Date: Thu, 21 Sep 2017 14:11:25 +0000 From: carol.roberts@protechnologyaccounts.net To: freebsd-bugs@freebsd.org Subject: Linux users list Message-ID: <001a113d74eaecd2990559b3aad5@google.com>
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Thu, 21 Sep 2017 14:23:09 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A6E2680302 for <freebsd-bugs@FreeBSD.org>; Thu, 21 Sep 2017 14:23:09 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id v8LEN9IF008093 for <freebsd-bugs@FreeBSD.org>; Thu, 21 Sep 2017 14:23:09 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 222425] GPT broken after "gpart backup ada0 | gpart restore -F ada1" Date: Thu, 21 Sep 2017 14:23:09 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 11.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: ae@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: <bug-222425-8-zFZ2wkCJUb@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-222425-8@https.bugs.freebsd.org/bugzilla/> References: <bug-222425-8@https.bugs.freebsd.org/bugzilla/> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports <freebsd-bugs.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-bugs>, <mailto:freebsd-bugs-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-bugs/>; List-Post: <mailto:freebsd-bugs@freebsd.org> List-Help: <mailto:freebsd-bugs-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-bugs>, <mailto:freebsd-bugs-request@freebsd.org?subject=subscribe> X-List-Received-Date: Thu, 21 Sep 2017 14:23:09 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D222425 --- Comment #1 from Andrey V. Elsukov <ae@FreeBSD.org> --- (In reply to chris from comment #0) > There is a problem with the MBR after running "gpart backup ada0 | gpart > restore -F ada1" and because of this it's not possible to boot using this > disk. >=20 > This issue happens only with FreeBSD 11.1 and maybe 11.0. It doesn't happ= en > with 10.3. In the forum you told that you changed the hardware, so I'm not sure that t= his statement is fully correct. You need to check that 10.3 works on the same hardware, because this can be just BIOS issue or something like. > How to reproduce the issue: >=20 > gpart backup ada0 | gpart restore -F ada1 > gpart bootcode -b /boot/pmbr -p /boot/gptboot -i 1 ada1 >=20 > Then boot using ada1 I see: >=20 > gptboot: invalid primary GPT header > gptboot: invalid backup GPT header > gptboot: unable to load GPT There were no changes in the gpart(8), but boot code was changed. Did you try to swap disks? I.e. connect ada0 that works to the place of ada= 1? Does it still work? Does ada1 connected to the port of ada0 works? > The only workaround is copying the MBR from ada0 to ada1: >=20 > gpart backup ada0 | gpart restore -F ada1 This should create on the ada1 similar to ada0 partition table, what if you= try to do `true > ada1` after that? This command will invoke "GEOM retaste", an= d if GPT is invalid at this time, this means that something wrong happens and ta= ble was not written to the disk. If GPT is valid, this means that something wro= ng happens after reboot.=20 Also, if you reboot from ada0 and partition tables from both disks will be detected correctly, this means that something wrong with bootcode/BIOS. --=20 You are receiving this mail because: You are the assignee for the bug.=
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