Arch Linux

w88dy

Member

Registered: 2017-07-26

Posts: 9

Wake On Lan (WOL) Intermittently working

I have an old workstation and I wanted to get the wake-on-LAN functionality working. I have followed the wiki (https://wiki.archlinux.org/index.php/Wake-on-LAN) and was really happy to get it working both locally and over the internet. However, I've found that the wake function only works intermittently. Sometimes the wake command will do nothing, and I've found I can correct this by either removing and re-plugging the LAN cable, or if that didn't fix it I'd have to remove the power source from the computer and re-insert that. One of those too solutions will then let me wake the PC again. This isn't local or internet waking dependent. They will either both work or both won't.

Any suggestions on how I might be able to correct or troubleshoot this?

graysky

Wiki Maintainer

From: :wq

Registered: 2008-12-01

Posts: 10,734

Website

Re: Wake On Lan (WOL) Intermittently working

I have only seen this type of behavior if there is a apower outage or if booting to another OS

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w88dy

Member

Registered: 2017-07-26

Posts: 9

Re: Wake On Lan (WOL) Intermittently working

I have only seen this type of behavior if there is a apower outage or if booting to another OS

Neither the case in my situation. Power is consistent and only Arch installed on the system.

After doing a fair bit of testing and troubleshooting it seems that the WOL won't work if I've used it to turn on the system, then powered off the system after leaving it at the login screen for a minute or two. If I log into my user or if I shutdown the system very quickly once the login screen appears it *appears* that WOL will work again for subsequent remote waking.