From owner-freebsd-current@freebsd.org Sun Mar 25 20:09:38 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 36E76F692D1 for ; Sun, 25 Mar 2018 20:09:38 +0000 (UTC) (envelope-from markjdb@gmail.com) Received: from mail-io0-x22a.google.com (mail-io0-x22a.google.com [IPv6:2607:f8b0:4001:c06::22a]) (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 BFC987654A for ; Sun, 25 Mar 2018 20:09:37 +0000 (UTC) (envelope-from markjdb@gmail.com) Received: by mail-io0-x22a.google.com with SMTP id e79so20761339ioi.7 for ; Sun, 25 Mar 2018 13:09:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=XWJTc5w7gRp2iRQqN8UfSyJw3IcPF9vXpDw3OtYvvhA=; b=VOChhGKWFRxsngoRnrD53Oj97dCIs/XYmK81pRK4eEV8K1SuN+yWV9HtofmrO6lHuq wJWPXsabs4qWFHqrnZ1rDVIezIlqIXGFhIjs6XUWF9Y1MIrVX+LE6BOIldpBNs8R7hKK qBLBz/kRvkEDxOIL1Bt8Dz5guerYJWE5TaNCA/0tCm2d0vjHjbvHVXl7ZMsHrNc4jC0J ZhUEJxUqn02NC0l+8rQIGAUchsxRvPuXbd6lDnWiDZnEgvITZPDw2x0LGO30amGMWfko 4NN004BDzcxoTGGG3OvLGdsge6OdLMGmcTGfmsKf4CG3t4XFvfXmO6CVCsipHk5dCplB hejA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=XWJTc5w7gRp2iRQqN8UfSyJw3IcPF9vXpDw3OtYvvhA=; b=pzzkhGEjQTJb4dTL2k3v4jNzBqeI0C+WAc2D/1K59+brYZya/c/cKQIdVkigwAXOEe 5+UqnIR5ZyIkBZc7NLO3Gnyts6P+9wWaeg9HaIHySnDlsKnL6vzb02hmQ5J7PShBmb4Y vD5+MXn9+ayJz3XVUMPzXhpKKdzJKdfdeihZZtbyN3zqi6IP8IZqhn/eLezPE7XOGQ4O QFmsnEbBBAkg3k122L6cSmiMQkYx3xe5dWmYvOOBBJLj/B1be7PdVKzsS4QkRxV4zJ1l 4chyA/PxbQZdEBzJ5rDU1a6pK+WE5SMqxL6xVaQh5Z8S+v5CbQC+SlixLDd+fO0kDUkF 3xSw== X-Gm-Message-State: AElRT7EtX0SoIc2R9cNhZp1K4P9TVOqc9JR0WomHLEm1KrB8SFbYvLoQ u6wf4zMLeJwsvKyxHk0ojfo= X-Google-Smtp-Source: AG47ELthJNnEK/iMJxTN1WqgPODu6+E9C//+9oOzHH30mqm+JTwyMfUkqC3e8p8ZI2d+sKhtVep/DQ== X-Received: by 10.107.178.129 with SMTP id b123mr39995246iof.9.1522008577065; Sun, 25 Mar 2018 13:09:37 -0700 (PDT) Received: from raichu (toroon0560w-lp130-01-174-88-76-83.dsl.bell.ca. [174.88.76.83]) by smtp.gmail.com with ESMTPSA id z66-v6sm8883758itg.37.2018.03.25.13.09.35 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 25 Mar 2018 13:09:36 -0700 (PDT) Sender: Mark Johnston Date: Sun, 25 Mar 2018 16:09:34 -0400 From: Mark Johnston To: Mark Millard Cc: FreeBSD Current Subject: Re: head -r331499 amd64/threadripper panic in vm_page_free_prep during "poudriere bulk -a", after 14h 22m or so. Message-ID: <20180325200934.GC74365@raichu> References: <8D9C49CB-957E-40A5-8EB0-D90D8AC02060@yahoo.com> <20180325183421.GA74365@raichu> <44821CA4-19C2-4265-8E83-568452DF6471@yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <44821CA4-19C2-4265-8E83-568452DF6471@yahoo.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Mar 2018 20:09:38 -0000 On Sun, Mar 25, 2018 at 12:32:09PM -0700, Mark Millard wrote: > On 2018-Mar-25, at 11:34 AM, Mark Johnston wrote: > > > On Sun, Mar 25, 2018 at 10:41:38AM -0700, Mark Millard wrote: > >> FreeBSD panic'd while attempting to see if a "poudriere bulk -w -a" > >> would get the "unnecessary swapping" problem in my UFS-only context, > >> -r331499 (non-debug but with symbols), under Hyper-V. This is a > >> Ryzen Threadripper context, but I've no clue if that is important > >> to the problem. This was after 14 hours or so of building: > >> > >> . . . > >> [14:22:05] [18] [00:01:16] Finished devel/p5-Test-HTML-Tidy | p5-Test-HTML-Tidy-1.00_1: Success > >> [14:22:08] [18] [00:00:00] Building devel/ocaml-camlp5 | ocaml-camlp5-6.16 > >> > >> So I've no clue if or how to repeat this. > >> > >> Unfortunately dump was unsuccessful. > > > > What happened? > > It reported: > > (da1:strovsc1:0:0:0) WRITE(10). CDB 2a 00 35 24 37 c7 00 00 0 00 > (da1:storvsc1:0:0:0) CAM status Command timeout > (da1:storvsc1:0:0:0) Error 5, Retries exhausted > Aborting dump to to I/O error. > > ** DUMP FAILED (ERROR 5) ** > = 0x5 Thanks. Do you happen to know if this occurs consistently under Hyper-V? > >> So all I have is the > >> backtrace. Hand typed from a screen shot of the console > >> window: > > > > Do you know what the panic message was? There are multiple calls to > > panic() in vm_page_free_prep(). > > No. I listed what I could see. The console screen does not have many > lines or rows and I was sleeping when the panic happened. For future reference, you should be able to use "show panic" at the DDB prompt to get the panic message.