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The unit will be started or restarted a few times during boot, but but it has
StartLimitBurst = DefaultStartLimitBurst = 5, which means that the fifth
restart will already fail. On my laptop, I have exactly 4 restarts, so I don't
hit the limit, but on a slightly different system we will easily hit the limit.
In https://bugzilla.redhat.com/show_bug.cgi?id=2251394, there are five reloads
and we hit the limit.
Since 6ef512c0bb7aeb2000588d7d05e23b4681da8657 we propagate the start counter
over switch-root and daemon reloads, so it's easier to hit the limit during
boot.
In principle there might be systems with lots of vtcon devices, so let's just
allow the unit to be restarted without a limit.
Fixes https://bugzilla.redhat.com/show_bug.cgi?id=2251394.
This reverts commit 30462563b19b92d8c6ed196d30d3cf7de90e8131.
fchmodat2(), while accepting AT_SYMLINK_NOFOLLOW as a valid flag,
always returns EOPNOTSUPP when operating on a symlink. The Linux kernel
simply doesn't support changing the mode of a symlink.
Fixes#30157
when KERNEL_INSTALL_UKIFY is not supplied we set ukify to $PWD/ukify
that will fail (perhaps only for manual installations):
FileNotFoundError: [Errno 2] No such file or directory: '/usr/src/linux-6.7-rc1/ukify'
this will make sure we have a sane default for UKIFY
Signed-off-by: Paymon MARANDI <paymon@utubeipod.xyz>
The command arguments may contain spurious characters, e.g. line-break.
When we use command arguments as a description of a unit, we should
escape them.
Fixes#30187.
Turns out that redirecting a lot of output to the console can have some
funny effects, like random kernel soft lockups. I spotted this in
various CIs, but it remained almost entirely hidden thanks to
`softlockup_panic=1`, until 1a36d2672f which introduced a couple of
tests that log quite a lot in a short amount of time. This, in
combination with newer kernel version, which, for some reason, seem to
be more susceptible to such soft lockups, made the Arch Linux jobs soft
lockup quite a lot, see [0].
While debugging this I also noticed that runs which don't redirect
stdout/stderr to the console are noticeably faster, e.g.:
# TEST-71 nspawn + QEMU (KVM), StandardOutput=journal+console
Elapsed (wall clock) time (h:mm:ss or m:ss): 0:24.64
# TEST-71 nspawn + QEMU (KVM), StandardOutput=journal
Elapsed (wall clock) time (h:mm:ss or m:ss): 0:17.95
# TEST-71 nspawn + QEMU, StandardOutput=journal+console
Elapsed (wall clock) time (h:mm:ss or m:ss): 2:04.70
# TEST-71 nspawn + QEMU, StandardOutput=journal
Elapsed (wall clock) time (h:mm:ss or m:ss): 1:44.48
# TEST-04 QEMU, StandardOutput=journal+console
Elapsed (wall clock) time (h:mm:ss or m:ss): 4:22.70
# TEST-04 QEMU, StandardOutput=console
Elapsed (wall clock) time (h:mm:ss or m:ss): 5:04.67
Given all this, let's effectively revert ba7abf79a5, and dump the
testsuite-related journal messages only after the test finishes, so they
don't go through the slow console.
Resolves: systemd/systemd-centos-ci#660
[0] https://github.com/systemd/systemd-centos-ci/issues/660
MemoryCurrent and MemoryAvailable are shown as "[not set]" when UINT64_MAX
(unset). Let's do the same for the newly-added Memory*{Current,Peak} properties.
Let's put the section name at the beginning of each sentence. This way we
can avoid awkward constructs like "kernel is looked for in the .linux section".
Also, since the paragraph above says that this is a list of "PE sections", we
can just say "section". In other places, it is often useful to say "PE section"
to avoid ambiguity.
Also fix the off-by-one in the count of sections.
Let's save all journals from the test machine instead of calling export
on each journal file separately, which makes the code less complicated
(and probably faster).
This should make sure our log lines look nice even if the tty we are
connected to is in raw mode. Normally, it's the TTY's job to turn an NL
we output into a CRNL and interpret it accordingly. However, if the tty
is in "raw" mode it won't do that. Specifically, this is controlled by
the ONLCR flag on the TTY. A TTY might be in raw mode if our "ptyfwd"
logic is used for example, where a 2nd tty is bi-directionally connected
to the primary tty, and duplicate processing is not desired.
Hence, let's just write out the CR on our own. This will make sure that
whenever we output something subsequent output always continues on the
beginning of the next line again, regardless the mode the TTY is in. Of
course, if the TTY is *not* in raw mode, then the extra CR we now
generate is redundant, but it shouldn't hurt either, as it just moves
the cursor to the front of the line even though already is just there.
We only to that if we actually talk to a TTY though, since we don't want
the extra CRs if we are redirected to a pipe or file or so. We are not
on Windows after all.
Fixes: #30155
This fixes a regression caused by 5ed73478e1b1560274038ef30ec6f89022b4d8f6
and aa6123e85e0baea21b6daad175da43ffea30629f.
With these commits, when Reboot dbus method or friends is called,
reset_scheduled_shutdown() is called before shutting down the system,
so the wall message was cleared.
As the wall message itself is unrelated to the scheduling of shutting
down systems, let's keep the message.
Fixes#30167.
If the requested unit is not in the current working directory, it is not
necessary to include the current working directory in SYSTEMD_UNIT_PATH.
Follow-up for 45519d13a4f2a3c3585e672595762ca621abe65e.
Fixes#30166.
The only reason to recommend this would be if people had multiple commands
with the same name in the search path. This probably was never the best idea,
and it happens rarely anyway. Since the patch that dropped requirement for full
paths was introduced, we have dropped support for unmerged-usr and we're planning
to drop support for split-bin at some point too. Many people effectively have just
one directory in the search path, so there is even less reason to use an absolute
path. So let's recommend just using the command name, which makes the unit file
shorter and nicer to read.
An event loop is not "synchronous". So we shouldn't say that the client must
"synchrounusly poll" if we recommend an event loop. Let's just say it should
poll, and say that "sd_bus_wait()" is blocking, which is clearer and more
correct than "synchronous".
I started working on integrating this in the Fedora package and realized that
the example files should be installed regardless of the renamed files when
default-network=true is used. This is because the renamed files become part of
a different package, and we want to have the other files which are used as
documentation in the main package anyway.
