Date: Wed, 29 Jun 2011 22:45:02 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Ed VanderPloeg <edv@agile.bc.ca> Cc: freebsd-acpi@FreeBSD.org Subject: Re: Atom N270 - ACPI Error: [RTMP] Namespace lookup failure Message-ID: <4E0B80BE.6080605@FreeBSD.org> In-Reply-To: <4E0B6873.6010901@agile.bc.ca> References: <4E0A50AA.5000003@agile.bc.ca> <4E0AF27B.3030600@FreeBSD.org> <4E0B6873.6010901@agile.bc.ca>
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on 29/06/2011 21:01 Ed VanderPloeg said the following: > 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. OK. >>> 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. Actually I was speaking about potentially making est driver attach on your system. I also suspected that RTMP might have gotten loaded from the same dynamic table that is related to est attachment issue, but apparently that was not going to happen. -- Andriy Gapon
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