From owner-freebsd-current@freebsd.org Mon Apr 29 11:41:03 2019 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 4475315891FC for ; Mon, 29 Apr 2019 11:41:03 +0000 (UTC) (envelope-from lausts@acm.org) Received: from cdptpa-cmomta01.email.rr.com (cdptpa-outbound-snat.email.rr.com [107.14.166.229]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "Client", Issuer "CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id D473972C59; Mon, 29 Apr 2019 11:41:01 +0000 (UTC) (envelope-from lausts@acm.org) Received: from mail.laus.org ([65.29.112.189]) by cmsmtp with ESMTP id L4bxhcP4ZfHC7L4bzhuDU2; Mon, 29 Apr 2019 11:38:19 +0000 Received: from [192.168.1.100] (inspiron [192.168.1.100]) by mail.laus.org (8.15.2/8.15.2) with ESMTPS id x3TBcGPo013177 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO); Mon, 29 Apr 2019 07:38:16 -0400 (EDT) (envelope-from lausts@acm.org) X-Authentication-Warning: mail.laus.org: Host inspiron [192.168.1.100] claimed to be [192.168.1.100] Reply-To: lausts@acm.org Subject: Re: Question about 'gptzfsboot' To: Ian Lepore , FreeBSD Current References: <01d10a11-49b2-2982-01cb-b49a0831d30b@acm.org> <5de29e0b5228d7eb0aac8e0eec116896f11ea862.camel@freebsd.org> From: Thomas Laus Openpgp: preference=signencrypt Autocrypt: addr=lausts@acm.org; prefer-encrypt=mutual; keydata= mQGiBDx1NWwRBADARalI5I8kGeBYYYWnZB73T1fU4333yCuRokRvzlAZ5Zhb3hqsNdTEMheN FDjZSL8J5jeJtvSRinY2p09CxpAMoJR9zHLmHl+zEOY8fInbB+KiFtSfGf0blSEY9/+isQP9 xmUIQWUj0kwVtrns7m1HrYLiI07NVFzbHNKqQcbPuwCg0n/KKi+VJiUs5MqLKwGuPotGeZME AIluMetTQwfLyovundMwFYlSZ/Z8JjkMybqgKuiRrZnaBVVZ80NjAYZI73yAZPfQh9mvFxW9 ipc2tSALwDy/tYDpQRK0k+0EsDmwG/wM6OarkqSuFcYx+tP86+2+6Xitn6E/hriIWa/ZQVef /fx7dZzdwhXH6fd34v8o/BuqhawLBACs4MTMGbdSmyI56vCMXWY1yxRPmuygd4vUnXqYwlrM Ee/LjQdreg1zTAJnnW1K+PgOUW/jvS+uAbgxLa3i59/Z4Uu7nB6G1y+Y1cThojUsLnvoJlt1 4XE1U/vnOcvO3evo6knB1qjbAMsZGaVleiVKDq+7XE7swe4WtBJKbYJthbQcVGhvbWFzIExh dXMgPGxhdXN0c0BhY20ub3JnPoh/BBMRAgA/AheAAh4BBgsJCAcDAgYVCAIJCgsEFgIDAQIZ ARYhBBloSoDtPqFEokqZd+v/gtRiCDbPBQJcKgq6BQkhqyDOAAoJEOv/gtRiCDbP9xQAoL7B hCgFeI2K/0koKP3U8OB52nQyAJ0dd/QVJC7tV8gER4tse5GCUN5CHrkCDQRFspgcEAgAjXsi 9WqowAKZ7d2ix6t7fiYgu2QBGWq36NvN+cPBJIu0CnagL1v4W1UrRW/0cInLzgqlWrSU7SFg y1+rGBlusMHf8/faGeZD0XwMdYgTIYdjdK5VZ0GaRWUs0LbHAOJQkOFRHLMAEG8wrc3f1xrn uVJ4JPOA81kTmTXvYTyQNXJBySc0oNSgvSut8aBbNGBZhw9U2V3yXXnnMeWR8+DYrriYdOdR eK7S0LNN8TPY60PJx3KLN9vUY9Cb5Ly0NavF3wREPQqYlNfTMoG/GA/n8XB6SCoMj73oKCyw FLbckBUjFsl7wTeKKvU68V8kWG762fscXhOhRduETGrja09MbwADBQf/WiycmdfNtB41+vvT HQqz9tm3ZHAW2yE53CxfQpvlyS/KwnWgLjl/iV0SHRDede0NJ5yTEqPVhqq7WCdlqVsHPSpX FfvyOgbNmjPmOY/a1nW4UnWSqA7bgQvkthahhoLeHzkU8YKupW0m05RIBpqQER6HwBOksTq4 sWV/lUy1P0VT8GqqPLNklKe2BEu+KhuhLV6XwEG3VrHNoY6/R5CMGvBhZbtiUViCZktmxJAj Fq0VCcuj7+Oo52eq4BL2vMrzLX+2Ib1JSWid6t0N+grXxbr2mv7H2V2/4Vo0XI3IKxPX1mdG y9RBkbRUGyV9A8RlaS0QTnXvsxZTjOnmjxPX64hmBBgRAgAmAhsMFiEEGWhKgO0+oUSiSpl3 6/+C1GIINs8FAlwqCsMFCRhtvicACgkQ6/+C1GIINs/KCgCdGI1pg3HFhr7VEQeC63bhlMKH 0GAAn0mvTZY9OWKGMPoo0x/HdXkdgJHe Message-ID: Date: Mon, 29 Apr 2019 07:38:16 -0400 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <5de29e0b5228d7eb0aac8e0eec116896f11ea862.camel@freebsd.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-CMAE-Envelope: MS4wfMRCqE1y+jPD0/V6TZ3om+zafDuM6CjkPN/YCShRrsBzhoUNgDTIGDazib9ZKzXOwSV5any36e7ybwyzdESR6h6nkRa4CobMWFB6yKOzylcwjEQc72qI VsNSIr0Z1brxNULx51RZPhiLIEn+LGeC/YWv9jfBwbGgp2W79RH5YBnrIn8uG+BcnVWJdDE1OmHPCeR0R5CzGE1BQ3edo457I6E= X-Rspamd-Queue-Id: D473972C59 X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; spf=softfail (mx1.freebsd.org: 107.14.166.229 is neither permitted nor denied by domain of lausts@acm.org) smtp.mailfrom=lausts@acm.org X-Spamd-Result: default: False [-3.17 / 15.00]; HAS_REPLYTO(0.00)[lausts@acm.org]; HAS_XAW(0.00)[]; REPLYTO_ADDR_EQ_FROM(0.00)[]; R_SPF_SOFTFAIL(0.00)[~all]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_ALL(0.00)[]; MX_GOOD(-0.01)[cached: mail.mailroute.net]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_SHORT(-0.94)[-0.935,0]; RECEIVED_SPAMHAUS_PBL(0.00)[189.112.29.65.zen.spamhaus.org : 127.0.0.10]; RCVD_TLS_LAST(0.00)[]; R_DKIM_NA(0.00)[]; ASN(0.00)[asn:14065, ipnet:107.14.160.0/20, country:US]; MIME_TRACE(0.00)[0:+]; MID_RHS_MATCH_FROM(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.97)[-0.973,0]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-0.99)[-0.993,0]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[acm.org]; IP_SCORE(-0.16)[ipnet: 107.14.160.0/20(-0.42), asn: 14065(-0.34), country: US(-0.06)]; RCVD_IN_DNSWL_NONE(0.00)[229.166.14.107.list.dnswl.org : 127.0.5.0]; RWL_MAILSPIKE_POSSIBLE(0.00)[229.166.14.107.rep.mailspike.net : 127.0.0.17] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 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: Mon, 29 Apr 2019 11:41:03 -0000 On 2019-04-28 22:27, Ian Lepore wrote: > > If you're using gptzfsboot, I guess you're using zfs? I just fixed a > problem with probing disks for zfs volumes a few days ago (r346675). > There is even some small chance it fixes this problem, because one of > the things I noticed was that in one of the disk structures in loader, > the "slice offset" value was sometimes a bit random-looking, like it > was being initialized with whatever garbage was laying around in > memory. It actually makes some sense that the "garbage" might be > different between a firstboot after power-on and a reboot. > > So all in all, it wouldn't hurt to update both gptzfsboot and loader > (gpart bootcode -b and -p) to see if there's a fix lurking in my zfs > probe changes. > I'll build and update my laptop OS this morning and report back to this thread if I have any additional issues. Thanks Tom -- Public Keys: PGP KeyID = 0x5F22FDC1 GnuPG KeyID = 0x620836CF