I tested several of the upstream kernels, but none of them solved the
problem. Just recently I updated all the packages and between them one
update to the kernel 3.13.0-48-generic, I think it solved the problem.
Yesterday I was connected for more than 4 hour and today for almost 6
hours without problems.
I have tracked the problem about the unstability, I'm not sure what all
the lines mean but what I can see is that the network supplier changes
continuously and Ubuntu was unable to follow these changes in some
point.
13:25:48 uos-HP-Pavilion-g6 dbus[653]: [system] Successfully activated service
'org.freedesktop.nm_dispatcher'
13:25:49 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: RSN: failed to get
master session key from pre-auth EAPOL state machines
13:25:49 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: RSN: pre-authentication
with a4:18:75:e0:f2:f0 failed
13:26:43 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: CTRL-EVENT-SCAN-STARTED
13:26:47 uos-HP-Pavilion-g6 NetworkManager[905]: <warn> nl_recvmsgs() error:
(-33) Dump inconsistency detected, interrupted
13:27:18 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: RSN: failed to get
master session key from pre-auth EAPOL state machines
13:27:18 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: RSN: pre-authentication
with a4:18:75:e0:f2:f0 failed
13:27:49 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: RSN: failed to get
master session key from pre-auth EAPOL state machines
13:27:49 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: RSN: pre-authentication
with f8:4f:57:41:09:00 failed
13:28:16 uos-HP-Pavilion-g6 dhclient: DHCPREQUEST of 143.167.224.128 on wlan0
to 172.22.0.240 port 67 (xid=0x33f12feb)
13:28:16 uos-HP-Pavilion-g6 dhclient: DHCPACK of 143.167.224.128 from
172.22.0.240
13:28:16 uos-HP-Pavilion-g6 dhclient: bound to 143.167.224.128 -- renewal in
115 seconds.
13:28:16 uos-HP-Pavilion-g6 NetworkManager[905]: <info> (wlan0): DHCPv4 state
changed renew -> renew
13:28:16 uos-HP-Pavilion-g6 NetworkManager[905]: <info> address
143.167.224.128
13:28:16 uos-HP-Pavilion-g6 NetworkManager[905]: <info> prefix 22
(255.255.252.0)
13:28:16 uos-HP-Pavilion-g6 NetworkManager[905]: <info> gateway
143.167.224.254
13:28:16 uos-HP-Pavilion-g6 NetworkManager[905]: <info> nameserver
'143.167.2.110'
13:28:16 uos-HP-Pavilion-g6 NetworkManager[905]: <info> nameserver
'143.167.1.110'
13:28:16 uos-HP-Pavilion-g6 NetworkManager[905]: <info> domain name
'shef.ac.uk'
13:28:16 uos-HP-Pavilion-g6 NetworkManager[905]: <info> wins '143.167.2.157'
13:28:16 uos-HP-Pavilion-g6 NetworkManager[905]: <info> wins '143.167.1.157'
13:28:16 uos-HP-Pavilion-g6 dbus[653]: [system] Activating service
name='org.freedesktop.nm_dispatcher' (using servicehelper)
13:28:16 uos-HP-Pavilion-g6 dbus[653]: [system] Successfully activated service
'org.freedesktop.nm_dispatcher'
13:28:20 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: RSN: failed to get
master session key from pre-auth EAPOL state machines
13:28:20 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: RSN: pre-authentication
with 40:f4:ec:1a:87:d0 failed
13:28:43 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: CTRL-EVENT-SCAN-STARTED
13:28:51 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: RSN: failed to get
master session key from pre-auth EAPOL state machines
13:28:51 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: RSN: pre-authentication
with ec:e1:a9:35:e4:60 failed
13:29:22 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: RSN: failed to get
master session key from pre-auth EAPOL state machines
13:29:22 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: RSN: pre-authentication
with f8:4f:57:41:09:00 failed
13:29:27 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: CTRL-EVENT-DISCONNECTED
bssid=ec:e1:a9:35:62:60 reason=4 locally_generated=1
13:29:27 uos-HP-Pavilion-g6 NetworkManager[905]: <warn> Connection disconnected
(reason -4)
13:29:27 uos-HP-Pavilion-g6 kernel: [ 6140.962458] cfg80211: Calling CRDA to
update world regulatory domain
13:29:27 uos-HP-Pavilion-g6 kernel: [ 6140.965045] cfg80211: World regulatory
domain updated:
13:29:27 uos-HP-Pavilion-g6 kernel: [ 6140.965049] cfg80211: (start_freq -
end_freq @ bandwidth), (max_antenna_gain, max_eirp)
13:29:27 uos-HP-Pavilion-g6 kernel: [ 6140.965051] cfg80211: (2402000 KHz -
2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
13:29:27 uos-HP-Pavilion-g6 kernel: [ 6140.965053] cfg80211: (2457000 KHz -
2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
13:29:27 uos-HP-Pavilion-g6 kernel: [ 6140.965054] cfg80211: (2474000 KHz -
2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
13:29:27 uos-HP-Pavilion-g6 kernel: [ 6140.965056] cfg80211: (5170000 KHz -
5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
13:29:27 uos-HP-Pavilion-g6 kernel: [ 6140.965057] cfg80211: (5735000 KHz -
5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
13:29:27 uos-HP-Pavilion-g6 NetworkManager[905]: <info> (wlan0): supplicant
interface state: completed -> disconnected
13:29:27 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: CTRL-EVENT-SCAN-STARTED
13:29:27 uos-HP-Pavilion-g6 NetworkManager[905]: <info> (wlan0): supplicant
interface state: disconnected -> scanning
13:29:32 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: CTRL-EVENT-SCAN-STARTED
13:29:33 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: SME: Trying to
authenticate with d0:72:dc:82:42:e0 (SSID='eduroam' freq=2462 MHz)
13:29:33 uos-HP-Pavilion-g6 kernel: [ 6147.135524] wlan0: authenticate with
d0:72:dc:82:42:e0
13:29:33 uos-HP-Pavilion-g6 NetworkManager[905]: <info> (wlan0): supplicant
interface state: scanning -> authenticating
13:29:33 uos-HP-Pavilion-g6 kernel: [ 6147.155395] wlan0: direct probe to
d0:72:dc:82:42:e0 (try 1/3)
13:29:33 uos-HP-Pavilion-g6 kernel: [ 6147.358829] wlan0: direct probe to
d0:72:dc:82:42:e0 (try 2/3)
13:29:34 uos-HP-Pavilion-g6 kernel: [ 6147.562681] wlan0: direct probe to
d0:72:dc:82:42:e0 (try 3/3)
13:29:34 uos-HP-Pavilion-g6 kernel: [ 6147.766537] wlan0: authentication with
d0:72:dc:82:42:e0 timed out
13:29:34 uos-HP-Pavilion-g6 NetworkManager[905]: <info> (wlan0): supplicant
interface state: authenticating -> disconnected
13:29:35 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: CTRL-EVENT-SCAN-STARTED
13:29:35 uos-HP-Pavilion-g6 NetworkManager[905]: <info> (wlan0): supplicant
interface state: disconnected -> scanning
13:29:40 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: CTRL-EVENT-SCAN-STARTED
13:29:41 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0: SME: Trying to
authenticate with 40:f4:ec:1a:87:d0 (SSID='eduroam' freq=2437 MHz)
13:29:41 uos-HP-Pavilion-g6 kernel: [ 6154.903725] wlan0: authenticate with
40:f4:ec:1a:87:d0
13:29:41 uos-HP-Pavilion-g6 NetworkManager[905]: <info> (wlan0): supplicant
interface state: scanning -> authenticating
13:29:41 uos-HP-Pavilion-g6 kernel: [ 6154.919215] wlan0: direct probe to
40:f4:ec:1a:87:d0 (try 1/3)
13:29:41 uos-HP-Pavilion-g6 NetworkManager[905]: <info> (wlan0): roamed from
BSSID EC:E1:A9:35:62:60 (eduroam) to (none) ((none))
13:29:41 uos-HP-Pavilion-g6 kernel: [ 6155.122798] wlan0: direct probe to
40:f4:ec:1a:87:d0 (try 2/3)
13:29:41 uos-HP-Pavilion-g6 kernel: [ 6155.326663] wlan0: direct probe to
40:f4:ec:1a:87:d0 (try 3/3)
13:29:42 uos-HP-Pavilion-g6 kernel: [ 6155.530578] wlan0: authentication with
40:f4:ec:1a:87:d0 timed out
13:29:42 uos-HP-Pavilion-g6 wpa_supplicant[929]: wlan0:
CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="eduroam" auth_failures=1 duration=10
13:29:42 uos-HP-Pavilion-g6 NetworkManager[905]: <info> (wlan0): supplicant
interface state: authenticating -> disconnected
13:29:42 uos-HP-Pavilion-g6 NetworkManager[905]: <warn> (wlan0): link timed out.
13:29:42 uos-HP-Pavilion-g6 NetworkManager[905]: <info> (wlan0): device state
change: activated -> failed (reason 'SSID not found') [100 120 53]
13:29:42 uos-HP-Pavilion-g6 NetworkManager[905]: <info> NetworkManager state is
now DISCONNECTED
13:29:42 uos-HP-Pavilion-g6 NetworkManager[905]: <warn> Activation (wlan0)
failed for connection 'eduroam'
Now is fine, I can see that everytime that the adapter changes Ubuntu
succesfully renew the conection.
Thank you for all the help.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1431924
Title:
Ubuntu 14.04 in a HP Pavilion g6 with wireless Ralink RT5390
disconnects
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