> These messages appear every 10 seconds!
Do you have thermal polling turned on?
more /proc/acpi/thermal_zone/*/polling_frequency
Not that you should turn the polling off, but maybe every time a
thermal poll is run, the embedded controller (ec) does an UPDT, which
also means it looks at the battery state. And maybe the UPDT causes
the namespace AE_NOT_FOUND. Perhaps it didn't cause a problem before
because the default used to be ec_intr=0, and the ec worked fine with
that setting.
You could try booting with ec_intr=0 to see if it suppresses the
problem.
I've spent a while (see bugzilla #5989) debugging the consequences of
changing the default from ec_intr=0 to ec_intr=1 (which happened in
2.6.16-rc* sometime -- see the #5989 bugzilla entries for the exact
git commit id). Probably it's a good change in general -- I leave
that to the experts -- but it has certainly exposed a few troubles in
the mangy BIOS on my TP 600X.
-Sanjoy
`Never underestimate the evil of which men of power are capable.'
--Bertrand Russell, _War Crimes in Vietnam_, chapter 1.
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