From owner-freebsd-current@freebsd.org Fri May 7 22:45:04 2021 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 6500163F21E; Fri, 7 May 2021 22:45:04 +0000 (UTC) (envelope-from yasu@utahime.org) Received: from maybe.home.utahime.org (gate.home.utahime.org [183.180.29.210]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4FcQWM3ygWz3hsH; Fri, 7 May 2021 22:45:03 +0000 (UTC) (envelope-from yasu@utahime.org) Received: from eastasia.home.utahime.org (eastasia.home.utahime.org [192.168.174.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by maybe.home.utahime.org (Postfix) with ESMTPS id CEE5028882; Sat, 8 May 2021 07:44:59 +0900 (JST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=utahime.org; s=maybe2019112701; t=1620427499; bh=s50A3uNf+CRwNVo9l5w3AwJLgRO9xlx7MeesvluQQ+s=; h=Date:To:Subject:From:In-Reply-To:References; b=idVHz58dBd38puEI5dpVIa+j9Bokl0pvS4y+12tnK7NIXHvKqOQz5i7hBtkX93Jva 2fEQE3X4YylsV5+eP50qjUCAtLmhumEmRP1JJOXGuEGPkqcgd8fyzBKYJ56tNdldIK xVdu54lsYsv/VVnXalgIQdSKJH/oJmCemTaY90sqYx3AJPdg4uspmuxsxoqfeWU1sK 8/Z3kN8hIKktvl/LVtMbaMWZAlZHo9gcIIOaXJSgeLX63wt+h2wWIcNGxtEOl2RWYP scn0i6Jc5tz+t0CatoLEd/UfSQzHUMFdAdJ9AbD7jWPBz75zPyeVeFQedKt8qI2tF0 jjAZC1p875HJg== Received: from localhost (rolling.home.utahime.org [192.168.174.11]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by eastasia.home.utahime.org (Postfix) with ESMTPSA id 76ED721913; Sat, 8 May 2021 07:44:58 +0900 (JST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.2 at eastasia.home.utahime.org Date: Sat, 08 May 2021 07:44:15 +0900 (JST) Message-Id: <20210508.074415.2261369884561178196.yasu@utahime.org> To: freebsd-current@freebsd.org, freebsd-stable@freebsd.org Subject: Re: Loading zfs module results in hangup on i386 From: Yasuhiro Kimura In-Reply-To: <20210508.073147.1934590966598603586.yasu@utahime.org> References: <20210507.214759.1825935389016318351.yasu@utahime.org> <20210508.073147.1934590966598603586.yasu@utahime.org> X-Mailer: Mew version 6.8 on Emacs 27.2 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4FcQWM3ygWz3hsH X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=pass header.d=utahime.org header.s=maybe2019112701 header.b=idVHz58d; dmarc=none; spf=pass (mx1.freebsd.org: domain of yasu@utahime.org designates 183.180.29.210 as permitted sender) smtp.mailfrom=yasu@utahime.org X-Spamd-Result: default: False [-0.41 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+a:spf-authorized.utahime.org:c]; MV_CASE(0.50)[]; TO_DN_NONE(0.00)[]; HFILTER_HELO_IP_A(1.00)[maybe.home.utahime.org]; HFILTER_HELO_NORES_A_OR_MX(0.30)[maybe.home.utahime.org]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[utahime.org:+]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_SHORT(-0.71)[-0.705]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RBL_DBL_DONT_QUERY_IPS(0.00)[183.180.29.210:from]; ASN(0.00)[asn:2519, ipnet:183.180.0.0/16, country:JP]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[utahime.org:s=maybe2019112701]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[utahime.org]; SPAMHAUS_ZRD(0.00)[183.180.29.210:from:127.0.2.255]; MID_CONTAINS_FROM(1.00)[]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-current,freebsd-stable] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 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: Fri, 07 May 2021 22:45:04 -0000 From: Yasuhiro Kimura Subject: Loading zfs module results in hangup on i386 (Re: Install of 13.0-RELEASE i386 with ZFS root hangs up) Date: Sat, 08 May 2021 07:31:47 +0900 (JST) > Now I think I know what is the source of problem. After all, on > 13.0-RELEASE i386 system simply loading zfs module results in system > hang up. > > The steps to reproduce it are, > > 1. Boot with install media of 13.0-RELEASE i386 > 2. At the first menu of FreeBSD installer, select 'Shell'. > 3. At the shell prompt, type `kldload zfs` and return key. > > I confirmed hangup happens with VirtualBox, VMware Player and my bare > metal PC environement. So the problem doesn't depend on hardware. > > And hangup also happens with 13-STABLE and 14-CURRENT. This problem is already reported to Bugzilla. Bug 254177 When ZFS is recognized, An i386 machine with a lot of memory hangs. https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254177 --- Yasuhiro Kimura