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Subject: Re: Suddenly poweroff in 11-Current r300097
To: RayCherng Yu <raycherng@gmail.com>, freebsd-current@freebsd.org
References: <CAG2Wu4OtrDxRWMtYhOt2RNCEjryYuZzhYE=-WKH3t-153M9jJA@mail.gmail.com>
From: Hans Petter Selasky <hps@selasky.org>
Message-ID: <0448c751-8608-51ce-f47e-76280ebf14f2@selasky.org>
Date: Thu, 2 Jun 2016 16:41:43 +0200
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On 06/02/16 03:07, RayCherng Yu wrote:
> I got a suddenly poweroff in r300097 (and previous revision in April and
> May) when I built textproc/docproj.
> My machine is Macbook Pro 13 2011 early. I have checked the Apple website.
> My bios is the latest version.
> Actually it also happened in 10.3-STABLE.
> It happened when the machine load was heavy. Before it shutdown, the fan
> started to run very loudly. After several seconds (20 or 30 seconds), my
> laptop shutdown (poweroff directly) suddenly. It seems not happen with the
> AC power supply connected.
>
> I installed both Mac OSX and FreeBSD (dual boot). It never happened in Mac
> OSX.
>
> My dmesg:
> http://pastebin.com/QjZmbGCB
>
> My sysctl hw.acpi:
>
> hw.acpi.acline: 0
> hw.acpi.battery.info_expire: 5
> hw.acpi.battery.units: 1
> hw.acpi.battery.state: 1
> hw.acpi.battery.time: 87
> hw.acpi.battery.life: 59
> hw.acpi.cpu.cx_lowest: C8
> hw.acpi.reset_video: 0
> hw.acpi.handle_reboot: 1
> hw.acpi.disable_on_reboot: 0
> hw.acpi.verbose: 0
> hw.acpi.s4bios: 0
> hw.acpi.sleep_delay: 1
> hw.acpi.suspend_state: S3
> hw.acpi.standby_state: NONE
> hw.acpi.lid_switch_state: NONE
> hw.acpi.sleep_button_state: S3
> hw.acpi.power_button_state: S5
> hw.acpi.supported_sleep_state: S3 S4 S5
>

Hi,

Do you have a temperature sysctl? Usually FreeBSD will shutdown the 
system if the ACPI temperature exceeds some value. Maybe it would be 
better to reduce the CPU load when the temperature goes up instead of 
facing a shutdown?

--HPS