From owner-freebsd-current@freebsd.org Wed Mar 9 11:23:06 2016 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 D7602AC94DD for ; Wed, 9 Mar 2016 11:23:06 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-lb0-x22a.google.com (mail-lb0-x22a.google.com [IPv6:2a00:1450:4010:c04::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 5CD44BC2; Wed, 9 Mar 2016 11:23:06 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: by mail-lb0-x22a.google.com with SMTP id k15so60810350lbg.0; Wed, 09 Mar 2016 03:23:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-transfer-encoding; bh=TBu9Z0jFm4FpYbgJFmKGMLTJdXpHuiYZ1SlNdJwfCVY=; b=wv/PVUCjeSINaAXMn4a3HT6RwCYwn1+gGT9fRPLpMIlR+WlTEnrfugTNQ5LOlTSaS6 FMIKi/xnhbSkPrzlDB50jyOpMrlBvppg2IdaHqmEgM4oqi24RE+25fwwTnkYiyDZT33H 3wTxX5I+21cEU3q6foUFvEjXXQagycuPcb+P9U75uV+PnS/Pn3tqDjx59bLu2RoE9PEd BFD0ykcmkxz+BtcUSTBVvmZNVaIiwuM3N5v/h0WKni1CHDjDYc/Ak70lSCHnFiexlLU+ QO6flnLr6gYS5emYZKH4GnF3tEvN2GOVWwR1DGdJblLUOrGDS9aHhsU0SLXixRrAQYE6 ob+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:message-id:date:from:user-agent :mime-version:to:cc:subject:references:in-reply-to :content-transfer-encoding; bh=TBu9Z0jFm4FpYbgJFmKGMLTJdXpHuiYZ1SlNdJwfCVY=; b=SjoWfUUtHbBm+JLRsU1olEBLGpoKDOCtv61LPQRrHIs5nWfNQeQNW96CNJ4N6nXaMe jCsEnTt2UyfkH+w3hL2LIdeeol4fJYvJOmxAi5MIFaNuVjk6tuMF9lsbjf2h1gGyexKP V5w9ytX8i1LPcQLgd6rbMweRV6NoKwtK7+1peO6D2toeaLPBm+bKhWLmaw1B+/Z1mukH Phy7KA6HOe/dF8hjQs8oZosyy4eiZnkR1NheAIX35YlPpMKB959n7gIZNXa3Es4iwiM/ nMgzSPjN9tmS8/oPfM3oKUMfpmKTMWyPGLvXsmOIOTWNqSSs+u8+DfWhkV+7DynbrCCy VvYA== X-Gm-Message-State: AD7BkJKHyZhmQ8L/759qO2pyTYMQwICaa7JjANGMZ6tNTHLh4j+NbG9OiygsL3qzNQyNbg== X-Received: by 10.25.157.79 with SMTP id g76mr12489196lfe.93.1457522584121; Wed, 09 Mar 2016 03:23:04 -0800 (PST) Received: from mavbook.mavhome.dp.ua ([134.249.139.101]) by smtp.googlemail.com with ESMTPSA id xf10sm1236330lbb.23.2016.03.09.03.23.02 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 09 Mar 2016 03:23:03 -0800 (PST) Sender: Alexander Motin Message-ID: <56E00795.1040105@FreeBSD.org> Date: Wed, 09 Mar 2016 13:23:01 +0200 From: Alexander Motin User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Ed Maste , =?UTF-8?B?SmVhbi1Tw6liYXN0aWVuIFDDqWRy?= =?UTF-8?B?b24=?= CC: FreeBSD Current Subject: Re: Crash with ZFS between r296491 and r296548 References: <56DF65D1.3000707@dumbbell.fr> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.21 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: Wed, 09 Mar 2016 11:23:07 -0000 On 09.03.16 06:10, Ed Maste wrote: > On 9 March 2016 at 01:39, Ed Maste wrote: >> On 8 March 2016 at 18:52, Jean-Sébastien Pédron >> wrote: >>> Hi! >>> >>> I use Root on ZFS and my laptop doesn't boot with a kernel from r296548 >>> and world from r296491 (so older than kernel). Ed hits a similar crash. >>> >>> Here are the dmesg and backtrace of zfs(8): >>> https://gist.github.com/dumbbell/c9978ad4ac70214f0f47 >>> >>> With a kernel and world from r296491, everything is ok. >>> >>> I didn't have the time to bisect the bad commit yet, so this is mostly a >>> warning for other. Maybe someone will know what's wrong :) >> >> The error's coming from namespace_reload() in libzfs_util.c, >> ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_CONFIGS, &zc) >> >> I haven't had a chance to bisect yet either. There are 9 or so commits >> between r296491 and r296548 -- I hope mav@ has some insight. > > I still haven't been able to bisect, but in a local tree I've reverted > recent ZFS changes and the issue is gone. > > Reverted commits: r296510, r296512, r296514, r296516, r296519, > r296521, r296523, r296528, r296530 Should be fixed by r296563. Illumos assumes full sync between kernel and world, so they are quietly breaking ABI as often as they want for any new feature. One more set of compat shim added helps for now. -- Alexander Motin