 24 12:09:18 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 3 -> 4
Nov 24 12:09:21 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 4 -> 5
Nov 24 12:09:21 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 5 -> 6
Nov 24 12:09:21 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 6 -> 7
Nov 24 12:11:52 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 7 -> 0
Nov 24 12:11:52 brandon-desktop kernel: [ 1868.040016] wlan0: No ProbeResp from
current AP 00:17:9a:41:af:20 - assume out of range
Nov 24 12:11:52 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 0 -> 2
Nov 24 12:11:52 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 2 -> 3
Nov 24 12:11:52 brandon-desktop kernel: [ 1868.827958] wlan0: authenticate with
AP 00:17:9a:41:af:20
Nov 24 12:11:52 brandon-desktop kernel: [ 1868.829906] wlan0: authenticated
Nov 24 12:11:52 brandon-desktop kernel: [ 1868.829915] wlan0: associate with AP
00:17:9a:41:af:20
Nov 24 12:11:52 brandon-desktop kernel: [ 1868.837434] wlan0: RX ReassocResp
from 00:17:9a:41:af:20 (capab=0x431 status=0 aid=5)
Nov 24 12:11:52 brandon-desktop kernel: [ 1868.837441] wlan0: associated
Nov 24 12:11:52 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 3 -> 4
Nov 24 12:11:55 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 4 -> 5
Nov 24 12:11:59 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 5 -> 6
Nov 24 12:11:59 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 6 -> 7
Nov 24 12:13:17 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 7 -> 0
Nov 24 12:13:17 brandon-desktop kernel: [ 1953.152017] wlan0: No ProbeResp from
current AP 00:17:9a:41:af:20 - assume out of range
Nov 24 12:13:17 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 0 -> 2
Nov 24 12:13:17 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 2 -> 3
Nov 24 12:13:18 brandon-desktop kernel: [ 1954.055891] wlan0: authenticate with
AP 00:17:9a:41:af:20
Nov 24 12:13:18 brandon-desktop kernel: [ 1954.063724] wlan0: authenticate with
AP 00:17:9a:41:af:20
Nov 24 12:13:18 brandon-desktop kernel: [ 1954.065936] wlan0: authenticated
Nov 24 12:13:18 brandon-desktop kernel: [ 1954.065945] wlan0: associate with AP
00:17:9a:41:af:20
Nov 24 12:13:18 brandon-desktop kernel: [ 1954.070984] wlan0: RX ReassocResp
from 00:17:9a:41:af:20 (capab=0x431 status=0 aid=5)
Nov 24 12:13:18 brandon-desktop kernel: [ 1954.070990] wlan0: associated
Nov 24 12:13:18 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 3 -> 4
Nov 24 12:13:21 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 4 -> 5
Nov 24 12:13:21 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 5 -> 6
Nov 24 12:13:21 brandon-desktop NetworkManager: <info> (wlan0): supplicant
connection state change: 6 -> 7
The LBM driver keeps looping back and forth like that endlessly.
** Affects: linux-backports-modules-2.6.27 (Ubuntu)
Importance: Undecided
Status: New
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ath9k drops connection
https://bugs.launchpad.net/bugs/301822
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