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quickly
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Tom Gundersen noticed a regression where comment=systemd.automount in
fstab no longer prevented the adding of the After=foo.mount dependency
into local-fs.target. He bisected it to commit 9ddc4a26.
It turns out that clearing the default_dependencies flag is necessary
after all, in order to avoid complementing of Wants= with After= in the
target unit. We still want to add the dependencies on quota units and
umount.target though.
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In preparation for https://bugzilla.gnome.org/show_bug.cgi?id=655380 we
decided it's better to include the multi-seat X wrapper in systemd,
rather than gdm. (Side effect: this makes this accessible for other
DMs)
This is a stop-gap for now, until X gins proper multi-seat graphics
support at which point this code will go away without replacement.
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device
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Hi,
during the builds for Fedora/s390x I've found that systemd v38 fails to
build on big-endian platforms.
...
make[2]: Entering directory `/root/systemd'
CC src/journal/libsystemd_journal_la-sd-journal.lo
src/journal/sd-journal.c: In function 'init_location':
src/journal/sd-journal.c:69:22: error: incompatible types when
initializing type 'long unsigned int' using type 'sd_id128_t'
src/journal/sd-journal.c:69:20: error: incompatible types when assigning
to type 'sd_id128_t' from type 'long unsigned int'
make[2]: *** [src/journal/libsystemd_journal_la-sd-journal.lo] Error 1
I see the problem in using le64toh() on the 16 bytes boot_id structure
in init_location()
Please see
http://s390.koji.fedoraproject.org/koji/taskinfo?taskID=544375 for a
full build log and attachment for a proposed fix.
With regards
Dan
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Albert Strasheim reported a socket unit with Accept=yes was failing
sometimes.
getpeername() returns ENOTCONN if the connection was killed by TCP RST.
The socket unit must not fail when it happens.
Reproducer available at:
https://bugzilla.redhat.com/show_bug.cgi?id=783344
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Since the addition of ControlGroupPersistent, systemd is trivially
killed by "systemctl status any.service".
bus_property_append_bool must not be used for a tri-state int.
Also, should it really "b", or do we want the tri-state nature to be seen?
For now just comment out the buggy DBus property.
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The pid file watch could outlive the service unit if a daemon-reload
request came at the right time. The inotify event would then be
delivered to who knows where.
Fix it by unwatching in the service destructor.
Further changes will be needed to preserve the state of the pid file
watch across daemon-reload. For now let's just fix the crash observed
by Jóhann Guðmundsson:
Assertion 's->state == SERVICE_START || s->state == SERVICE_START_POST'
failed at src/service.c:2609, function service_fd_event(). Aborting
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=783118
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Koen reported errors with gcc 4.5.4 for arm:
src/log.c:624:9: error: #pragma GCC diagnostic not allowed inside
functions
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manipulations at boot time, a la sysctl
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early boot operation, even if it sucks
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with left-over sessions
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Red turned green by mistake in commit c1072ea0.
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On my x86_64 this shrinks the size of .text by 53 KB (7 %).
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abort() never returns. Not even if the signal handler catches SIGABRT.
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The dbus_unit_append_*() functions are not referenced from outside anymore.
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The way the various properties[] arrays are initialized is inefficient:
- only the .data members change at runtime, yet the whole arrays of
properties with all the fields are constructed on the stack one by
one by the code.
- there's duplication, eg. the properties of "org.freedesktop.systemd1.Unit"
are repeated in several unit types.
Fix it by moving the information about properties into static const
sections. Instead of storing the .data directly in the property, store
a constant offset from a run-time base.
The small arrays of struct BusBoundProperties bind together the constant
information with the right runtime information (the base pointer).
On my system the code shrinks by 60 KB, data increases by 10 KB.
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Always use the macros for downcasting.
Remove a few obviously pointless casts.
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The UNIT() macro upcasts from specific unit types to the base Unit.
Use it everywhere, rather than accessing the 'meta' member directly.
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Now that objects of all unit types are allocated the exact amount of
memory they need, the Unit union has lost its purpose. Remove it.
"Unit" is a more natural name for the base unit class than "Meta", so
rename Meta to Unit.
Access to members of the base class gets simplified.
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The storage of the unit objects on the heap is currently not very
efficient. For every unit object we allocate a chunk of memory as large
as the biggest unit type, although there are significant differences in
the units' real requirements.
pahole shows the following sizes of structs:
488 Target
496 Snapshot
512 Device
528 Path
560 Timer
576 Automount
1080 Socket
1160 Swap
1168 Service
1280 Mount
Usually there aren't many targets or snapshots in the system, but Device
is one of the most common unit types and for every one we waste
1280 - 512 = 768 bytes.
Fix it by allocating only the right amount for the given unit type.
On my machine (x86_64, with 39 LVM volumes) this decreases systemd's
USS (unique set size) by more than 300 KB.
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The messages make people nervous.
https://bugzilla.redhat.com/show_bug.cgi?id=727315
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