Dont know if it will be useful but this lines are the last of syslog before the freeze:
Aug 19 18:30:19 goa NetworkManager: <info> nm_policy_device_change_check:: old_dev has_link? 1 Aug 19 18:30:19 goa NetworkManager: <info> nm_policy_device_change_check:: old_dev && new_dev!! Aug 19 18:30:20 goa NetworkManager: <info> Error getting killswitch power: org.freedesktop.Hal.Device.KillSwitch.NotSupported - Access type not supported Aug 19 18:30:24 goa NetworkManager: <info> nm_policy_device_change_check:: old_dev has_link? 1 Aug 19 18:30:24 goa NetworkManager: <info> nm_policy_device_change_check:: old_dev && new_dev!! Aug 19 18:30:28 goa NetworkManager: <info> Error getting killswitch power: org.freedesktop.Hal.Device.KillSwitch.NotSupported - Access type not supported Aug 19 18:30:29 goa NetworkManager: <info> nm_policy_device_change_check:: old_dev has_link? 1 Aug 19 18:30:29 goa NetworkManager: <info> nm_policy_device_change_check:: old_dev && new_dev!! Aug 19 18:30:34 goa NetworkManager: <info> Error getting killswitch power: org.freedesktop.Hal.Device.KillSwitch.NotSupported - Access type not supported Aug 19 18:30:35 goa NetworkManager: <info> nm_policy_device_change_check:: old_dev has_link? 1 Aug 19 18:30:35 goa NetworkManager: <info> nm_policy_device_change_check:: old_dev && new_dev!! Aug 19 18:30:40 goa NetworkManager: <info> Error getting killswitch power: org.freedesktop.Hal.Device.KillSwitch.NotSupported - Access type not supported Aug 19 18:30:40 goa NetworkManager: <info> nm_policy_device_change_check:: old_dev has_link? 1 Aug 19 18:30:40 goa NetworkManager: <info> nm_policy_device_change_check:: old_dev && new_dev!! Aug 19 18:30:45 goa NetworkManager: <info> nm_policy_device_change_check:: old_dev has_link? 1 Aug 19 18:30:45 goa NetworkManager: <info> nm_policy_device_change_check:: old_dev && new_dev!! Aug 19 18:30:46 goa NetworkManager: <info> Error getting killswitch power: org.freedesktop.Hal.Device.KillSwitch.NotSupported - Access type not supported Aug 19 18:31:49 goa syslogd 1.4.1#21ubuntu2: restart.
Dont know if it will be useful but this lines are the last of syslog before the freeze:
Aug 19 18:30:19 goa NetworkManager: <info> nm_policy_ device_ change_ check:: old_dev has_link? 1 device_ change_ check:: old_dev && new_dev!! .Hal.Device. KillSwitch. NotSupported - Access type not supported device_ change_ check:: old_dev has_link? 1 device_ change_ check:: old_dev && new_dev!! .Hal.Device. KillSwitch. NotSupported - Access type not supported device_ change_ check:: old_dev has_link? 1 device_ change_ check:: old_dev && new_dev!! .Hal.Device. KillSwitch. NotSupported - Access type not supported device_ change_ check:: old_dev has_link? 1 device_ change_ check:: old_dev && new_dev!! .Hal.Device. KillSwitch. NotSupported - Access type not supported device_ change_ check:: old_dev has_link? 1 device_ change_ check:: old_dev && new_dev!! device_ change_ check:: old_dev has_link? 1 device_ change_ check:: old_dev && new_dev!! .Hal.Device. KillSwitch. NotSupported - Access type not supported
Aug 19 18:30:19 goa NetworkManager: <info> nm_policy_
Aug 19 18:30:20 goa NetworkManager: <info> Error getting killswitch power: org.freedesktop
Aug 19 18:30:24 goa NetworkManager: <info> nm_policy_
Aug 19 18:30:24 goa NetworkManager: <info> nm_policy_
Aug 19 18:30:28 goa NetworkManager: <info> Error getting killswitch power: org.freedesktop
Aug 19 18:30:29 goa NetworkManager: <info> nm_policy_
Aug 19 18:30:29 goa NetworkManager: <info> nm_policy_
Aug 19 18:30:34 goa NetworkManager: <info> Error getting killswitch power: org.freedesktop
Aug 19 18:30:35 goa NetworkManager: <info> nm_policy_
Aug 19 18:30:35 goa NetworkManager: <info> nm_policy_
Aug 19 18:30:40 goa NetworkManager: <info> Error getting killswitch power: org.freedesktop
Aug 19 18:30:40 goa NetworkManager: <info> nm_policy_
Aug 19 18:30:40 goa NetworkManager: <info> nm_policy_
Aug 19 18:30:45 goa NetworkManager: <info> nm_policy_
Aug 19 18:30:45 goa NetworkManager: <info> nm_policy_
Aug 19 18:30:46 goa NetworkManager: <info> Error getting killswitch power: org.freedesktop
Aug 19 18:31:49 goa syslogd 1.4.1#21ubuntu2: restart.