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Avoid warning messages when booting systemd-nspawn containers and using
hybrid or legacy cgroups. systemd-nspawn mounts the cgroups v1 controller
tree as read-only so these errors are expected and not problematic.
Partially fixes#17862.
Test plan:
- Before: `mkosi --default .mkosi/mkosi.fedora boot`
```
‣ Processing default...
Spawning container image on /home/daan/projects/systemd/image.raw.
Press ^] three times within 1s to kill container.
systemd 247 running in system mode. (+PAM +AUDIT +SELINUX -APPARMOR +IMA +SMACK +SECCOMP +GCRYPT +GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 +PWQUALITY +P11KIT +QRENCODE +BZIP2 +LZ4 +XZ +ZLIB +ZSTD +XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified)
Detected virtualization systemd-nspawn.
Detected architecture x86-64.
Welcome to Fedora 33 (Thirty Three)!
Queued start job for default target Graphical Interface.
-.slice: Failed to migrate controller cgroups from , ignoring: Read-only file system
system.slice: Failed to delete controller cgroups /system.slice, ignoring: Read-only file system
[ OK ] Created slice system-getty.slice.
[ OK ] Created slice system-modprobe.slice.
user.slice: Failed to delete controller cgroups /user.slice, ignoring: Read-only file system
[ OK ] Created slice User and Session Slice.
[ OK ] Started Dispatch Password Requests to Console Directory Watch.
[ OK ] Started Forward Password Requests to Wall Directory Watch.
[ OK ] Reached target Local Encrypted Volumes.
[ OK ] Reached target Paths.
[ OK ] Reached target Remote File Systems.
[ OK ] Reached target Slices.
[ OK ] Reached target Swap.
[ OK ] Listening on Process Core Dump Socket.
[ OK ] Listening on initctl Compatibility Named Pipe.
[ OK ] Listening on Journal Socket (/dev/log).
[ OK ] Listening on Journal Socket.
[ OK ] Listening on User Database Manager Socket.
dev-hugepages.mount: Failed to delete controller cgroups /dev-hugepages.mount, ignoring: Read-only file system
Mounting Huge Pages File System...
sys-fs-fuse-connections.mount: Failed to delete controller cgroups /sys-fs-fuse-connections.mount, ignoring: Read-only file system
Mounting FUSE Control File System...
Starting Journal Service...
Starting Remount Root and Kernel File Systems...
system.slice: Failed to delete controller cgroups /system.slice, ignoring: Read-only file system
```
After: `mkosi --default .mkosi/mkosi.fedora boot`
```
‣ Processing default...
Spawning container image on /home/daan/projects/systemd/mkosi.output/image.raw.
Press ^] three times within 1s to kill container.
systemd 247 running in system mode. (+PAM +AUDIT +SELINUX -APPARMOR +IMA +SMACK +SECCOMP +GCRYPT +GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 +PWQUALITY +P11KIT +QRENCODE +BZIP2 +LZ4 +XZ +ZLIB +ZSTD +XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified)
Detected virtualization systemd-nspawn.
Detected architecture x86-64.
Welcome to Fedora 33 (Thirty Three)!
Queued start job for default target Graphical Interface.
[ OK ] Created slice system-getty.slice.
[ OK ] Created slice system-modprobe.slice.
[ OK ] Created slice User and Session Slice.
[ OK ] Started Dispatch Password Requests to Console Directory Watch.
[ OK ] Started Forward Password Requests to Wall Directory Watch.
[ OK ] Reached target Local Encrypted Volumes.
[ OK ] Reached target Paths.
[ OK ] Reached target Remote File Systems.
[ OK ] Reached target Slices.
[ OK ] Reached target Swap.
[ OK ] Listening on Process Core Dump Socket.
[ OK ] Listening on initctl Compatibility Named Pipe.
[ OK ] Listening on Journal Socket (/dev/log).
[ OK ] Listening on Journal Socket.
[ OK ] Listening on User Database Manager Socket.
Mounting Huge Pages File System...
Mounting FUSE Control File System...
Starting Journal Service...
Starting Remount Root and Kernel File Systems...
[ OK ] Mounted Huge Pages File System.
[ OK ] Mounted FUSE Control File System.
[ OK ] Finished Remount Root and Kernel File Systems.
Starting Create Static Device Nodes in /dev...
[ OK ] Finished Create Static Device Nodes in /dev.
[ OK ] Reached target Local File Systems (Pre).
[ OK ] Reached target Local File Systems.
Starting Restore /run/initramfs on shutdown...
[ OK ] Finished Restore /run/initramfs on shutdown.
[ OK ] Started Journal Service.
Starting Flush Journal to Persistent Storage...
[ OK ] Finished Flush Journal to Persistent Storage.
Starting Create Volatile Files and Directories...
[ OK ] Finished Create Volatile Files and Directories.
Starting Network Name Resolution...
Starting Update UTMP about System Boot/Shutdown...
[ OK ] Finished Update UTMP about System Boot/Shutdown.
[ OK ] Reached target System Initialization.
[ OK ] Started Daily Cleanup of Temporary Directories.
[ OK ] Reached target Timers.
[ OK ] Listening on D-Bus System Message Bus Socket.
[ OK ] Reached target Sockets.
[ OK ] Reached target Basic System.
Starting Home Area Manager...
Starting User Login Management...
Starting Permit User Sessions...
[ OK ] Finished Permit User Sessions.
[ OK ] Started Console Getty.
[ OK ] Reached target Login Prompts.
Starting D-Bus System Message Bus...
[ OK ] Started D-Bus System Message Bus.
[ OK ] Started Home Area Manager.
[ OK ] Started User Login Management.
[ OK ] Reached target Multi-User System.
[ OK ] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[ OK ] Finished Update UTMP about System Runlevel Changes.
[ OK ] Started Network Name Resolution.
[ OK ] Reached target Host and Network Name Lookups.
Fedora 33 (Thirty Three) (built from systemd tree)
Kernel 5.9.11-arch2-1 on an x86_64 (console)
```
This test should ensure we notice if distros update shared libraries
that broke so name, and we still use the old soname.
(In contrast to what the commit summary says, this currently doesn#t
cover really all such deps, specifically xkbcommon and PCRE are missing,
since they currently aren't loaded from src/shared/. This is stuff to
fix later)
Let's add a dlopen_qrencode() function that does the actual dlopen()
stuff and caches the result.
This is useful so that we later can automatically test for all dlopen
hookups to work correctly.
When manager_{set|override}_watchdog is called, set the watchdog timeout
regardless of whether the hardware watchdog was successfully initialized. If
the watchdog was requested but could not be initialized, then instead of
pinging it, attempt to initialize it again. This ensures that the hardware
watchdog is initialized even if the kernel module for it isn't loaded when
systemd starts (which is quite likely, unless it is compiled in).
This builds on work by @danc86 in https://github.com/systemd/systemd/pull/17460,
but fixes the issue of not updating the watchdog timeout with the actual value
from the hardware.
Fixes https://github.com/systemd/systemd/issues/17838
Co-authored-by: Dan Callaghan <djc@djc.id.au>
Co-authored-by: Michael Marley <michael@michaelmarley.com>
This is a fix of #17751. Specifically:
1. Sort #include headers again
2. Remove tabs, as per coding style
3. Don't install fds in half-initialized objects
4. Use asynchronous_close() everywhere
That all said:
Quit frankly, I am not convinced we should do all this at all. If
close()ing of these input devices is really that slow, then this should
probably be fixed in the kernel, not worked around in userspace like
this.
Commit [1] added a workaround when unified cgroups are used but missed
legacy cgroups where there is the same issue.
[1] <2dbc45aea7>
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
--qemu-headless configures the generated image and mkosi's qemu
command to connect to the VM via the serial port. This allows
spawning a qemu VM within the user's terminal instead of spawning
a graphical GTK GUI. --qemu-headless sets TERM, COLUMNS and LINES
in serial-getty@ttyS0.service in the container which makes the
terminal in the VM behave almost equivalent to the one on the host.
This change makes testing changes to systemd using mkosi + QEMU a
lot easier compared to before as commands can be executed in the VM
from the comfort of one's terminal compared to the Linux console
available when running via the GTK GUI.
After #17834, unreachable routes generated through DHCP6 are managed by
Manager. But they are referrenced by the DHCP6 uplink. So, the routes
managed by Manager must be freed after all Link objects are freed.
Follow-up for 575f14eef0.
Fixes SIGABRT reproted in #17831.
This partially reverts fe841414ef and
2a236f9fc0.
For IPv4, kernel compares the local address, prefix, and prefixlen.
For IPv6, kernel compares only the local address.
Let's follow the kernel's comparison way.
Fixes#17831.
The old code was only able to pass the value 0 for the inheritable
and ambient capability set when a non-root user was specified.
However, sometimes it is useful to run a program in its own container
with a user specification and some capabilities set. This is needed
when the capabilities cannot be provided by file capabilities (because
the file system is mounted with MS_NOSUID for additional security).
This commit introduces the option --ambient-capability and the config
file option AmbientCapability=. Both are used in a similar way to the
existing Capability= setting. It changes the inheritable and ambient
set (which is 0 by default). The code also checks that the settings
for the bounding set (as defined by Capability= and DropCapability=)
and the setting for the ambient set (as defined by AmbientCapability=)
are compatible. Otherwise, the operation would fail in any way.
Due to the current use of -1 to indicate no support for ambient
capability set the special value "all" cannot be supported.
Also, the setting of ambient capability is restricted to running a
single program in the container payload.
MESON_INSTALL_QUIET is set when --quiet is passed to meson install.
Make sure we check the variable in our custom install scripts and
don't output anything if it is set.
