By the way, I wonder if this problem is the same as
<http://bugzilla.kernel.org/show_bug.cgi?id=5037>, about S3 hangs with
kernel pre-empts enabled.
> How about re-testing dummy _PSV and dummy _AC0 in DSDT?
I'll do that. It's the one data point that I'm not sure about. With
dummy _PSV, it hangs, though it takes a bit of stressing it before it
hangs. But with dummy _PSV and dummy _AC0, I could not make it hang.
I tried it twice, each time stressing it as much as I could (about 10
or so cycles, with thermal polling thrown in as well as module loading
and unloading). Even though it didn't hang, it did get *very*
sluggish at times, and once woke up with load=8.2 even though no
processes were running. Lots of ACPI threads?
I'll test it just with sleep.sh, no thermal polling. Maybe also with
loading and unloading thermal.ko.
> How about just faking _TMP in DSDT. I'm sure you have done this
> before.
This one I've tried, and it worked fine (no hang). I tested it for a
while and then retested it. It also works fine if I take out just the
EC0.UPDT line in _TMP (with AC0 already taken out).
-Sanjoy
`Never underestimate the evil of which men of power are capable.'
--Bertrand Russell, _War Crimes in Vietnam_, chapter 1.
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