On maverick the same issue. with only wlan0 it disconnects frequently when there is network traffic . If no or low traffic the connection seems to be stable.
with wicd the problem not occurs (in same conditions, same place, same net). Dec 13 10:04:40 luca-laptop NetworkManagerDispatcher: lo is down Dec 13 10:04:40 luca-laptop kernel: [ 45.704994] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 Dec 13 10:04:41 luca-laptop kernel: [ 46.500174] hda-intel: IRQ timing workaround is activated for card #1. Suggest a bigger bdl_pos_adj. Dec 13 10:04:59 luca-laptop nautilus: [N-A] Nautilus-Actions Tracker 2.30.2 initializing... Dec 13 10:04:59 luca-laptop nautilus: [N-A] Nautilus-Actions Menu Extender 2.30.2 initializing... Dec 13 10:04:59 luca-laptop kernel: [ 65.114067] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready Dec 13 10:05:00 luca-laptop kernel: [ 65.397739] Intel AES-NI instructions are not detected. Dec 13 10:05:00 luca-laptop kernel: [ 65.554359] padlock: VIA PadLock not detected. Dec 13 10:05:10 luca-laptop NetworkManagerDispatcher: wlan0 is up (wlan0 up) Dec 13 10:05:10 luca-laptop NetworkManagerDispatcher: Found IP 192.168.1.177 ESSID EMC Dec 13 10:05:10 luca-laptop NetworkManagerDispatcher: Profile has not changed: home Dec 13 10:05:10 luca-laptop NetworkManagerDispatcher: Calling system network settings Dec 13 10:05:11 luca-laptop NetworkManagerDispatcher: Calling user network settings for all logged users Dec 13 10:05:11 luca-laptop NetworkManagerDispatcher: Completed network profiles settings Dec 13 10:05:23 luca-laptop kernel: [ 87.472647] cfg80211: Calling CRDA to update world regulatory domain Dec 13 10:05:23 luca-laptop kernel: [ 87.475537] cfg80211: World regulatory domain updated: Dec 13 10:05:23 luca-laptop kernel: [ 87.475539] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Dec 13 10:05:23 luca-laptop kernel: [ 87.475541] (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:05:23 luca-laptop kernel: [ 87.475544] (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:05:23 luca-laptop kernel: [ 87.475546] (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:05:23 luca-laptop kernel: [ 87.475548] (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:05:23 luca-laptop kernel: [ 87.475550] (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:05:24 luca-laptop NetworkManagerDispatcher: wlan0 is down Dec 13 10:05:34 luca-laptop NetworkManagerDispatcher: wlan0 is up (wlan0 up) Dec 13 10:05:34 luca-laptop NetworkManagerDispatcher: Found IP 192.168.1.177 ESSID Alice-36687582 Dec 13 10:05:34 luca-laptop NetworkManagerDispatcher: Profile has not changed: home Dec 13 10:05:34 luca-laptop NetworkManagerDispatcher: Calling system network settings Dec 13 10:05:34 luca-laptop NetworkManagerDispatcher: Calling user network settings for all logged users Dec 13 10:05:34 luca-laptop NetworkManagerDispatcher: Completed network profiles settings Dec 13 10:05:44 luca-laptop sudo: pam_sm_authenticate: Called Dec 13 10:05:44 luca-laptop sudo: pam_sm_authenticate: username = [luca] Dec 13 10:07:15 luca-laptop kernel: [ 199.752691] cfg80211: Calling CRDA to update world regulatory domain Dec 13 10:07:15 luca-laptop kernel: [ 199.756061] cfg80211: World regulatory domain updated: Dec 13 10:07:15 luca-laptop kernel: [ 199.756064] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Dec 13 10:07:15 luca-laptop kernel: [ 199.756067] (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:07:15 luca-laptop kernel: [ 199.756069] (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:07:15 luca-laptop kernel: [ 199.756072] (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:07:15 luca-laptop kernel: [ 199.756074] (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:07:15 luca-laptop kernel: [ 199.756077] (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:07:32 luca-laptop NetworkManagerDispatcher: wlan0 is down Dec 13 10:08:20 luca-laptop kernel: [ 264.112571] cfg80211: Calling CRDA to update world regulatory domain Dec 13 10:08:20 luca-laptop kernel: [ 264.116622] cfg80211: World regulatory domain updated: Dec 13 10:08:20 luca-laptop kernel: [ 264.116625] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Dec 13 10:08:20 luca-laptop kernel: [ 264.116628] (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:08:20 luca-laptop kernel: [ 264.116630] (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:08:20 luca-laptop kernel: [ 264.116633] (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:08:20 luca-laptop kernel: [ 264.116635] (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:08:20 luca-laptop kernel: [ 264.116638] (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:08:28 luca-laptop NetworkManagerDispatcher: wlan0 is up (wlan0 up) Dec 13 10:08:28 luca-laptop NetworkManagerDispatcher: Found IP 192.168.1.177 ESSID Alice-36687582 Dec 13 10:08:28 luca-laptop NetworkManagerDispatcher: Profile has not changed: home Dec 13 10:08:28 luca-laptop NetworkManagerDispatcher: Calling system network settings Dec 13 10:08:28 luca-laptop NetworkManagerDispatcher: Calling user network settings for all logged users Dec 13 10:08:29 luca-laptop NetworkManagerDispatcher: Completed network profiles settings Dec 13 10:08:41 luca-laptop kernel: [ 285.592748] cfg80211: Calling CRDA to update world regulatory domain Dec 13 10:08:41 luca-laptop kernel: [ 285.600935] cfg80211: World regulatory domain updated: Dec 13 10:08:41 luca-laptop kernel: [ 285.600942] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Dec 13 10:08:41 luca-laptop kernel: [ 285.600951] (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:08:41 luca-laptop kernel: [ 285.600958] (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:08:41 luca-laptop kernel: [ 285.600966] (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:08:41 luca-laptop kernel: [ 285.600972] (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:08:41 luca-laptop kernel: [ 285.600979] (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:08:58 luca-laptop NetworkManagerDispatcher: wlan0 is down Dec 13 10:09:26 luca-laptop kernel: [ 330.290149] CE: hpet increased min_delta_ns to 7500 nsec Dec 13 10:09:53 luca-laptop NetworkManagerDispatcher: wlan0 is up (wlan0 up) Dec 13 10:09:53 luca-laptop NetworkManagerDispatcher: Found IP 192.168.1.177 ESSID Alice-36687582 Dec 13 10:09:53 luca-laptop NetworkManagerDispatcher: Profile has not changed: home Dec 13 10:09:53 luca-laptop NetworkManagerDispatcher: Calling system network settings Dec 13 10:09:53 luca-laptop NetworkManagerDispatcher: Calling user network settings for all logged users Dec 13 10:09:53 luca-laptop NetworkManagerDispatcher: Completed network profiles settings Dec 13 10:10:04 luca-laptop kernel: [ 368.472814] cfg80211: Calling CRDA to update world regulatory domain Dec 13 10:10:04 luca-laptop kernel: [ 368.481537] cfg80211: World regulatory domain updated: Dec 13 10:10:04 luca-laptop kernel: [ 368.481544] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Dec 13 10:10:04 luca-laptop kernel: [ 368.481552] (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:10:04 luca-laptop kernel: [ 368.481560] (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:10:04 luca-laptop kernel: [ 368.481567] (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:10:04 luca-laptop kernel: [ 368.481574] (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:10:04 luca-laptop kernel: [ 368.481581] (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:10:21 luca-laptop NetworkManagerDispatcher: wlan0 is down Dec 13 10:11:16 luca-laptop NetworkManagerDispatcher: wlan0 is up (wlan0 up) Dec 13 10:11:16 luca-laptop NetworkManagerDispatcher: Found IP 192.168.1.177 ESSID Alice-36687582 Dec 13 10:11:16 luca-laptop NetworkManagerDispatcher: Profile has not changed: home Dec 13 10:11:16 luca-laptop NetworkManagerDispatcher: Calling system network settings Dec 13 10:11:16 luca-laptop NetworkManagerDispatcher: Calling user network settings for all logged users Dec 13 10:11:16 luca-laptop NetworkManagerDispatcher: Completed network profiles settings Dec 13 10:24:47 luca-laptop kernel: [ 1250.798874] process `skype' is using obsolete setsockopt SO_BSDCOMPAT Dec 13 10:25:18 luca-laptop kernel: [ 1282.771676] cfg80211: Calling CRDA to update world regulatory domain Dec 13 10:25:18 luca-laptop kernel: [ 1282.779571] cfg80211: World regulatory domain updated: Dec 13 10:25:18 luca-laptop kernel: [ 1282.779578] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Dec 13 10:25:18 luca-laptop kernel: [ 1282.779586] (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:25:18 luca-laptop kernel: [ 1282.779594] (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:25:18 luca-laptop kernel: [ 1282.779602] (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:25:18 luca-laptop kernel: [ 1282.779609] (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:25:18 luca-laptop kernel: [ 1282.779615] (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:25:35 luca-laptop NetworkManagerDispatcher: wlan0 is down Dec 13 10:26:30 luca-laptop NetworkManagerDispatcher: wlan0 is up (wlan0 up) Dec 13 10:26:30 luca-laptop NetworkManagerDispatcher: Found IP 192.168.1.177 ESSID Alice-36687582 Dec 13 10:26:30 luca-laptop NetworkManagerDispatcher: Profile has not changed: home Dec 13 10:26:30 luca-laptop NetworkManagerDispatcher: Calling system network settings Dec 13 10:26:30 luca-laptop NetworkManagerDispatcher: Calling user network settings for all logged users Dec 13 10:26:30 luca-laptop NetworkManagerDispatcher: Completed network profiles settings Dec 13 10:27:37 luca-laptop kernel: [ 1421.410315] cfg80211: Calling CRDA to update world regulatory domain Dec 13 10:27:37 luca-laptop kernel: [ 1421.417997] cfg80211: World regulatory domain updated: Dec 13 10:27:37 luca-laptop kernel: [ 1421.418004] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Dec 13 10:27:37 luca-laptop kernel: [ 1421.418012] (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:27:37 luca-laptop kernel: [ 1421.418020] (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:27:37 luca-laptop kernel: [ 1421.418027] (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:27:37 luca-laptop kernel: [ 1421.418034] (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:27:37 luca-laptop kernel: [ 1421.418041] (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:27:54 luca-laptop NetworkManagerDispatcher: wlan0 is down Dec 13 10:28:26 luca-laptop kernel: [ 1470.727700] cfg80211: Calling CRDA to update world regulatory domain Dec 13 10:28:26 luca-laptop kernel: [ 1470.735859] cfg80211: World regulatory domain updated: Dec 13 10:28:26 luca-laptop kernel: [ 1470.735866] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Dec 13 10:28:26 luca-laptop kernel: [ 1470.735874] (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:28:26 luca-laptop kernel: [ 1470.735882] (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:28:26 luca-laptop kernel: [ 1470.735889] (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:28:26 luca-laptop kernel: [ 1470.735896] (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:28:26 luca-laptop kernel: [ 1470.735903] (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:28:57 luca-laptop NetworkManagerDispatcher: wlan0 is up (wlan0 up) Dec 13 10:28:57 luca-laptop NetworkManagerDispatcher: Found IP 192.168.1.177 ESSID EMC Dec 13 10:28:57 luca-laptop NetworkManagerDispatcher: Profile has not changed: home Dec 13 10:28:57 luca-laptop NetworkManagerDispatcher: Calling system network settings Dec 13 10:28:57 luca-laptop NetworkManagerDispatcher: Calling user network settings for all logged users Dec 13 10:28:57 luca-laptop NetworkManagerDispatcher: Completed network profiles settings Dec 13 10:30:41 luca-laptop kernel: [ 1605.610224] cfg80211: Calling CRDA to update world regulatory domain Dec 13 10:30:41 luca-laptop kernel: [ 1605.618934] cfg80211: World regulatory domain updated: Dec 13 10:30:41 luca-laptop kernel: [ 1605.618941] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Dec 13 10:30:41 luca-laptop kernel: [ 1605.618950] (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:30:41 luca-laptop kernel: [ 1605.618957] (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:30:41 luca-laptop kernel: [ 1605.618964] (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 13 10:30:41 luca-laptop kernel: [ 1605.618971] (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:30:41 luca-laptop kernel: [ 1605.618978] (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 13 10:30:58 luca-laptop NetworkManagerDispatcher: wlan0 is down Dec 13 10:31:24 luca-laptop NetworkManagerDispatcher: wlan0 is up (wlan0 up) Dec 13 10:31:24 luca-laptop NetworkManagerDispatcher: Found IP 192.168.1.177 ESSID EMC Dec 13 10:31:24 luca-laptop NetworkManagerDispatcher: Profile has not changed: home Dec 13 10:31:24 luca-laptop NetworkManagerDispatcher: Calling system network settings Dec 13 10:31:24 luca-laptop NetworkManagerDispatcher: Calling user network settings for all logged users Dec 13 10:31:24 luca-laptop NetworkManagerDispatcher: Completed network profiles settings -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/361823 Title: network-manager looses wireless connection frequently -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
