From owner-freebsd-current@freebsd.org Tue Sep 12 08:34:08 2017 Return-Path: Delivered-To: freebsd-current@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 8102EE21C9B for ; Tue, 12 Sep 2017 08:34:08 +0000 (UTC) (envelope-from kubito@gmail.com) Received: from mail-wm0-x235.google.com (mail-wm0-x235.google.com [IPv6:2a00:1450:400c:c09::235]) (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 20AB167E0D; Tue, 12 Sep 2017 08:34:08 +0000 (UTC) (envelope-from kubito@gmail.com) Received: by mail-wm0-x235.google.com with SMTP id i189so55950422wmf.1; Tue, 12 Sep 2017 01:34:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=a0zQF3uO/KTewJVXDDHhjVf+sh3kLIjzKv37NXM8gfI=; b=Bepk9VX8sQJKF3r4qWVY7XKHzob+Vhzoq6qfiz2f4wndAurEPbKzhxhGN3VQyM3YGB E4aXDBdl9iayXrVk7h3vg5RwdAQ1JGN+8BbC3SzikhdjFKRGcPh5pm0MWwLiIxtmHn6L F5oKlUvxy9hOeaFfa+c6ZvPUSpzShDcKywk5/5Txamtpouj4H0dwnvSg/UA56Eae+oKD GpDGGJ9icJWQwP8Zdmer7ChU3dd+AVSMVWDzGj6QUjJbpbA/KlDeOX/SA15rB8IOh0YP IYoYIe5pRbOVXv8AObhpTemL4Fn01cm22UTGBZNJ30IrxA0J4/qiVJ2DNla1qK3oAY0j pPaA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:references:date :in-reply-to:message-id:user-agent:mime-version; bh=a0zQF3uO/KTewJVXDDHhjVf+sh3kLIjzKv37NXM8gfI=; b=d1PEF/3UdeqfhoKhFycOuqVblGgIF5WCZNgysMzRXRephZQiHbpX1OtOMIglL9fyhc jJpsUwASuYIcBUqhEAC38SA/1CsbEk9QVYCcwCdjiRqJNa1/CbWmHucupKlrwl9Wetyp i1/DZAyrOD2MFdbajODKSKM3hKPP+5hh48ute1x10zwvS39ka8flL8lX1HFQa4tswGwG UP3NgVeVPU/vYDrY4QKR8LtrtGnmER+Jp5PMLEe2cGa+MOBgEcX3TM8wueufcU4M2So+ 9Mz0kqzRJrDLazQL7pLmDOEBmuZj20wssowu6KUBV8sRJUklxiDndUlrM6UoNDiBXeWp 16NQ== X-Gm-Message-State: AHPjjUiu6fdvR3Nzo6+M+82yGxRlo2GVHwBl9vZjalT66pgAb0FdDZrE xpEBfNS3V4aYZoh/0nU= X-Google-Smtp-Source: ADKCNb5nG3hk3L4gjPG7CIwpAB3PJdXGOrNO9QEpj/mGTqCVE2lUVDG+18shBoqaRJZ9wuAgjWwlAQ== X-Received: by 10.80.150.196 with SMTP id z4mr11673735eda.161.1505205246335; Tue, 12 Sep 2017 01:34:06 -0700 (PDT) Received: from orwell.gmail.com (dhcp-077-251-154-188.chello.nl. [77.251.154.188]) by smtp.gmail.com with ESMTPSA id l9sm5279827edk.97.2017.09.12.01.34.05 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 12 Sep 2017 01:34:05 -0700 (PDT) Sender: Raphael Kubo da Costa From: Raphael Kubo da Costa To: Mark Johnston Cc: "Andrey V. Elsukov" , freebsd-current@FreeBSD.org, cem@FreeBSD.org Subject: Re: r323412: Panic on boot (slab->us_keg == keg) References: <86vakp1vsq.fsf@orwell> <8ccad12b-3d31-6478-7884-c003bc314990@yandex.ru> <20170912033523.GA89424@wkstn-mjohnston.west.isilon.com> Date: Tue, 12 Sep 2017 10:34:00 +0200 In-Reply-To: <20170912033523.GA89424@wkstn-mjohnston.west.isilon.com> (Mark Johnston's message of "Mon, 11 Sep 2017 20:35:23 -0700") Message-ID: <86ingo1fk7.fsf@orwell> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 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: Tue, 12 Sep 2017 08:34:08 -0000 Mark Johnston writes: > I think the bug is that keg_large_init() doesn't take > sizeof(struct uma_slab) into account when setting uk_ppera for the keg. > In particular, the bug isn't specific to the bootup process; it only > affects internal zones with an item size in the range [4016, 4096]. > > The patch below should fix this - could you give it a try? I've tried it and can confirm it fixed the panic here.