O Ubuntu está preparado para Ethernet com eficiência energética ?
Eu tentei me conectar a um switch EEE de 1 Gbit, mas ele falhou, diz o syslog:
NetworkManager[1041]: <info> (eth0): deactivating device (reason 'carrier-changed')
Conectei-me com êxito a comutadores de 100MBit e 1GBit sem EEE.
Se eu forçar o uso de 100MBit:
sudo mii-tool -F 100baseTx-FD
funciona.
Aqui está a saída de sudo mii-tool -v -v
:
para conexão com comutador de 100 Mbit :
Using SIOCGMIIPHY=0x8947
eth0: negotiated 100baseTx-FD flow-control, link ok
registers for MII PHY 1:
1140 796d 006e 3211 0de1 45e1 0007 2001
0000 0300 0000 0000 0000 0000 0000 3000
0000 6c40 0000 5c50 0080 0000 0000 0000
2d00 4177 1000 0004 0000 0000 0030 e088
product info: vendor 00:1b:8c, model 33 rev 1
basic mode: autonegotiation enabled
basic status: autonegotiation complete, link ok
capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
advertising: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
link partner: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
para conexão com um comutador regular de 1 Gbit :
Using SIOCGMIIPHY=0x8947
eth0: negotiated 1000baseT-FD flow-control, link ok
registers for MII PHY 1:
1140 796d 006e 3211 0de1 c5e1 000f 2001
4d07 0300 3800 0000 0000 0000 0000 3000
0000 ac40 0000 5c18 0001 0000 0000 3633
2d00 4177 1000 0004 0000 0000 0030 e088
product info: vendor 00:1b:8c, model 33 rev 1
basic mode: autonegotiation enabled
basic status: autonegotiation complete, link ok
capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
advertising: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
link partner: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
para conexão com comutador EEE de 1 Gbit :
Using SIOCGMIIPHY=0x8947
eth0: no link
registers for MII PHY 1:
1140 7949 006e 3211 0de1 cde1 000d 2001
0000 0300 0c00 0000 0000 0000 0000 3000
0000 2000 0000 3850 0000 0000 0000 0000
2d00 4177 1000 0004 0000 0000 0030 e088
product info: vendor 00:1b:8c, model 33 rev 1
basic mode: autonegotiation enabled
basic status: no link
capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
advertising: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
link partner: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
Aqui está a saída de lspci -nnk | grep -iEA3 "(ethernet|network)"
:
04:00.5 Ethernet controller [0200]: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller [197b:0250] (rev 03)
Subsystem: CLEVO/KAPOK Computer Device [1558:5130]
Kernel driver in use: jme
Kernel modules: jme
05:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 1000 [8086:0083]
Subsystem: Intel Corporation Centrino Wireless-N 1000 BGN [8086:1305]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
uname -a
:
Linux user-B5130M 3.2.0-48-generic #74-Ubuntu SMP Thu Jun 6 19:43:26 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux