Date: Tue, 27 Oct 2020 09:32:06 +0000 (UTC) From: Mateusz Piotrowski <0mp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r367072 - head/tools/build Message-ID: <202010270932.09R9W6Vu012597@repo.freebsd.org>
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Author: 0mp (doc,ports committer) Date: Tue Oct 27 09:32:06 2020 New Revision: 367072 URL: https://svnweb.freebsd.org/changeset/base/367072 Log: Mount devfs inside a beinstall(8) chroot It turns out that without /dev/null beinstall is not able to complete and instead exits with messages similar to these: -------------------------------------------------------------- >>> Installing kernel GENERIC completed on Sun Oct 25 17:47:37 CET 2020 -------------------------------------------------------------- /tmp/beinstall.JleGoP/mnt: Inspecting dirs /usr/src /usr/obj/usr/src/amd64.amd64 --- installworld --- make[1]: "/usr/obj/usr/src/amd64.amd64/toolchain-metadata.mk" line 1: Using cached toolchain metadata from build at t480 on Sun Oct 25 15:53:28 CET 2020 make[2]: "/dev/null" line 2: Need an operator make[2]: Fatal errors encountered -- cannot continuemake[1]: "/usr/src/Makefile.inc1" line 593: CPUTYPE global should be set with ?=. Cleaning up ... umount -f /tmp/beinstall.JleGoP/mnt/usr/src /tmp/beinstall.JleGoP/mnt/usr/obj/usr/src/amd64.amd64 /tmp/beinstall.JleGoP/mnt Destroyed successfully error: Installworld failed! Upon a bit of debugging, it turns out that /dev/null inside the chroot environment is full random bytes, which cause "make -f /dev/null" to misbehave. Mounting a proper devfs inside the chroot seems to be the most appropriate way to fix it. will@ also noted that this change requires that whatever is needed in devfs must exist in the old kernel. Approved by: will MFC after: 2 week Differential Revision: https://reviews.freebsd.org/D26944 Modified: head/tools/build/beinstall.sh Modified: head/tools/build/beinstall.sh ============================================================================== --- head/tools/build/beinstall.sh Tue Oct 27 06:43:24 2020 (r367071) +++ head/tools/build/beinstall.sh Tue Oct 27 09:32:06 2020 (r367072) @@ -223,6 +223,7 @@ fi create_be_dirs "${srcdir}" "${objdir}" || errx "Unable to create BE dirs" mount -t nullfs "${srcdir}" "${BE_MNTPT}${srcdir}" || errx "Unable to mount src" mount -t nullfs "${objdir}" "${BE_MNTPT}${objdir}" || errx "Unable to mount obj" +mount -t devfs devfs "${BE_MNTPT}/dev" || errx "Unable to mount devfs" chroot ${BE_MNTPT} make "$@" -C ${srcdir} installworld || \ errx "Installworld failed!"
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