From owner-freebsd-stable@freebsd.org Fri May 7 19:53:06 2021 Return-Path: Delivered-To: freebsd-stable@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 4B87063A788 for ; Fri, 7 May 2021 19:53:06 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (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 4FcLhx20G1z3HWg for ; Fri, 7 May 2021 19:53:04 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.16.1/8.16.1) with ESMTPS id 147Jqnhh035922 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Fri, 7 May 2021 22:52:52 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua 147Jqnhh035922 Received: (from kostik@localhost) by tom.home (8.16.1/8.16.1/Submit) id 147Jqm9p035921; Fri, 7 May 2021 22:52:48 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Fri, 7 May 2021 22:52:48 +0300 From: Konstantin Belousov To: Freddie Cash Cc: Yasuhiro Kimura , FreeBSD Stable Subject: Re: Install of 13.0-RELEASE i386 with ZFS root hangs up Message-ID: References: <20210507.214759.1825935389016318351.yasu@utahime.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=0.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FREEMAIL_FROM,FREEMAIL_REPLY, NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on tom.home X-Rspamd-Queue-Id: 4FcLhx20G1z3HWg X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=fail reason="No valid SPF, No valid DKIM" header.from=gmail.com (policy=none); spf=softfail (mx1.freebsd.org: 2001:470:d5e7:1::1 is neither permitted nor denied by domain of kostikbel@gmail.com) smtp.mailfrom=kostikbel@gmail.com X-Spamd-Result: default: False [-0.90 / 15.00]; RCVD_TLS_ALL(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; FREEMAIL_FROM(0.00)[gmail.com]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; HAS_XAW(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[2001:470:d5e7:1::1:from]; R_SPF_SOFTFAIL(0.00)[~all]; NEURAL_SPAM_SHORT(0.87)[0.870]; SPAMHAUS_ZRD(0.00)[2001:470:d5e7:1::1:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; NEURAL_HAM_MEDIUM(-0.77)[-0.766]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:6939, ipnet:2001:470::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-stable]; DMARC_POLICY_SOFTFAIL(0.10)[gmail.com : No valid SPF, No valid DKIM,none] X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 May 2021 19:53:06 -0000 On Fri, May 07, 2021 at 09:48:07AM -0700, Freddie Cash wrote: > On Fri, May 7, 2021 at 5:49 AM Yasuhiro Kimura wrote: > > > Does anyone succeed to install 13.0-RELEASE i386 with ZFS root? > > > > I tried this with VirtualBox and VMware Player on Windows with > > following VM condition. > > > > * 4 CPUs > > * 8GB memory > > * 100GB disk > > * Bridge mode NIC > > > > But in both cases, VM gets high CPU load and hangs up after I moved > > to 'YES' at 'ZFS Configuration' menu and type return key. > > > > If I select UFS root installation completes successfully. So the > > problem is specific to ZFS root. > > > > Running ZFS on 32-bit OSes is doable (although not recommended) but > requires a lot of manual configuration and tweaking, especially around > kernel memory and ARC usage. > > You're limited to 4 GB of memory space, so you need to tune the ARC to use > less than that. The auto-tuning has improved a lot over the years, but you > still need to limit the ARC size to around 2 GB (or less) to keep the > system stable. KVA memory space tuning shouldn't be needed anymore, but > you can do research into that, just in case. > > You can compile a custom kernel to enable PAE support, that will sometimes > help with memory issues on i386 (and will allow you to use more than 4 GB > of system RAM, although individual processes are still limited to 4 GB). i386 kernel uses memory up to 24G since 13.0. PAE only means that devices that can access full 64bit address are allowed to avoid dma bouncing. > > If you really need to, you can make ZFS work on i386. If at all possible, > though, you really should run it on amd64 instead. > > -- > Freddie Cash > fjwcash@gmail.com > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"