Bug 1095988 - systemd killing everything in cgroup when ssh session closes?
Summary: systemd killing everything in cgroup when ssh session closes?
Keywords:
Status: CLOSED EOL
Alias: None
Product: Fedora
Classification: Fedora
Component: systemd
Version: 19
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: systemd-maint
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2014-05-09 03:10 UTC by Ian Colle
Modified: 2015-02-17 20:14 UTC (History)
8 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-02-17 20:14:22 UTC
Type: Bug
Embargoed:


Attachments (Terms of Use)

Description Ian Colle 2014-05-09 03:10:50 UTC
Description of problem:
I'm 90% sure this is systemd killing everything in the cgroup when ceph-deploy's ssh session closes. The log file just ends (kill -9?) right when the ceph-deploy command finishes. In the cases where we start several OSDs at once, they all stay running until it finishes and then all die at once, consistent with the ssh close.

The f19 config options don't explicitly enable KillUserProcesses or kill-session-processes (at least that i can see), but i can't figure out how to view what the default is.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info: Log of one of the failed tests
http://qa-proxy.ceph.com/teuthology/teuthology-2014-03-05_01:10:15-ceph-deploy-firefly-distro-basic-vps/117053/teuthology.log

http://tracker.ceph.com/issues/7627

Comment 1 Zbigniew Jędrzejewski-Szmek 2014-05-09 12:25:27 UTC
The default is control-group, consistent with your description (see http://www.freedesktop.org/software/systemd/man/systemd.kill.html#KillMode=).
You shouldn't start system services from within a user session (long-lived or otherwise), but from within a systemd unit.

Using http://www.freedesktop.org/software/systemd/man/systemd-run.html is one way to do it without running any unit files.

Comment 2 Fedora End Of Life 2015-01-09 21:21:24 UTC
This message is a notice that Fedora 19 is now at end of life. Fedora 
has stopped maintaining and issuing updates for Fedora 19. It is 
Fedora's policy to close all bug reports from releases that are no 
longer maintained. Approximately 4 (four) weeks from now this bug will
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Comment 3 Fedora End Of Life 2015-02-17 20:14:22 UTC
Fedora 19 changed to end-of-life (EOL) status on 2015-01-06. Fedora 19 is
no longer maintained, which means that it will not receive any further
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