From owner-freebsd-current@freebsd.org Sun Mar 25 18:34:27 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 93049F61A5B for ; Sun, 25 Mar 2018 18:34:27 +0000 (UTC) (envelope-from markjdb@gmail.com) Received: from mail-it0-x22d.google.com (mail-it0-x22d.google.com [IPv6:2607:f8b0:4001:c0b::22d]) (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 2592D72E64 for ; Sun, 25 Mar 2018 18:34:27 +0000 (UTC) (envelope-from markjdb@gmail.com) Received: by mail-it0-x22d.google.com with SMTP id z7-v6so10198409iti.1 for ; Sun, 25 Mar 2018 11:34:27 -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=lYFv2VjjBpzdWG4wH/bwmAvtSaFdHcckPR97cR1EMmY=; b=A7+Fihm0W90UeaVB0gklrzAZ57TK/r9PPLiQS34m+ei2phGOp+ow1RRsJsVwgFOQhQ KQZll5/sI9jBPg4tUWz8hefWxOKWMz9IwKty66LSIqeMNMfrgP/VdsYl59ArOxF7IPHc rrVNVSG3dbB5atY0tRyqj0v1NGFDEwwXNfV7MlqID/Z9ZiZsnpWYLt0PHf+S4dJ9flWe 2PG1iabRfaA802IR2tFHvLeWvrE6BDZHFAcHJ+xA4TxnseVXlWxTKCQNwiApjD42jaqR yYNXRZkyLLcYaHhNpfsgnOEogB8nwGFC90tU9gqI93MC/sgnPTyYvgOFAmxLJoxU6YQN GfdA== 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=lYFv2VjjBpzdWG4wH/bwmAvtSaFdHcckPR97cR1EMmY=; b=gnSdIbhFkDuZzlHg1V1PPHSGCxDYYbfNodYLZrv9fVD5Gi3OAwHljReUcl73KeVW4U LCbIgT8jadxXsT9mSKS0ceOkMwbzXujcTnhur8rtBRniCbATLuojNT6n3+RLpmOtj0sV Nng59w5to/w0PJam3e7e2hOKyf0NiShMDZ8APFBdLdx5jgRTgdDXqTmr8vYbvojfZqTt fe+yP7YmPk7/to9fVyu7HLJXFPa45I54baPeln8AaVzR+d+g+S5U0Y8qBFwKOp6E5mSk 9f8FraAuIX6/O1XyahOONyexdcU8/sEaF7xeW29h6iEqyOqhQrEKvuRARcnMK0dAgCkB 0x9Q== X-Gm-Message-State: AElRT7GpRxLmdLPCBFkB+nW9Za3c0bHfNAyRWAkhpwvn/w4Otheygzwu gXSWKpnx5ZRNU/9l4bgxF0F+Pw== X-Google-Smtp-Source: AIpwx4/NLcdbylNwIGAHj0YsQFW3YDVNQDCsD1Mv92XwQBSykUwdle18MNDFMRYHHTzBVlVLHKppmg== X-Received: by 2002:a24:9dd8:: with SMTP id f207-v6mr21453827itd.80.1522002866514; Sun, 25 Mar 2018 11:34:26 -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 m201sm2820376ioe.29.2018.03.25.11.34.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 25 Mar 2018 11:34:25 -0700 (PDT) Sender: Mark Johnston Date: Sun, 25 Mar 2018 14:34:21 -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: <20180325183421.GA74365@raichu> References: <8D9C49CB-957E-40A5-8EB0-D90D8AC02060@yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8D9C49CB-957E-40A5-8EB0-D90D8AC02060@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 18:34:27 -0000 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? > 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().