I confirm this on Mainboard Gigabyte GA-P35-DS4 with r8169.
After resume from S3 speed is 100Mbit/s.
r...@k1:/home/kede# ethtool eth0
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
Advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Full
Port: MII
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000033 (51)
Link detected: yes
The following command brings back 1000Mbit:
r...@k1:/home/kersten# ethtool -s eth0 speed 1000
The onboard LEDs and the switch indicate 1000 Mbit now.
The network-manager-applet from gnome however still shows 100mbit.
r...@k1:/home/kersten# ethtool eth0
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 auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: MII
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000033 (51)
Link detected: yes
--
Realtek RTL8111/8169 LAN (r8169) falls back from Gigabit to 100Mb/s after
waking up from Suspend(S3)
https://bugs.launchpad.net/bugs/331699
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