Wake on LAN wakes computer twice

Small_Penguin · Tux's lil' helper Joined: 27 May 2005 Posts: 140

Hi, I've got the following problem with Wake on LAN on Linux 3.4.4:

Steps to reproduce:
1) Send machine to suspend mode (S3)
2) Wake up via WOL
3) Send machine to suspend mode (S3)
4) Machine wakes up immediately after going to suspend
5) Send machine to suspend mode (S3) => machine sleeps

If not waken by WOL but USB event (keystroke), everything's fine.
It seems like some flag is not cleared after wake up. I've tried setting ethtool -s eth0 wol d after 2), but it doesn't help (it is set, see below).
The same setup worked fine with the previous mainboard.

Here is output of ethtool eth0 after step 2:

diddly · Posted: Sat Mar 29, 2014 11:45 am Post subject:

Sorry to wake up an old thread, but did you ever get this solved? I see a very similar posting (possibly you?) on bbs.archlinux from last fall. I have the same issue on a MSI H87/G43 mainboard.
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Dave Flogeras

Small_Penguin · Tux's lil' helper Joined: 27 May 2005 Posts: 140

No, the issue remains unsolved.

diddly · Posted: Sat Mar 29, 2014 12:03 pm Post subject:

May I ask what your mainboard and BIOS are? At the very least it might help some other users to avoid buggy hw.
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Dave Flogeras

d_leahcim · n00b Joined: 02 Apr 2014 Posts: 2

I had the same problem here with a Shuttle DS61, but adding "acpi=noirq" to the grub command line solved it for me (from http://ubuntuforums.org/showthread.php?t=2188726)

diddly · Posted: Sat Apr 05, 2014 1:24 pm Post subject:

Hmm, unfortunately when I tried acpi=noirq, or pci=noacpi, the kernel does not boot (just black screen).

Might be because I'm using an EFI only boot and ACPI is necessary?
_________________
Dave Flogeras

d_leahcim · n00b Joined: 02 Apr 2014 Posts: 2

Unfortunately, I have no experience with EFI boots; it sounds like it might be a bug, though (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1129511)

For completeness' sake, however, I realized with a fresh install of a second Shuttle DS61 that "acpi=noirq" by itself wasn't enough. On the first machine, I had also installed Realtek's r8168 network driver in my quest to solve the wakeup issues.

diddly · Posted: Wed Apr 09, 2014 9:21 pm Post subject:

Hmm, I didn't realize there was an out-of-tree r8168 driver. I tried it, but same problem.

Then I tried switching to legacy BIOS + grub, and it didn't make any difference.

Then I checked that I was using the latest firmware for the in-kernel r8169 driver, and I am.

Then I removed the other NIC (the off-mainboard one) in case that was somehow interfering, problem still persists.

Then I moved my cards around, on the off-chance that it was 1992 again and that would fix the problem, it didn't.

I've even tried WOL on a different (Intel E100) card and it still does the double wake up, which leads me to believe it is not the r8169 hardware, but the ACPI bios itself.

I tried again, disabling the on-board NIC in the BIOS and the problem is still present.

The funny thing, is I _swear_ it didn't exhibit this behaviour when I first got the motherboard (last June). But I'm only 70% sure of that.
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Dave Flogeras