This bug was fixed in the package systemd - 229-4ubuntu21.23
---
systemd (229-4ubuntu21.23) xenial; urgency=medium
* d/p/core-use-an-AF_UNIX-SOCK_DGRAM-socket-for-cgroup-age.patch:
- prevent logind from leaking session files (LP: #1846787)
-- Heitor Alves de Siqueira Mon,
For documentation purposes,
The systemd upload for this LP bug also resolves LP bug 1847512
(xenial: leftover scope units for Kubernetes transient mounts).
Verification steps posted on that bug.
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Verification done on xenial-proposed.
With the new systemd and dbus packages, there are no leaked sessions
after the test-case of ssh loop.
The autopkgtests regressions reported previously are unrelated to this
change (comments #11 to #16).
cheers,
Mauricio
Setup
---
$ sudo snap install
The remaining autopkgtests regressions (nplan/amd64 and gvfs/s390x) are
also unrelated to this change.
- nplan/amd64 passed with 3 retests:
Before:
test_mix_bridge_on_bond (__main__.TestNetworkManager) ... FAIL
...
integration.py FAIL non-zero exit status 1
After:
The autopkgtests regression on docker.io are unrelated to this change.
The failure is on debian/tests/basic-smoke; it happens because
'debootstrap stable ' fails the gpg verification of the Release
file -- the keys used for the Buster stable release are not found in
Xenial's
Summary of autopkg regressions
systemd:
- most tests passed on retest (thanks ddstreet)
- still failing: gvfs/s390x, docker.io/all archs but armhf, nplan/amd64
dbus:
- no new failures.
Looking at the pending failures/regressions.
systemd
--
umockdev/0.8.11-2 (i386)
passed on retest.
Hello Heitor, or anyone else affected,
Accepted dbus into xenial-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/dbus/1.10.6-1ubuntu3.5
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
Hello Heitor, or anyone else affected,
Accepted systemd into xenial-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/systemd/229-4ubuntu21.23 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
@brian-murray @racb I've checked the patch. This is a minimally modified
cherry-pick from upstream, it is sane and there are no known regressions
caused by it. I'm +1 on accepting it.
@halves thanks for the patch!
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Balint could you have a look this patch as a substiture for Dimitri?
Thanks!
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https://bugs.launchpad.net/bugs/1846787
Title:
systemd-logind leaves leftover sessions and scope
Marking incomplete based on the fact that Robie has asked for additional
review.
** Changed in: systemd (Ubuntu Xenial)
Status: In Progress => Incomplete
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no review happened yet, a month later..
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https://bugs.launchpad.net/bugs/1846787
Title:
systemd-logind leaves leftover sessions and scope files
Status in dbus package in
uploaded dbus and systemd to xenial queue, thanks!
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https://bugs.launchpad.net/bugs/1846787
Title:
systemd-logind leaves leftover sessions and scope files
Status in dbus
The patches are on the medium-to-large size, but I have reviewed them
and as far as I can tell they appear correct. The systemd patch is
needed to fix the cgroup-agent from overrunning the dbus socket
connection queue, and the dbus patches are needed to prevent a highly
loaded dbus message queue
** Description changed:
[Impact]
Scope file leakage can cause SSH delays and reduce performance in systemd
[Description]
The current systemd-logind version present in Xenial can leave abandoned SSH
sessions and scope files in cases where the host sees a lot of concurrent SSH
** Changed in: systemd (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: systemd (Ubuntu)
Importance: Undecided => Medium
** Changed in: dbus (Ubuntu)
Importance: Undecided => Medium
** Changed in: dbus (Ubuntu Xenial)
Importance: Undecided => Medium
** Tags added:
** Patch added: "lp1846787-systemd-xenial.debdiff"
https://bugs.launchpad.net/ubuntu/+source/dbus/+bug/1846787/+attachment/5295137/+files/lp1846787-systemd-xenial.debdiff
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** Description changed:
[Impact]
Scope file leakage can cause SSH delays and reduce performance in systemd
[Description]
The current systemd-logind version present in Xenial can leave abandoned SSH
sessions and scope files in cases where the host sees a lot of concurrent SSH
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