Hi Alex,
On 26/04/2019 16:14, Alex Kiernan wrote:
On Thu, Apr 18, 2019 at 11:22 AM Andrej Valek <[email protected]> wrote:
PATCH REBASED:
==============
0001-do-not-disable-buffer-in-writing-files.patch
0002-don-t-use-glibc-specific-qsort_r.patch
0003-missing_type.h-add-__compare_fn_t-and-comparison_fn_.patch
0004-add-fallback-parse_printf_format-implementation.patch
0005-rules-watch-metadata-changes-in-ide-devices.patch
0005-src-basic-missing.h-check-for-missing-strndupa.patch
0007-don-t-fail-if-GLOB_BRACE-and-GLOB_ALTDIRFUNC-is-not.patch
0009-socket-util-don-t-fail-if-libc-doesn-t-support-IDN.patch
0017-Do-not-disable-buffering-when-writing-to-oom_score_a.patch
0021-avoid-redefinition-of-prctl_mm_map-structure.patch
0024-test-json.c-define-M_PIl.patch
PATCH DROPPED:
==============
0001-meson-declare-version.h-as-dep-for-various-targets-t.patch
0001-meson-declare-version.h-as-dependency-for-systemd.patch
0013-test-hexdecoct.c-Include-missing.h-for-strndupa.patch
PATCH ADDED:
0025-fs-utilh-add-missing-sys-stat-include.patch
Signed-off-by: Andrej Valek <[email protected]>
---
This change in 242 means I'm no longer getting network up after
flashing a new image (I'm flashing the entire eMMC from an image):
* During package installation (with `ninja install`), we would create
symlinks for systemd-networkd.service, systemd-networkd.socket,
systemd-resolved.service, remote-cryptsetup.target, remote-fs.target,
systemd-networkd-wait-online.service, and systemd-timesyncd.service
in /etc, as if `systemctl enable` was called for those units, to make
the system usable immediately after installation. Now this is not
done anymore, and instead calling `systemctl preset-all` is
recommended after the first installation of systemd.
I don't know if Jonas is still working on this series:
https://patchwork.openembedded.org/series/15497/
I haven't given up on it, but I had to put it aside for a bit due to
more pressing matters.
as that looks like it has the kind of machinery we need (though I
don't think this problem is specific to read only rootfs now) - I'm
looking at the series in case he's not.
If you have a writable root, systemd will automatically do the
preset-all for you; the catch is, systemd only does this if
/etc/machine-id does not exist. OE forces an empty /etc/machine-id onto
all root images so this doesn't work; as such, you'll need to do the
preset-all magic manually for ALL filesystems irregardless of whether
they are read-only or not.
A better solution is drop the /etc/machine-id and let systemd create
that automatically; then it will also do the automatic preset-all at
first-boot. The problem here is that the OE build farm detects images
that stall at boot when /etc/machine-id isn't present; I wasn't able to
find the cause of this but that's where you should be looking if you
want to pursue this patch series. Aside from that little glitch, I
think the rest of it is fine.
And getting this working is also a big step towards making "stateless"
systems (using the systemd terminology) work where /etc may be a tmpfs
and gets populated at boot.
/Jonas
The quick-hack fix is to revert 01d2041e41f4 ("meson: stop creating
enablement symlinks in /etc during installation"), but clearly that's
not sustainable.
--
Alex Kiernan
--
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