From owner-freebsd-current@freebsd.org Sun Feb 18 21:33:28 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 9C374F0634B; Sun, 18 Feb 2018 21:33:28 +0000 (UTC) (envelope-from mjguzik@gmail.com) Received: from mail-qt0-x22f.google.com (mail-qt0-x22f.google.com [IPv6:2607:f8b0:400d:c0d::22f]) (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 316046CDCD; Sun, 18 Feb 2018 21:33:28 +0000 (UTC) (envelope-from mjguzik@gmail.com) Received: by mail-qt0-x22f.google.com with SMTP id d26so10064539qtk.10; Sun, 18 Feb 2018 13:33:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=Fl+Rag2s3g1SHTkqSikrKV27NR9wBXoYAC9YZ7einYs=; b=LaBo/jK9gL8dxtuy7Dl85P4Zms7zxynHW+lx5OWx3dp212Fua/P8rlly9D/9G0X/6g 4a3MvRsEzos7Zdu7vv0puhUvQcyqvWuPuzEG/C/k2+zk1r/ffXixw4SiZoXEQJShBiBr qYyZec07T6cLCWx4tReDfKpfB0HpnFZwRPSXR8kKyCCQL4EOTcs1DRC57bGMTbJbxrk2 WLu+b5nQK4d+cnzqBlgWx4dOdyGbE7+z7RNQt9oncQKz6cjlUcvp//piKQj6zc2NwAkr Gwh0KSKPtJdYrICs0NMcK5P3rpRmcOuMVp55G6Idr9mxaZYyTWpTVEXT1ynTNviabCBc DB4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=Fl+Rag2s3g1SHTkqSikrKV27NR9wBXoYAC9YZ7einYs=; b=Qy5wTjAqWXXIa+pmJDQQDWQ2DvKTI4BPTRZIY9LH7PfRajLGZnaTpal4FabhCcA5/+ 0jEGBc4uQAE2kVjOlh+Ra6jhK1dc15/Xt0h1IjbO+3UEbmCYe4ZhobLALNbRw+oonXne Cr+79hGXsL7x/OXQeGajsD8wKkKweSMAEtUPaSfGG7NOR13vHczcSLVcl8jMt3UBvICx XEIjLGTGuRsLOehufS92AXCoWWvocUDTN/PNFCDNebnjv5uFhEiiWl9Rb31hRLlbELJf i3yCHmFLyI4ZVMmIhOwcp/SJIOePBKNWjC0SY4pffSZng+QcvPsMdbh0FTpYsCBjdUkV /roA== X-Gm-Message-State: APf1xPBlvQYOS5Gj6VGh5+2JRcu4FD6ylUmZPKg7mg4ygWhnm169kc2t JSp0kS6WK+neuiZrtCXsDjqpPIFWNjtCUlzGsBaxTg== X-Google-Smtp-Source: AH8x225LYUGRZp5MBhVgx4r6dUPNGX6EPaRdW2PqOFjED/Yk4nnxO74oNgKjY5nMKoAsZgVn2a2G2cxphMKaWz1Ftlw= X-Received: by 10.200.38.188 with SMTP id 57mr7516794qto.220.1518989607871; Sun, 18 Feb 2018 13:33:27 -0800 (PST) MIME-Version: 1.0 Received: by 10.237.58.99 with HTTP; Sun, 18 Feb 2018 13:33:27 -0800 (PST) In-Reply-To: References: <6907E068-C80A-44B8-A8AD-3EF27D52D127@yahoo.com> <20832C61-AA5D-41A6-8BF9-90CC87D17219@yahoo.com> <6D47FEC0-7991-4F76-AC31-2CC1E8934521@yahoo.com> From: Mateusz Guzik Date: Sun, 18 Feb 2018 22:33:27 +0100 Message-ID: Subject: Re: amd64 head -r329465 (non-debug build, but with symbols): "panic: spin lock held too long" during make check-old, reported during a sys_vfork To: =?UTF-8?Q?Trond_Endrest=C3=B8l?= Cc: FreeBSD Current , FreeBSD Hackers Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.25 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, 18 Feb 2018 21:33:28 -0000 On Sun, Feb 18, 2018 at 9:38 PM, Trond Endrest=C3=B8l < Trond.Endrestol@fagskolen.gjovik.no> wrote: > On Sun, 18 Feb 2018 11:51-0800, Mark Millard wrote: > > > Note: -r329448 was reverted in -r329461 : racy. > > True. I got a crash when compiling r329451 while running r329449. > I've now booted the r329422 ZFS BE and I'm attempting to build > r329529. > Looking around strongly suggests r329448 is the culprit. If you can verify 329447 works fine we are mostly done here. Note the revision got reverted and different variant got in in r329531. That said, if r329447 works then the issue should be already fixed and in particular fresh head should work fine. --=20 Mateusz Guzik