[Pkg-utopia-maintainers] Bug#514943: Bug#514943: network-manager: wired connection remains with wireless associated and no cable

[Michael Biebl]

Drew Parsons schrieb:
> On Thu, 2009-02-12 at 07:57 +0100, Michael Biebl wrote:
> 
>> What driver do you use?
>> What does nm-tool say for eth0, is carrier detect supported?
>>
> 
> Driver for eth0 is e1000e,  Carrier Detect:  yes
> 
> The wlan0 driver is iwlagn.
> 
> 
>> You might also check the syslog .
> 
> syslog says before the new kernel, nm would bring eth0 up at home, and
> then deactivate it:
> 
> Jan 31 21:47:50 pug NetworkManager: <info>  Waking up...
> Jan 31 21:47:50 pug NetworkManager: <info>  (eth0): now managed
> Jan 31 21:47:50 pug NetworkManager: <info>  (eth0): device state change:
> 1 -> 2
> Jan 31 21:47:50 pug NetworkManager: <info>  (eth0): bringing up device.
> Jan 31 21:47:50 pug kernel: [31790.172718] ADDRCONF(NETDEV_UP): eth0:
> link is not ready
> Jan 31 21:47:50 pug NetworkManager: <info>  (eth0): preparing device.
> Jan 31 21:47:50 pug NetworkManager: <info>  (eth0): deactivating device
> (reason: 2).
> Jan 31 21:47:50 pug NetworkManager: <info>  (wlan0): now managed
> Jan 31 21:47:50 pug NetworkManager: <info>  (wlan0): device state
> change: 1 -> 2
> Jan 31 21:47:50 pug NetworkManager: <info>  (wlan0): bringing up device.
> ...
> Jan 31 21:50:09 pug NetworkManager: <info>  (wlan0): preparing device.
> Jan 31 21:50:09 pug NetworkManager: <info>  (wlan0): deactivating device
> (reason: 2).
> Jan 31 21:50:09 pug kernel: [31929.475088] ADDRCONF(NETDEV_UP): wlan0:
> link is not ready
> Jan 31 21:50:09 pug kernel: [31929.488461] wlan0: authenticate with AP 
> 
> Does "reason 2" means "no cable"?  Nothing more was said about eth0.  It
> continued from "wlan0: authenticate with AP" and the wireless interface
> got established.
> 
> 
> With the new kernel, syslog starts reporting the same, including
> "(eth0): deactivating device (reason: 2)".  But then a second later it
> continues on saying:
> 
> Feb 12 00:35:14 pug NetworkManager: <info>  (wlan0): preparing device.
> Feb 12 00:35:14 pug NetworkManager: <info>  (wlan0): deactivating device
> (reason: 2).
> Feb 12 00:35:14 pug kernel: [ 8875.187423] ADDRCONF(NETDEV_UP): wlan0:
> link is not ready
> Feb 12 00:35:14 pug NetworkManager: <info>  (eth0): carrier now ON
> (device state 2)
> Feb 12 00:35:14 pug NetworkManager: <info>  (eth0): device state change:
> 2 -> 3
> Feb 12 00:35:14 pug NetworkManager: <info>  (wlan0): device state
> change: 2 -> 3
> Feb 12 00:35:14 pug NetworkManager: <info>  Activation (eth0) starting
> connection 'ANU wired'
> Feb 12 00:35:14 pug NetworkManager: <info>  (eth0): device state change:
> 3 -> 4
> Feb 12 00:35:14 pug NetworkManager: <info>  Activation (eth0) Stage 1 of
> 5 (Device Prepare) scheduled...
> ...
> Feb 12 00:35:15 pug NetworkManager: <info>  (eth0): device state change:
> 7 -> 8
> Feb 12 00:35:15 pug NetworkManager: <info>  (eth0): writing resolv.conf
> to /sbin/resolvconf
> Feb 12 00:35:27 pug NetworkManager: <info>  Policy set (eth0) as default
> for routing and DNS.
> 
> 
> These eth0 entries are new. I guess "(eth0): carrier now ON" is the
> start of the trouble.  Only after this do I get to the "wlan0:
> authenticate with AP" step.  There are also some new wlan0 steps between
> "set (eth0) as default" and "authenticate with AP", including:
> 
> Feb 12 00:35:27 pug NetworkManager: <info>  Activation (eth0)
> successful, device activated.
> Feb 12 00:35:27 pug NetworkManager: <info>  Activation (eth0) Stage 5 of
> 5 (IP Configure Commit) complete.
> Feb 12 00:35:27 pug NetworkManager: <info>  (wlan0): supplicant
> interface state change: 1 -> 2.
> Feb 12 00:35:29 pug NetworkManager: <info>  Activation (wlan0) starting
> connection 'myAP'
> Feb 12 00:35:29 pug NetworkManager: <info>  (wlan0): device state
> change: 3 -> 4
> Feb 12 00:35:29 pug NetworkManager: <info>  Activation (wlan0) Stage 1
> of 5 (Device Prepare) scheduled...
> 
> 
> Is that enough detail or do you need full logs?
> 

NM checks

/sys/class/net/*/carrier

What does that say [1] one your system, when eth0 is connected/disconnected?

Cheers
Michael

[1] cat /sys/class/net/eth0/carrier
-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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