Public bug reported:
We have several OptiPlex 9020 (with i7-4770) from Dell and we don't have any
problems without WOL.
After activating WOL and disabling "Deep Sleep" in BIOS it is not possible to
shutdown the machines with Ubuntu. It's still possible to shutdown with Windows
7 (and WOL is working).
- On shutdown (from the GUI OR poweroff OR halt) Ubuntu shutdowns and the
computer is off for about 4 seconds, then it restarts (a normal restart is much
faster)
- After this: If the computer is switched off with the power button during the
bootmenu or before: the computer will reboot again like before
- After this: If the computer is switched off with the power button during the
bootmenu or before a SECOND time: the computer stay off, but WOL don't work
(The LED of the network card is on.)
- If the power button is pressed a few seconds during the login screen of
ubuntu (or later) to switch of the computer immediately: the computer doesn't
restart (In detail: the computer starts for two seconds again and goes out, but
I thinks it's normal for dell computer) and WOL works.
We have tested:
- Ubuntu 12.04 with all Updates (including backports)
- Ubuntu 12.04 Live CD
- Ubuntu 13.04 Live CD
- Ubuntu 13.10 Live CD
We tried to boot with acpi=noirq and disabling of WOL with ethtools (The
network cards are in 'g' mode by default.), too.
Sorry, I would provide some logs and further information, but I don't
know which are useful. Please feel free to ask.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1236420
Title:
OptiPlex 9020 and Wake-on-LAN: reboot instead of a shutdown
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