Date: Mon, 30 May 2022 16:13:38 -0700 From: Cy Schubert <Cy.Schubert@cschubert.com> To: David Wolfskill <david@catwhisker.org> Cc: Warner Losh <imp@bsdimp.com>, Cy Schubert <Cy.Schubert@cschubert.com>, Kirk McKusick <mckusick@freebsd.org>, src-committers <src-committers@freebsd.org>, "<dev-commits-src-all@freebsd.org>" <dev-commits-src-all@freebsd.org>, dev-commits-src-main@freebsd.org, Toomas Soome <tsoome@me.com> Subject: Re: git: 076002f24d35 - main - Do comprehensive UFS/FFS superblock integrity checks when reading a superblock. Message-ID: <20220530231338.CCBF619E@slippy.cwsent.com> In-Reply-To: <YpVIJ0ZuPCrGE5zy@albert.catwhisker.org> References: <202205271922.24RJMOJ2039923@gitrepo.freebsd.org> <20220530215552.EE5432C@slippy.cwsent.com> <CANCZdfpovXadsxcS_YC2-NpJJX8S62YTfNTSfE9VHqoE6KsJPA@mail.gmail.com> <20220530222402.E22C7114@slippy.cwsent.com> <CANCZdfoqpDO9-APZytimd9TpPGsnaj0%2BwJBfdxv%2Bo2NnOX5ZUQ@mail.gmail.com> <YpVIJ0ZuPCrGE5zy@albert.catwhisker.org>
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In message <YpVIJ0ZuPCrGE5zy@albert.catwhisker.org>, David Wolfskill writes: > > > --3FHA/mTlTih/VEaV > Content-Type: text/plain; charset=us-ascii > Content-Disposition: inline > Content-Transfer-Encoding: quoted-printable > > On Mon, May 30, 2022 at 04:33:47PM -0600, Warner Losh wrote: > > On Mon, May 30, 2022 at 4:24 PM Cy Schubert <Cy.Schubert@cschubert.com> > > wrote: > >=20 > > > Upgrading boot blocks didn't help either. > > > > > > It only happened on one of four machines. Likely because the other three > > > are AMD on Asus MBs while the problem machine is an Acer laptop running > > > Intel. > > In my case, the laptops are OK, but my build machine is affected. > > Info on it is anchored from > https://www.catwhisker.org/~david/FreeBSD/history/ (ref. machine > "freebeast"). > > > David Wolfskill reported the same: some are affected, others not. > > It's unclear why, exactly, but all the other details you gave track > > with the troubleshooting tsoome and I have been doing with him. > > I suppose it's a bit of a relief to know I'm not alone in this. :-} > > > The issue is inside of loader.efi or /boot/loader, not in the earlier > > boot blocks. > > .... > > I've ended up putting a gzipped dd image of the full file system from > /dev/ada0s4a up at https://www.catwhisker.org/~david/FreeBSD/head/loader/ As I said before, I don't think the filesystem image will give us any clues to what the problem might be. It's not a filesystem problem. It's likely how memory is laid out at the time. -- Cheers, Cy Schubert <Cy.Schubert@komquats.com> or <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: http://www.FreeBSD.org NTP: <cy@nwtime.org> Web: https://nwtime.org e**(i*pi)+1=0
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