Re: ACPI Error: AE_NO_HARDWARE_RESPONSE

j.e.drews_at_att.net
Date: 06/02/04

  • Next message: Joseph Davida: "Installing Java2 SDK" 
    To: Nate Lawson <nate@root.org>
Date: Wed, 02 Jun 2004 01:17:47 +0000

    Hi Nate:

     I made the polling adjustment that you suggested:
    sysctl hw.acpi.thermal.polling_rate=1

    and then ran the script while compiling qt33 and Mozilla at the same time. the initial reading was at: hw.acpi.thermal.tz0.temperature: 3112
    the high temps were:
    hw.acpi.thermal.tz0.temperature: 3242
    hw.acpi.thermal.tz0.temperature: 3252

    the fan kicked on at 3232. I could not get the error again, even though I ran the computer under load for quite a while.

    The output of acpidump -t -d > pwrnotebooks-C.asl is here:

    http://www.silbsd.org/bugreports/pwrnotebooks-C.asl

    it was too many lines to post to the list. Let me try a few more things with to tease out this error message again.

                                   Kind regards
                                   Jonathan

    > This means the EC timed out while reading the current temp. I'm not sure
    > what is causing this. Try setting:
    >
    > sysctl hw.acpi.thermal.polling_rate=1
    >
    > This makes the thermal poll run every second. And then run this script:
    >
    > #!/bin/sh
    > while [ 1 ]; do
    > sysctl hw.acpi.thermal.tz0.temperature
    > sleep .1
    > done
    >
    > This polls the temp over and over to see if it can reproduce the error.
    > Don't worry, this error only means your temp reading will be incorrect (no
    > system damage will occur). Let me know how often the errors appear. Try
    > loading the system with some other apps if the errors don't appear.
    >
    > Also, send me the output of so I can see your notebook's config:
    > acpidump -t -d > pwrnotebooks-C.asl
    >
    > -Nate
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