Power Management: Difference between revisions

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The <code>pre-sleep-start</code> script referenced by <code>ExecStart</code> contained directives installed by the [[Displaylink]] package, that contained a flush operation which hung the suspend action. Starting <code>dlm.service</code> or running <code>sudo DisplayLinkManager</code> unblocks the script and made suspend work normally.  
The <code>pre-sleep-start</code> script referenced by <code>ExecStart</code> contained directives installed by the [[Displaylink]] package, that contained a flush operation which hung the suspend action. Starting <code>dlm.service</code> or running <code>sudo DisplayLinkManager</code> unblocks the script and made suspend work normally.  


==== Cancelling an existing suspend action ====
An existing suspend operation that is hung may be interrupted using <code>'''systemctl cancel'''</code> in case reboots or internet access is needed.  
An existing suspend operation that is hung may be interrupted using <code>'''systemctl cancel'''</code> in case reboots or internet access is needed.