On Fri, 2020-04-17 at 01:10 -0700, Samuel Sieb wrote:
> On 4/17/20 1:07 AM, Patrick O'Callaghan wrote:
> > On Thu, 2020-04-16 at 17:12 -0700, Samuel Sieb wrote:
> > > On 4/13/20 9:51 AM, Sreyan Chakravarty wrote:
> > > > I have just configured a 8GB swap file on my Fedora 31 laptop. But it
> > > > seems that SELinux is blocking access to the swap file.
> > > 
> > > Can you hibernate to a swap *file*?  I thought it had to be a partition.
> > >    How would you set up the resume line for that?
> > 
> > It has to be a partition. A file can be on any kind of filesystem, so
> > how would the resume function know what to do?
> > 
> >  From systemd-hibernate-resume(8):
> > 
> > systemd-hibernate-resume@.service initiates the resume from hibernation. It 
> > is instantiated with the device to resume from as the template argument.
> > 
> > systemd-hibernate-resume only supports the in-kernel hibernation 
> > implementation, known as swsusp[1]. Internally, it works by writing the 
> > major:minor of specified device node to /sys/power/resume.
> 
> That's why I'm confused about the original question.  He made a swap 
> file for hibernating and it's not working because of an selinux issue. 
> But even if that is resolved, it's still not going to work.

Exactly.

poc
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