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SubjectACPI ERROR SMBus or IPMI write requires Buff of len 66, found 32...???? linux-3.0.0


Was looking through boot log messages, and this one seemed 'new'...

is this saying that the device requires 66, but the driver allocated 32
bytes?

Or the opposite: i.e. driver requires 66 (according to some new
standard**) but the
device from 2009, has the 2009 standard of 32?

Just a WAG, but 20110413 looks like a date, that is certainly newer than
the system, though
it has had firmware upgrades (though none in the past 6 months or so...)...

Seems like a weird thing to be changed across drivers while not
providing for some backward
compat, but that's purely based on a notion that there's a driver/hw
version mismatch now
when before, there were no such error messages (maybe the error message
is new, and it's
always been broken? ;-) )...

as subj says linux-3.0.0, stock vanilla + the latest IMQ networkfilter
patch.
X64

[ 13.722612] ACPI Error: SMBus or IPMI write requires Buffer of length
66, found length 32 (20110413/exfield-285)
[ 13.733078] ACPI Error: Method parse/execution failed
[\_SB_.PMI0._GHL] (Node ffff880616962b18), AE_AML_BUFFER_LIMIT
(20110413/psparse-536)
[ 13.746189] ACPI Error: Method parse/execution failed
[\_SB_.PMI0._PMC] (Node ffff880616962a78), AE_AML_BUFFER_LIMIT
[ 13.755322] dca service started, version 1.12.1[ 13.761822]
(20110413/psparse-536)
[ 13.765509] ACPI Exception: AE_AML_BUFFER_LIMIT, Evaluating _PMC
(20110413/power_meter-773)

Did something that would cause this? I haven't determined what the
impact of the above
problem is -- it might be some status progs no longer work OR maybe
never worked, and now
may have a clue... ? Any insights?





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