Date: Sun, 28 Feb 2021 20:12:08 -0800 From: Michael Sierchio <kudzu@tenebras.com> To: Garance A Drosehn <gad@freebsd.org> Cc: Janos Dohanics <web@3dresearch.com>, FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: Panic after updating from source Message-ID: <CAHu1Y72SAP92M0xB189U2t5%2B%2BFm0DAvj3o3XNFxUvKD_uuBUQg@mail.gmail.com> In-Reply-To: <FE16C41A-1ECC-46B9-A8B1-B7B1EDC1E411@FreeBSD.org> References: <20210228023827.f68e6136d688c0a37206c883@3dresearch.com> <CAHu1Y73iJi=A9vwzOWM90zb2uD1pU9VZfwRJLdeZ6AhRF0nb9A@mail.gmail.com> <20210228120313.cdb53cab429a38fdf9817d0d@3dresearch.com> <CAHu1Y70DCR4z8D85ixc2z2GwwY%2BhsK263QsJuq--BQCmByA9GA@mail.gmail.com> <FE16C41A-1ECC-46B9-A8B1-B7B1EDC1E411@FreeBSD.org>
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On Sun, Feb 28, 2021 at 3:52 PM Garance A Drosehn <gad@freebsd.org> wrote: > make buildworld && make kernel && make installworld && reboot > > that always works for me when following a -STABLE branch. > > It may happen to work for you many times in a row, until the day > it does not work and then you're screwed. The official instructions > state that you should always reboot into single-user mode before > doing 'make installworld'. It's not possible to boot into single-user if you're building from source and installing in EC2, for example. The steps above are guaranteed to work under the conditions described =E2=80=93 tracking a rele= ase under -STABLE with git. Well, guaranteed to work with a nohup or # cd /usr/src # ( make buildworld && make kernel && make installworld && reboot ) >& make.out & Whereas booting in multiuser with a new kernel and old userland can cause some difficulties =E2=80=93 though the install chain should still wor= k. I've only been building from source since 1.0 ;-). And in AWS since before instance types supported HVM. Now, if you're trying to to a major release upgrade =E2=80=93 I haven't tried with the above approach, bu= t booting to single user is still not an option in EC2. =E2=80=93 M > -- > Garance Alistair Drosehn =3D drosih@rpi.edu > Lead Developer @rpi and gad@FreeBSD.org > Rensselaer Polytechnic Institute; Troy, NY; USA --=20 "Well," Brahm=C4=81 said, "even after ten thousand explanations, a fool is no wiser, but an intelligent person requires only two thousand five hundred." - The Mah=C4=81bh=C4=81rata
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