Bug 729368 - systemd failed to start service no such file or directory
Summary: systemd failed to start service no such file or directory
Alias: None
Product: Fedora
Classification: Fedora
Component: anaconda
Version: 16
Hardware: Unspecified
OS: Unspecified
Target Milestone: ---
Assignee: Will Woods
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2011-08-09 17:28 UTC by Jóhann B. Guðmundsson
Modified: 2013-02-26 15:12 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2013-02-26 15:12:06 UTC
Type: ---

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Description Jóhann B. Guðmundsson 2011-08-09 17:28:05 UTC
Description of problem:

There is a systemd startup error which I do believe is caused because you guys linked dbus.target into anaconda.target.want directory since there is no such thing as an dbus.target hence the error

However there is a dbus.socket which should be pulled in via the socket target but if it does not then you should link to that instead, instead of the nonexisting dbus.target

I also noticed when I ran systemd-analyze blame is that udev-settle is running and is highest offender afaik nothing should rely on udev-settle in theory if it does, it's a hack or it's broken and I had disabled it in my poc package for live images to run so I ask if there is any particular reason on why you are running it?  

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

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Comment 1 Jóhann B. Guðmundsson 2011-08-09 17:31:04 UTC
Oh and I also noticed that you are running systemd-readahead-collect.service any particular reason for doing that I also disable that in my poc package since running readhead on live images dont service any purpose.

Comment 2 Jóhann B. Guðmundsson 2011-08-09 20:12:37 UTC
Note this is fixed in this patch http://www.redhat.com/archives/anaconda-devel-list/2011-August/msg00105.html

systemd-analyze blame on Fedora-DVD Alpha RC3 looked like for Anaconda...

3693ms udev-settle.service
1380ms fedora-storage-init-late.service
1059ms udev-trigger.service
 558ms systemd-tmpfiles-setup.service
 531ms NetworkManager.service
 459ms dbus.service
 442ms udev.service
 290ms rsyslog.service
 281ms mdmonitor-takeover.service
 264ms var-run.mount
 259ms tmp.mount
 230ms remount-rootfs.service
 193ms systemd-readahead-collect.service
 181ms systemd-vconsole-setup.service
 174ms lvm2-monitor.service
 170ms fedora-autoswap.service
 139ms systemd-sysctl.service
Now I noticed that there is for improvement..

Nothing should rely on udev-settle in theory if it does, it's a hack or it's broken ( it probably needs to be looked into if anaconda depends on this )
-3693ms udev-settle.service

Not needed because we are running off an image
-1380ms fedora-storage-init-late.service

MD raid related services are not needed since images are not running raid devices
-281ms mdmonitor-takeover.service

Readahead does not service purpose running here..
-193ms systemd-readahead-collect.service

Not needed because we are running off an image
-174ms lvm2-monitor.service

Old Fedora/Rhel-specific cruft and Bill might have killed it at the time of this writing if not it should be killed at somepoint...
-170ms fedora-autoswap.service

3693+1380+281+193+174+170 = 5891ms that could be shaved off that boot time :) 

A test patch that does this could be done to see improvements :)

ln -sf /dev/null /etc/systemd/system/udev-settle.service
ln -sf /dev/null /etc/systemd/system/fedora-storage-init-late.service
ln -sf /dev/null /etc/systemd/system/mdmonitor-takeover.service
ln -sf /dev/null /etc/systemd/system/systemd-readahead-collect.service
ln -sf /dev/null /etc/systemd/system/lvm2-monitor.service
ln -sf /dev/null /etc/systemd/system/fedora-autoswap.service

Comment 3 Fedora End Of Life 2013-01-16 20:53:21 UTC
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Comment 4 Fedora End Of Life 2013-02-26 15:12:08 UTC
Fedora 16 changed to end-of-life (EOL) status on 2013-02-12. Fedora 16 is 
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