Date: Wed, 29 Jun 2011 11:01:23 -0700 From: Ed VanderPloeg <edv@agile.bc.ca> To: freebsd-acpi@FreeBSD.org Subject: Re: Atom N270 - ACPI Error: [RTMP] Namespace lookup failure Message-ID: <4E0B6873.6010901@agile.bc.ca> In-Reply-To: <4E0AF27B.3030600@FreeBSD.org> References: <4E0A50AA.5000003@agile.bc.ca> <4E0AF27B.3030600@FreeBSD.org>
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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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