Message boards : Theory Application : Theory native fails with \"mountpoint for cgroup not found\"
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kotenok2000
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Message 48654 - Posted: 24 Sep 2023, 13:23:43 UTC

This should allow theory to run:
Add systemd.legacy_systemd_cgroup_controller=yes and systemd.unified_cgroup_hierarchy=false to GRUB_CMDLINE_LINUX in /etc/default/grub
Then run update-grub and restart
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Ryan Munro

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Message 48867 - Posted: 31 Oct 2023, 22:04:46 UTC - in response to Message 48465.  

Newbie question sorry, will this eventually allow Theory to run on the newer distros out of the box without needing to edit anything in the OS?
If so would it be best for us to wait for roll out and just block Theory for now rather than trying to get the current version to work?
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computezrmle
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Message 48869 - Posted: 1 Nov 2023, 6:50:56 UTC - in response to Message 48867.  

will this eventually allow Theory to run on the newer distros

Yes.


out of the box

Yes, but suspend/resume will not work.


without needing to edit anything in the OS

To make suspend/resume work tweaking the OS will be required since some settings must be done as root.
Expect further instructions when the new native app is ready to be published.
(No. I don't know when)
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Ryan Munro

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Message 48878 - Posted: 1 Nov 2023, 9:38:16 UTC - in response to Message 48869.  

will this eventually allow Theory to run on the newer distros

Yes.


out of the box

Yes, but suspend/resume will not work.


without needing to edit anything in the OS

To make suspend/resume work tweaking the OS will be required since some settings must be done as root.
Expect further instructions when the new native app is ready to be published.
(No. I don't know when)


Awesome thanks, ill stick to Atlas for now and wait for the new Theory app.
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princah5

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Message 49002 - Posted: 9 Dec 2023, 19:05:22 UTC - in response to Message 48878.  
Last modified: 9 Dec 2023, 19:12:30 UTC

Installed a new system today (ubuntu 22 lts) and found that some of the theory tasks fail and some don't.
The ones failing have

17:42:16 UTC +00:00 2023-12-09: cranky-0.0.32: [INFO] Running Container 'runc'.
container_linux.go:336: starting container process caused "process_linux.go:293: applying cgroup configuration for process caused \"mountpoint for cgroup not found\""

which is apparently the issue described here in this thread,
The one succeeding however have

17:40:13 UTC +00:00 2023-12-09: cranky-0.1.4: [INFO] Found 'runc version spec: 1.0.2-dev' at '/cvmfs/grid.cern.ch/vc/containers/runc.new'.
17:40:13 UTC +00:00 2023-12-09: cranky-0.1.4: [INFO] Minor requirements are missing. Will try to run this task in legacy mode.

I did not changed anything locally so the latter one seems to be distributed server side. However, I do have the beta option activated.
The name of the tasks however does not yield any hint to beta app, the only difference is that the failing ones have Theory Simulation v300.07 and the succeeding ones have Theory Simulation v300.08.

Short question: Are the 08 versions already distributed via regular Theory Tasks and should I keep the application activated in the profile, or are they distributed vie Beta only and should I keep the application deactivated in profile?

EDIT: Just noticed this thread https://lhcathome.cern.ch/lhcathome/forum_thread.php?id=6075#48978, question already answered.


Best
Carsten[url][/url]
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Ryan Munro

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Message 49203 - Posted: 17 Jan 2024, 23:32:41 UTC

Is theory working now? setup a new system today and before I could assign it to a profile it downloaded a theory app and it seems to be working, only got the one though despite 4k+ being avalaible.
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maeax

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Message 49204 - Posted: 17 Jan 2024, 23:46:05 UTC - in response to Message 49203.  
Last modified: 17 Jan 2024, 23:49:27 UTC

If cgroup v2 is not fullfilled, it running with cgroup v1 as before.
23:27:40 GMT +00:00 2024-01-17: cranky-0.1.4: [INFO] Found 'runc version spec: 1.0.2-dev' at '/cvmfs/grid.cern.ch/vc/containers/runc.new'.
23:27:40 GMT +00:00 2024-01-17: cranky-0.1.4: [INFO] Minor requirements are missing. Will try to run this task in legacy mode.
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computezrmle
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Message 49205 - Posted: 18 Jan 2024, 7:57:54 UTC - in response to Message 49203.  

only got the one though despite 4k+ being avalaible

Meanwhile your new system got 170 Theory tasks.


Cgroups v2 is active but your tasks run in legacy mode since sudo version is < 1.9.10.
If you find a more recent sudo version provided by your Linux vendor (!) you may try this.
But be aware that sudo is a critical system command that should not be replaced "just for fun".


In addition your tasks are using runc from CVMFS (v1.0.2-dev).
If your Linux vendor provides a newer one install that as it will be better integrated.
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Ryan Munro

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Message 49206 - Posted: 18 Jan 2024, 14:47:53 UTC

Had to reinstall the OS, now the tasks are failing again, the output looks the same as the previous ones that worked though?

https://lhcathome.cern.ch/lhcathome/result.php?resultid=404563418 (Failed)

https://lhcathome.cern.ch/lhcathome/result.php?resultid=404562010 (Completed)
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Message 49374 - Posted: 3 Feb 2024, 13:06:52 UTC

Any news on how to get these working on newer distros yet? thanks
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Message boards : Theory Application : Theory native fails with \"mountpoint for cgroup not found\"


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