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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