[PATCH 0/1][SRU][N] r8169 can not wake on LAN via SFP moudule

AceLan Kao acelan.kao at canonical.com
Thu Oct 2 00:56:07 UTC 2025


From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>

BugLink: https://bugs.launchpad.net/bugs/2123901

[Impact]
Can not wake on LAN via Realtek SFP moudule.

[Fix]
Realtek provides a patch to fix this issue
https://patchew.org/linux/20250904021123.5734-1-hau@realtek.com/

Which is included in linux-next
bf7154ffb1c65 r8169: set EEE speed down ratio to 1

[Test]
1. On the machine with Realtek SFP module, enable Wake-On-Lan
   $ sudo ethtool --change <your interface name> wol g
2. To power on the machine from remote
   $ wakeonlan -i <ip address> <MAC address>

[Where problems could occur]
This patch reduce the value of EEE speed down ratio. From the commit
message, it may only affect the power consumption a little bit.

ChunHao Lin (1):
  r8169: set EEE speed down ratio to 1

 drivers/net/ethernet/realtek/r8169_main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

-- 
2.43.0




More information about the kernel-team mailing list