On 2011-06-29 2:38 AM, Andriy Gapon wrote:
on 29/06/2011 01:07 Ed VanderPloeg said the following:
I'm using an Aaeon AEC-6831 embedded system based on an Intel Atom N270, which
uses their GENE-9455 motherboard. After updating the BIOS to enable ACPI, I'm
now getting the following (verbose) console message during boot and every 10
seconds thereafter:
ACPI Error: [RTMP] Namespace lookup failure, AE_NOT_FOUND (20101013/psargs-464)
ACPI Error: Method parse/execution failed [\_TZ_.THRM._TMP] (Node 0xc56b0760),
AE_NOT_FOUND (20101013/psparse-633)
acpi_tz0: error fetching current temperature -- AE_NOT_FOUND
The problem is that RTMP is defined as an external object:
External (RTMP, IntObj)
so it's supposed to come from an additional table, but apparently either no
additional table defines it or a necessary additional table is not loaded.
This could be either a BIOS problem or... something else :)
Aaeon tech support has now stated that the errors are from a faulty
BIOS, and that AWARD will eventually release an update to fix this.
The unit seems to run very warm which makes me wonder if this problem is
preventing lower power states, if such things are related.
I've collected the outputs from a verbose dmesg, from sysctl hw.acpi, and from
acpidump. They are zipped up over here:
http://www.agilecontrols.com/post/aec6831_acpi.zip
Try either recent stable/8 or head (aka CURRENT) and see if it helps. They
contain a change that may be a work-around for a BIOS (ACPI tables) like yours.
I'll give stable/8 a try.
Does this error indicate something potentially harmful, or if it is
benign? I can silence the messages easy enough until a BIOS update
comes out.
Ed
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