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While this offers quite a few benefits for normally scheduled processes
this breaks RT scheduling for all user processes, since we do not assign
an RT share to the cgroups created via this mechanism. If the user
cgroups have no RT share assigned no member process can make use of RT
functionality. However, software like JACK and PA/rtkit assume that RT
is available in some way or another, either via RLIMIT_RTPRIO or via
some privileged service. Creating implicit cpu cgroups but not adding
RT shares to them hence breaks these applications.
There is no sane way to implicitly add RT shares to these groups, since
they are pulled from a global, limited pool and it would hence be very
hard to make this work without limiting the number of concurrent
sessions, or constantly rewriting the cpu share settings of already
logged in session cgroups.
Most likely this issue needs to be fixed in-kernel because we can enable
this feature by default again.
If you have a path unit with:
DirectoryNotEmpty=/foo
and "/foo" does not exist, creating it later escapes the attention of systemd.
When adding watches for parent directories, systemd never adds one for the root
directory. It attempts to add a watch for an empty string instead, which fails.
If the path is "/", we must not trim the slash.
When cross-compiling systemd, the introspection XML files fail to be
generated because the systemd host binary is not executable. This patch
works around this by putting the introspection XML data into separate
ELF sections and extracting them from the binary when generating the XML
files.
The extracted XML data is passed through the strings utility in order to
strip the trailing NUL character. A small AWK script is used to prepend
the doctype and add the opening and closing node tags respectively.
Finally, the C preprocessor is used to substitute the correct doctype
information from the D-Bus header files.
This reverts commit c8bc83f5ea.
As Karel pointed out the -l switch doesn't actualy conflict with
per-filesystem options, since those can be seperated by -- in the
command line. Since -l is here to stay we hence enable it again for now.
We should not handle the ignore list as API mounts, as
systemd itself never touches them.
On Thu, Nov 11, 2010 at 10:34, Andreas Jaeger <aj@novell.com> wrote:
>
> I noticed for some time that systemd-remount-api-vfs is in the
> failed state and found now the following in the log files
>
> systemd-remount-api-vfs[467]: /bin/mount for /proc/bus/usb exited with exit status 32.
> systemd-remount-api-vfs[467]: mount: /proc/bus/usb not mounted already, or bad option
> systemd[1]: systemd-remount-api-vfs.service: main process exited, code=exited, status=1
> systemd[1]: Unit systemd-remount-api-vfs.service entered failed state.
At least Mandriva offers configuring characters to toggle
keyboard layout independently from main keymap. This functions
much the same as XkbOptions for X11 and actually is configured
together. The patch adds support for additional keymap,
KEYMAP_TOGGLE, to /etc/vconsole.conf, that is intended to be
used for the same purpose.
I've been playing recently with systemd on Arch, and had much fun. But
soon, alas, my fingers started to ache from repeatedly writing
systemctl restart some-long-service.service. So, I wrote a completion
script. I figured other people may want to use it, so I prepared a
patch against systemd-git (attached).
There are some notes/disclaimers, however:
- It requires bash>=4.0, sed, grep and awk. A bash-completion package
is not strictly needed; sourcing the file is enough.
- It wouldn't work properly with --session, as I had no way to test it.
- It uses the output of systemctl list-units directly when that's
enough, but also runs systemctl show when completing on some verbs
(for example, to check for AllowIsolate=yes). This /may/ be somewhat
slow once there are many units, since it calls a dbus method on each
one. Is there a faster way to have that information?
- The code is perhaps a bit long and messy; honestly, I blame the tool ;)
One way to improve on the situation is to integrate some completion
code in systemctl itself, the way e.g. gdbus, gsettings and django do
it. This will allow for finer grained and faster completions, and it
won't be necessary to keep the verb/option tables in sync with some
other file. But it does mean adding all of this code in C. If this is
acceptable, I'll try to have a go at it.
Finally, a couple of completion tips I run into:
- If you alias systemctl to, say, sctl, you get completions on that
too by running to following command:
complete -F _systemctl sctl
- Add the following line to your .inputrc, to have the completion show
after only a single tab press:
set show-all-if-ambiguous on
It makes the shell quite more pleasant.
Hope it's good enough!
Ran
Systemd was unconditionally replacing all tags with own.
The net effect was udev-acl tag was lost and devices were
not given proper ACLs, making them inaccessible.
Before:
{pts/0}% udevadm info --query property --name sr0
DEVNAME=/dev/sr0
[...]
TAGS=:systemd:
{pts/0}% getfacl /dev/sr0
getfacl: Removing leading '/' from absolute path names
# file: dev/sr0
# owner: root
# group: cdrom
user::rw-
group::rw-
other::---
After:
{pts/0}% udevadm info --query property --name sr0
DEVNAME=/dev/sr0
[...]
TAGS=:udev-acl:systemd:
{pts/0}% getfacl /dev/sr0
getfacl: Removing leading '/' from absolute path names
# file: dev/sr0
# owner: root
# group: cdrom
user::rw-
user:bor:rw-
group::rw-
mask::rw-
other::---
Signed-off-by: Andrey Borzenkov <arvidjaar@gmail.com>
The '-l' option is already taken by fsck.ext[234]:
"-l bad_blocks_file Add to badblocks list"
This reverts commit cf1a105550 but keeps
the string changes.
The property StopRetroactively= needs to be per-dependency, not
per-unit, in order to properly express dependencies between .mount units
and its .device and fsck .service units. If the .device unit is
unplugged the mount should go away, but if the fsck process terminates
the .mount should stay.
If IPv6 is loaded with disable=1, any IPv6 functionality is completely
disabled until the ipv6 module is reloaded. Do not assume IPv6 is available just
because the module is present. Fixes startup error:
Oct 27 20:58:02 cooker kernel: IPv6: Loaded, but administratively disabled, reboot required to enable
Oct 27 20:58:02 cooker kernel: systemd[1]: Set hostname to <cooker>.
Oct 27 20:58:02 cooker kernel: systemd[1]: Netlink failure for request 2: Operation not supported
Oct 27 20:58:02 cooker kernel: systemd[1]: Failed to configure loopback device: Operation not supported
Increment n_failed in mount_points_list_umount() if we skip /.
Otherwise it can happen that mount_points_list_remount_read_only() is
not called in umount_all().
The approved method for determining the installed release of
Ubuntu is to execute "lsb_release". However, this is in /usr/bin and
is implemented in python so it is not safe to execute at this early
stage of booting. This code parses /etc/lsb-release which is
where "lsb_release" looks for the information.
Previously Ubuntu was treated as being equivalent to Debian, but the two
distributions require different behaviour in certain places. This commit does
not change the behaviour of systemd on either distro but it creates a
framework for changes to be introduced by later commits.
The following previously meant "Target is Debian or Ubuntu".
* configure option "--with-distro=debian"
* C preprocessor symbol "TARGET_DEBIAN"
* Automake conditional "TARGET_DEBIAN"
After this commit, all of the above are redefined to mean "Target is Debian"
The following are introduced to mean "Target is Ubuntu".
* configure option "--with-distro=ubuntu"
* C preprocessor symbol "TARGET_UBUNTU"
* Automake conditional "TARGET_UBUNTU"
Most code written for Debian will also be applicable to Ubuntu. An extra
Automake conditional "TARGET_DEBIAN_OR_UBUNTU" is introduced to avoid
duplication of code that would otherwise occur.
This commit updates configure.ac, Makefile.am and distro-specific source files
in line with the above definitions.
