https://bugzilla.novell.com/show_bug.cgi?id=725980
https://bugzilla.novell.com/show_bug.cgi?id=725980#c4
--- Comment #4 from Jon Nelson 2011-10-25 12:30:52 UTC ---
I will try to answer both questions and add more detail:
The computer (a Lenovo ThinkPad T61p) is being used by my lovely wife.
She shut the machine down as she normally would, but then noted that shortly
after powering off (on the order of 1-3 seconds), it powered itself back up.
That's strange, she thought - I'm pretty sure I chose 'Shutdown' and not
'Reboot'. She is using KDE if that matters. This odd experience repeated itself
several times. We tried holding down the power button for 4 seconds. Shortly
after powering off, it would power up again. We tried setting the init program
to SystemV (unless otherwise specified it uses systemd), bringing the system
up, and then shutting it down again. No change. We tried 'tapping' the power
button at various boot stages (prior to grub) - no luck.
The *first* time this happened, we removed power (but remember, it is a laptop)
at which point it failed to complete booting the kernel (this is a
long-standing prior issue where this machine will not always boot under battery
power). However, after holding the power button for 4 seconds, *this* time it
stayed off. Weird! The "won't always boot under battery power" is posited to
be an ACPI issue for which I might refer you to (bug 581644).
Then the whole thing happened again. This time I went into the BIOS and checked
a few things - found nothing, but this time again it would actually stay off.
I have not had time to try the suggestion from Comment 1, nor have I tried
"halt" or "poweroff" from a console.
Prior 21 Oct 2011, I do not recall ever having experienced this. I have had the
laptop for more than three years, and have been using Linux exclusively since
the middle 1990's. Wacky!
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