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The following reply was made to PR kern/42051; it has been noted by GNATS.
From: Arto Huusko <arto.huusko%pp2.inet.fi@localhost>
Subject: Re: kern/42051
Date: Mon, 14 Sep 2009 21:09:13 +0300
dmesg and ACPI dump of the machine attached.
I did some further testing:
- suspending the machine by setting machdep.sleep_state=3
from command line does not break lid switch. After suspending,
and resuming, the lid switch works, but only once again.
- After suspending via lid switch, and then resuming, the
machine can be suspended and resumed again by manually
setting machdep.sleep_state. So even though lid switch
does not work anymore, suspend/resume in general is not
- After suspending and resuming via lid switch, powerd process
wchan is kqueue. From a quick look at the code, it seems that
the lid_switch script returns normally after resume, and powerd
resumes waiting for more events.
So it seems that after using lid switch once, the kernel no longer
reports further lid switch events to powerd.
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