Running on Thinkpad T61p, kernel 2.6.32-24-generic (64bit) Network Manager seems to be bugged dropping speed to zero over Wifi (Intel 4965 AGN); Connection taking time to connect and then slowing to nothing despite previously working perfectly (but seeming to get worse on last 2 kernel updates) and appears to possibly effecting 3g (sierra wireless) (but may be vodaphone slowing connection (connection is not dropped but slowed progressively). Works fine on same machine with Karmic install (earlier Kernel). Reboot solves the problem but only temporarily. Fixed dns IP improves the situation, but still rate drops to nothing. Disable IPv6 did not solve the problem (though seems to have speeded up connection times temporarily - but not as much as fixed DNS IP (cannot change manual instead of DHCP but I suspect this may help) Dmesg wlan0: deauthenticating from 00:05:25:10:9d:56 by local choice (reason=3) [ 29.993271] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 30.190076] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 2) [ 30.390054] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 3) [ 30.590048] wlan0: direct probe to AP 00:05:25:10:9d:56 timed out [ 49.407260] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 49.410129] wlan0: direct probe responded [ 49.410132] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 49.411983] wlan0: authenticated [ 49.411995] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 49.414722] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 49.414724] wlan0: associated [ 49.433332] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.022955] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 53.209457] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 53.211857] wlan0: direct probe responded [ 53.211859] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 53.216615] wlan0: authenticated [ 53.216640] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 53.219224] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 53.219227] wlan0: associated [ 65.030561] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 67.425221] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 67.427605] wlan0: direct probe responded [ 67.427608] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 67.429485] wlan0: authenticated [ 67.429501] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 67.432394] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 67.432396] wlan0: associated [ 73.026477] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 73.219549] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 73.410082] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 2) [ 73.412661] wlan0: direct probe responded [ 73.412663] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 73.414485] wlan0: authenticated [ 73.414495] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 73.416965] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 73.416966] wlan0: associated [ 78.024396] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 78.279652] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 78.282067] wlan0: direct probe responded [ 78.282070] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 78.283976] wlan0: authenticated [ 78.284000] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 78.287125] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 78.287129] wlan0: associated [ 85.773169] Intel AES-NI instructions are not detected. [ 85.801103] padlock: VIA PadLock not detected. [ 89.021783] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 91.372270] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 91.374790] wlan0: direct probe responded [ 91.374798] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 91.380155] wlan0: authenticated [ 91.380190] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 91.383923] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 91.383923] wlan0: associated [ 92.864980] l2cap_recv_acldata: Unexpected continuation frame (len 0) [ 95.242588] wlan0: deauthenticating from 00:05:25:10:9d:56 by local choice (reason=3) [ 95.293085] wlan0: deauthenticating from 00:05:25:10:9d:56 by local choice (reason=3) [ 95.293606] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 95.296366] wlan0: direct probe responded [ 95.296368] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 95.298062] wlan0: authenticated [ 95.298076] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 95.305011] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 95.305014] wlan0: associated [ 101.104229] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 101.277605] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 101.472752] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 2) [ 101.475192] wlan0: direct probe responded [ 101.475200] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 101.477253] wlan0: authenticated [ 101.477296] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 101.479824] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 101.479831] wlan0: associated [ 108.577596] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 110.958018] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 110.960438] wlan0: direct probe responded [ 110.960446] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 110.962259] wlan0: authenticated [ 110.962294] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 110.964873] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=2) [ 110.964880] wlan0: associated [ 117.510116] No probe response from AP 00:05:25:10:9d:56 after 500ms, disconnecting. [ 119.932940] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 120.130063] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 2) [ 120.330074] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 3) [ 120.530053] wlan0: direct probe to AP 00:05:25:10:9d:56 timed out [ 132.110421] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 132.113188] wlan0: direct probe responded [ 132.113189] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 132.115016] wlan0: authenticated [ 132.115035] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 132.117469] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=2) [ 132.117474] wlan0: associated [ 136.519137] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 136.680558] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 136.683143] wlan0: direct probe responded [ 136.683147] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 136.685165] wlan0: authenticated [ 136.685187] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 136.688478] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 136.688482] wlan0: associated [ 141.522794] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 141.709443] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 141.711821] wlan0: direct probe responded [ 141.711826] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 141.713710] wlan0: authenticated [ 141.713734] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 141.716251] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 141.716256] wlan0: associated [ 162.158703] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 164.574589] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 164.577945] wlan0: direct probe responded [ 164.577948] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 164.579730] wlan0: authenticated [ 164.579745] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 164.582267] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 164.582267] wlan0: associated [ 205.587839] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 208.005385] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 208.007829] wlan0: direct probe responded [ 208.007837] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 208.009712] wlan0: authenticated [ 208.009744] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 208.012312] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 208.012319] wlan0: associated [ 226.153912] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 228.609779] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 228.612328] wlan0: direct probe responded [ 228.612331] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 228.614036] wlan0: authenticated [ 228.614050] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 228.616522] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 228.616525] wlan0: associated [ 233.082572] CE: hpet increasing min_delta_ns to 15000 nsec [ 248.510570] mmc0: card 870f removed [ 254.821996] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 257.236058] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 257.239677] wlan0: direct probe responded [ 257.239679] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 257.241537] wlan0: authenticated [ 257.241550] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 257.243973] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 257.243975] wlan0: associated [ 286.317006] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 288.764151] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 288.766746] wlan0: direct probe responded [ 288.766753] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 288.768579] wlan0: authenticated [ 288.768612] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 288.771168] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 288.771174] wlan0: associated [ 354.215155] wlan0: deauthenticated from 00:05:25:10:9d:56 (Reason: 6) [ 356.616212] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 356.618509] wlan0: direct probe responded [ 356.618512] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 356.620339] wlan0: authenticated [ 356.620352] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 356.622805] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=1) [ 356.622806] wlan0: associated [ 556.420061] CE: hpet increasing min_delta_ns to 22500 nsec [ 1036.510121] No probe response from AP 00:05:25:10:9d:56 after 500ms, disconnecting. [ 1275.821975] cfg80211: Found new beacon on frequency: 2472 MHz (Ch 13) on phy0 [ 1371.691531] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 1) [ 1371.880134] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 2) [ 1372.080123] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 3) [ 1372.280163] wlan0: direct probe to AP 00:26:44:7b:5a:cb timed out [ 1383.893874] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 1) [ 1383.897722] wlan0: direct probe responded [ 1383.897729] wlan0: authenticate with AP 00:26:44:7b:5a:cb (try 1) [ 1384.090135] wlan0: authenticate with AP 00:26:44:7b:5a:cb (try 2) [ 1384.098580] wlan0: authenticated [ 1384.098620] wlan0: associate with AP 00:26:44:7b:5a:cb (try 1) [ 1384.290127] wlan0: associate with AP 00:26:44:7b:5a:cb (try 2) [ 1384.294029] wlan0: RX AssocResp from 00:26:44:7b:5a:cb (capab=0x411 status=0 aid=1) [ 1384.294036] wlan0: associated [ 1552.512599] No probe response from AP 00:26:44:7b:5a:cb after 500ms, disconnecting. [ 1554.859480] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 1) [ 1555.060092] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 2) [ 1555.062491] wlan0: direct probe responded [ 1555.062498] wlan0: authenticate with AP 00:26:44:7b:5a:cb (try 1) [ 1555.260140] wlan0: authenticate with AP 00:26:44:7b:5a:cb (try 2) [ 1555.262595] wlan0: authenticated [ 1555.262629] wlan0: associate with AP 00:26:44:7b:5a:cb (try 1) [ 1555.460120] wlan0: associate with AP 00:26:44:7b:5a:cb (try 2) [ 1555.463889] wlan0: RX AssocResp from 00:26:44:7b:5a:cb (capab=0x411 status=0 aid=1) [ 1555.463895] wlan0: associated [ 1623.135621] wlan0: deauthenticated from 00:26:44:7b:5a:cb (Reason: 7) [ 1625.518415] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 1) [ 1625.710104] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 2) [ 1625.712503] wlan0: direct probe responded [ 1625.712510] wlan0: authenticate with AP 00:26:44:7b:5a:cb (try 1) [ 1625.910117] wlan0: authenticate with AP 00:26:44:7b:5a:cb (try 2) [ 1625.912337] wlan0: authenticated [ 1625.912376] wlan0: associate with AP 00:26:44:7b:5a:cb (try 1) [ 1626.110096] wlan0: associate with AP 00:26:44:7b:5a:cb (try 2) [ 1626.112963] wlan0: RX AssocResp from 00:26:44:7b:5a:cb (capab=0x411 status=0 aid=1) [ 1626.112969] wlan0: associated [ 1657.540101] No probe response from AP 00:26:44:7b:5a:cb after 500ms, disconnecting. [ 1721.391647] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 1) [ 1721.590101] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 2) [ 1721.790122] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 3) [ 1721.990095] wlan0: direct probe to AP 00:26:44:7b:5a:cb timed out [ 2274.775864] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 1) [ 2274.970075] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 2) [ 2275.170094] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 3) [ 2275.370098] wlan0: direct probe to AP 00:26:44:7b:5a:cb timed out [ 2400.113010] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 1) [ 2400.115332] wlan0: direct probe responded [ 2400.115340] wlan0: authenticate with AP 00:26:44:7b:5a:cb (try 1) [ 2400.121235] wlan0: authenticated [ 2400.121273] wlan0: associate with AP 00:26:44:7b:5a:cb (try 1) [ 2400.125040] wlan0: RX AssocResp from 00:26:44:7b:5a:cb (capab=0x411 status=0 aid=1) [ 2400.125048] wlan0: associated [ 3426.202589] wlan0: deauthenticating from 00:26:44:7b:5a:cb by local choice (reason=3) [ 3428.444875] wlan0: deauthenticating from 00:05:25:10:9d:56 by local choice (reason=3) [ 3428.487313] wlan0: direct probe to AP 00:05:25:10:9d:56 (try 1) [ 3428.489751] wlan0: direct probe responded [ 3428.489758] wlan0: authenticate with AP 00:05:25:10:9d:56 (try 1) [ 3428.495845] wlan0: authenticated [ 3428.495872] wlan0: associate with AP 00:05:25:10:9d:56 (try 1) [ 3428.498396] wlan0: RX AssocResp from 00:05:25:10:9d:56 (capab=0x411 status=0 aid=2) [ 3428.498400] wlan0: associated [ 3433.252534] wlan0: deauthenticating from 00:05:25:10:9d:56 by local choice (reason=3) [ 3437.156102] wlan0: deauthenticating from 00:26:44:7b:5a:cb by local choice (reason=3) [ 3437.196938] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 1) [ 3437.390116] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 2) [ 3437.590113] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 3) [ 3437.790061] wlan0: direct probe to AP 00:26:44:7b:5a:cb timed out [ 3463.705778] wlan0: direct probe to AP 00:26:44:7b:5a:cb (try 1) [ 3463.712091] wlan0: direct probe responded [ 3463.712099] wlan0: authenticate with AP 00:26:44:7b:5a:cb (try 1) [ 3463.910069] wlan0: authenticate with AP 00:26:44:7b:5a:cb (try 2) [ 3463.912588] wlan0: authenticated [ 3463.912631] wlan0: associate with AP 00:26:44:7b:5a:cb (try 1) [ 3464.110113] wlan0: associate with AP 00:26:44:7b:5a:cb (try 2) [ 3464.113008] wlan0: RX AssocResp from 00:26:44:7b:5a:cb (capab=0x411 status=0 aid=1) [ 3464.113016] wlan0: associated