Date: Thu, 2 Jun 2016 10:13:22 -0700 From: "Lundberg, Johannes" <johannes@brilliantservice.co.jp> To: Hans Petter Selasky <hps@selasky.org> Cc: FreeBSD Current <freebsd-current@freebsd.org>, "freebsd-usb@freebsd.org" <freebsd-usb@freebsd.org> Subject: Re: Panic when doing installworld/kernel with DESTDIR=USB memory Message-ID: <CAASDrVkC4p13a%2BUV5G=Z9YTuzwjgJDOeMjbw0p0k7xdoxToTpw@mail.gmail.com> In-Reply-To: <f6043563-5641-92f7-c8d3-b60307f42fa7@selasky.org> References: <CAASDrVnJnOQeVEb3p8g6NE-tjTK3ZVrCjT2CxEvDXObtw8A3Jw@mail.gmail.com> <f6043563-5641-92f7-c8d3-b60307f42fa7@selasky.org>
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Thu, 2 Jun 2016 17:26:23 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: from mail-it0-x229.google.com (mail-it0-x229.google.com [IPv6:2607:f8b0:4001:c0b::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 09D4F17ED for <freebsd-current@freebsd.org>; Thu, 2 Jun 2016 17:26:23 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: by mail-it0-x229.google.com with SMTP id i127so57539987ita.1 for <freebsd-current@freebsd.org>; Thu, 02 Jun 2016 10:26:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc; bh=tpU9mICy7jzSAG21Y3eRzVBiqRp/4jLAx0xPk9l061c=; b=HB4Mf37iOVMw9dzyGYht2gGVAIXHRygrRlnYwsRyPFw9egQ47FYV2/WsdLXQluoCnk GXkhzrSXlDz8EZi4hUOhrtAelKw6p9NSF44qSCZxE32ZWRP/++kEicoILNzd712/qddR CA4chXx83wJh9vPCijMzlGB+iHmtzdj/TLxFP+nQEbuQmERXqmgwrO1UC7XymxETWO8N VCAq2Ho8P3j4v1/klR6PI8g0l1YRi+PDlcfSCfTiHsxmFKf+J4CxE/uVvLruPvxdkLDw O/ySW8R64R3W8ervx7yXkqr8el2PLCtG6OylTiduPNpwR4q0aPVsMygFwFj7nhjlZdN7 eBnA== X-Google-DKIM-Signature: v=1; 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charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.22 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Discussions about the use of FreeBSD-current <freebsd-current.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-current>, <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current/>; List-Post: <mailto:freebsd-current@freebsd.org> List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-current>, <mailto:freebsd-current-request@freebsd.org?subject=subscribe> X-List-Received-Date: Thu, 02 Jun 2016 17:26:23 -0000 On Thu, Jun 2, 2016 at 7:41 AM, Hans Petter Selasky <hps@selasky.org> wrote: > 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 The relevant information is probably found in dev.cpu. That is where all temperature information is located as it is per-CPU, not per-system. Of particular interest is dev.cpu.0.cx_lowest, dev.cpu.0.cx_supported, and dev.cpu.0.freq_levels. A snapshot of dev.cpu.0 when the fan has cranked up, but before shutdown would be nice, too. I see no hw.acpi.thermal information. This is very odd. These values indicate what the system will do and is doing if it starts getting too hot. Is coretemp loaded? It is required to see the core temperatures and those are almost certainly significant. It may account for the lack of thermal information. Finally, a dmesg might be useful as it will tell us more about just what thermal control techniques are enabled. Just to explain a bit on how this should work: when the temperature exceeds some BIOS defined point, the system should "throttle" by pausing one of every 8 clock cycles. If that does not fix the problem, the it rests for two of every 8 and so on until the temperature is reduced. If it continues to rise and reaches another BIOS set point, it will initiate an emergency shutdown. If it reaches a CPU defined temperature, the power will shut off immediately. Note that this is entirely a hardware function with no BIOS or OS involvement. It should NEVER happen in normal operation as it is triggered by a significant overtemp that threatens to destroy the CPU. I've only seen it once when the CPU heat sink came loose on an old P4 system several years ago. I should mention that I have zero experience with Apple hardware and it is possible that they do some things differently than I have seen on other hardware. -- Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683
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