From owner-freebsd-arm@freebsd.org Sun Apr 24 12:55:05 2016 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A5C91B10FE2 for ; Sun, 24 Apr 2016 12:55:05 +0000 (UTC) (envelope-from onwahe@gmail.com) Received: from mail-io0-x243.google.com (mail-io0-x243.google.com [IPv6:2607:f8b0:4001:c06::243]) (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 72D8A1651 for ; Sun, 24 Apr 2016 12:55:05 +0000 (UTC) (envelope-from onwahe@gmail.com) Received: by mail-io0-x243.google.com with SMTP id d62so9164844iof.1 for ; Sun, 24 Apr 2016 05:55:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc; bh=X+4zJBXhc8hdDGgGTRxAyg4/n4H1rRHcp9Tp1/eizIk=; b=NHXDT5Hei6fNciG9A40KTAk8nEJiPgPusfnMpJUUFZAM82idMqfq/BleZ2cNEwL5hN By2hexORaTdY1WsvQqCKM0iOuC5nNn6zVcrebTW8Kmn890npJExEguQNYrAkUkUarHlL bE2BIc5UTCGb4yarKlvxt6yoM9zGRO3EY8B9EH8hHpHqUzUiBdXf7u9TnpZQcu4QqTsp ZW2oSVicHD5mnKC7NtkHRWSWxmmgJKgpxzaor+qJ2WrMaqwKe9mkXqpdWFKh9keepwFO vvLop9dbRzwhaZmUyjXl+8gW64swyUfZWEIj9sWCpHq/6KOt/Wy/yX2WHTBfrXPrB12D /uOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc; bh=X+4zJBXhc8hdDGgGTRxAyg4/n4H1rRHcp9Tp1/eizIk=; b=EmKL1+DHzXk8zp6nmPFyzfdA9oJ/fSUoe+zGxkpnda4wo+fv9QaV5bq5nd+H4rpts/ HBnSmtOpSuNrlW35yWwdF+ajMLed9LPOsx+CIJeSWkl6AzJ8VvjCpdj6fKFt5Hrt0Mpd UZkAhHRZyz1E9WOV9/tOeQpD1VTF/P05JrASLzJ/hCJIPRbWz793IV7aqxAUPnXjJ3C5 sJLeZ5lNPxjIzG4q6VC/vachYOMhGUAfUNTk4Z7EALnK3hsQ0PGAu3ysRqAR8Vn60qRb d/uL/vJJ1MQ53o9d/NUPnWoLoCCGdPiPJbm4fX8dNDXqyRcCQmj5RN47I3pkX1NVuBid 0GQA== X-Gm-Message-State: AOPr4FX3rJALKi4jF5+os9QzNIFFOCmMRCF7AYr05Qy2PeyHQ+1KHD9VCpMfJNpk1Gs6QtJuQQMcEuwIVMe6lw== MIME-Version: 1.0 X-Received: by 10.107.142.18 with SMTP id q18mr11405711iod.84.1461502504859; Sun, 24 Apr 2016 05:55:04 -0700 (PDT) Received: by 10.64.93.100 with HTTP; Sun, 24 Apr 2016 05:55:04 -0700 (PDT) In-Reply-To: <571CA5AD.1090800@gmail.com> References: <571CA5AD.1090800@gmail.com> Date: Sun, 24 Apr 2016 14:55:04 +0200 Message-ID: Subject: Re: Mystical panic when RPI2 is left idle for a while From: Svatopluk Kraus To: "Jukka A. Ukkonen" Cc: freebsd-arm Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 Apr 2016 12:55:05 -0000 Can you provide the kernel which paniced? If you boot your rpi2 standard way, this is the file: /boot/kernel/kernel There are many anonymous - $a.9() and similar - functions - so the kernel is needed to better understand your backtrace. On Sun, Apr 24, 2016 at 12:53 PM, Jukka A. Ukkonen wrote: > > Hello all, > > I have a faint recollection that some others have also said > their RPI2 panics when it is left idle for too long. > Mine has been giving me those little surprises quite regularly, > but until I got a 3,3V serial console cable I have had no > chance to debug the problem any further. > I hope the attached backtrace is more informative to someone > else. All I was able to understand was that some process > apparently tries to sleep while it is not allowed to do that. > Maybe it is holding some locks or semaphores or something, > and does not release them before trying to sleep. > > --jau > > _______________________________________________ > freebsd-arm@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org"