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On a system with SystemD running NixOS running via qemu I have seen this log:

Aug 09 01:01:43 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:01 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:20 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:22 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:24 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:26 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:29 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:31 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:33 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:35 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:36 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:38 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:39 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:42 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:47 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:49 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:49 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:50 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:52 myhost systemd[1]: Looping too fast. Throttling execution a little.
Aug 09 01:02:53 myhost systemd[1]: Job basic.target/start timed out.
Aug 09 01:02:53 myhost systemd[1]: Timed out starting Basic System.
Aug 09 01:02:53 myhost systemd[1]: Dependency failed for Logrotate Service.
Aug 09 01:02:53 myhost systemd[1]: Dependency failed for Multi-User System.
Aug 09 01:02:53 myhost systemd[1]: Dependency failed for SCSI Link Power Management Policy.
Aug 09 01:02:53 myhost systemd[1]: Dependency failed for CPU Frequency Governor Setup.
Aug 09 01:02:53 myhost systemd[1]: Dependency failed for All Containers.
Aug 09 01:02:53 myhost systemd[1]: Dependency failed for Serial console liveness marker.
Aug 09 01:02:53 myhost systemd[1]: Forcibly powering off as result of failure.
Aug 09 01:02:53 myhost systemd[1]: Shutting down.
Aug 09 01:02:53 myhost nixos[18910]: switching to system configuration /nix/store/zfz756pkl9rsap4vh1frrs948k4lxvzn-nixos-1
Aug 09 01:02:53 myhost systemd-shutdown[1]: Sending SIGTERM to remaining processes…

(I deleted some log entries from custom units)

After this the VM turned off. Now I'm wondering what was causing this behavior.

frlan
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  • Something critical failed to start, without which the system could not continue to boot. Try reviewing the rest of the log. – Michael Hampton Aug 10 '16 at 17:40
  • The system was running for about 7 days at this moment. But really having a look one of the custom times failed. Still not yet convienced it was the reason. – frlan Aug 10 '16 at 18:46
  • I've seen this once or twice, too. I'm currently debugging an instance of this issue. Maybe I can find what's triggering this. This seems to be related to a recent configuration change for us (and applying nixos-rebuild switch). – Theuni Mar 07 '17 at 14:44

0 Answers0