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** This bug is no longer a duplicate of bug 1018933
1969:1083 NetworkManager does not connect eth0 -- atl1c
** Changed in: network-manager (Ubuntu)
Status: New = Incomplete
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Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/880623
Title:
NM fails to configure wired interface (but only when connected to
router, not when connected to a laptop)
Status in “network-manager” package in Ubuntu:
Incomplete
Bug description:
I just installed Ubuntu 11.10 on a pc with a Realtek ethernet card (Ltd.
RTL8111/8168B PCI Express Gigabit Ethernet controller). Everything is fine
except the wired connection doesn't work :/
The problem occurs when connecting the PC directly to the router via the
ethernet cable. But if I connect the PC to the laptop via the ethernet cable
and use the laptop wifi connection, I can connect the PC to internet through
the laptop, so the problem it's not the network card or the ethernet cable.
Previously on the PC I had an Ubuntu 9 connected directly to the router and
everything worked just fine. There's a Windows on the PC, with whom the wired
connection works fine.
In /var/log/syslog I see this when I connect the PC to the router:
Oct 25 01:22:37 ramiro-MS-7501 NetworkManager[2637]: info (eth0): bringing
up device.
Oct 25 01:22:37 ramiro-MS-7501 avahi-daemon[927]: Joining mDNS multicast
group on interface eth0.IPv4 with address 192.168.1.10.
Oct 25 01:22:37 ramiro-MS-7501 avahi-daemon[927]: New relevant interface
eth0.IPv4 for mDNS.
Oct 25 01:22:37 ramiro-MS-7501 avahi-daemon[927]: Registering new address
record for 192.168.1.10 on eth0.IPv4.
Oct 25 01:22:37 ramiro-MS-7501 NetworkManager[2637]: info (eth0): preparing
device.
Oct 25 01:22:37 ramiro-MS-7501 NetworkManager[2637]: info (eth0):
deactivating device (reason 'managed') [2]
Oct 25 01:22:37 ramiro-MS-7501 kernel: [ 1523.632316] r8169 :02:00.0:
eth0: link down
Oct 25 01:22:37 ramiro-MS-7501 kernel: [ 1523.633996] ADDRCONF(NETDEV_UP):
eth0: link is not ready
Sometimes it's:
Oct 24 05:00:33 ramiro-MS-7501 kernel: [ 2475.020415] r8169 :02:00.0:
eth0: link down
Oct 24 05:00:33 ramiro-MS-7501 kernel: [ 2475.022080] ADDRCONF(NETDEV_UP):
eth0: link is not ready
Oct 24 05:00:37 ramiro-MS-7501 NetworkManager[936]: info enable requested
(sleeping: no enabled: no)
Oct 24 05:00:37 ramiro-MS-7501 NetworkManager[936]: info waking up and
re-enabling...
Oct 24 05:00:37 ramiro-MS-7501 NetworkManager[936]: info (eth0): now managed
Oct 24 05:00:37 ramiro-MS-7501 NetworkManager[936]: info (eth0): device
state change: unmanaged - unavailable (reason 'managed') [10 20 2]
Oct 24 05:00:37 ramiro-MS-7501 NetworkManager[936]: info (eth0): preparing
device.
Oct 24 05:00:37 ramiro-MS-7501 NetworkManager[936]: info (eth0):
deactivating device (reason 'managed') [2]
So it seems a Network-manager issue...
I have tried changing the options on the Edit connections dialog
(deactivating IPv6, setting a static IP for the wired connection
instead of DHCP, etc). I even tried removing the R8169 module and
compiling and loading the R8168 module instead but nothing worked,
still no connection to the router.
When this happens, route shows nothing, and sudo route add defaut
gw 192.168.1.1 returns an error (SIOCADDRT: No such process)
Ethtools returns:
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Advertised pause frame use: Symmetric Receive-only
Advertised auto-negotiation: Yes
Speed: 10Mb/s
Duplex: Half
Port: MII
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x0033 (51)
drv probe ifdown ifup
Link detected: no
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