Kelvie  
                
               
              
                  
                    November 4, 2023,  3:32am
                   
                   
              421 
               
             
            
              I think this is the right topic, but it appears that the AMD wifi card doesn’t work with suspend-then-hibernate (how are so few people using this functionality???):
  
  
    Final edit (2023-11-05): 
It was solved by @Mario_Limonciello ’s suggestion below, to set rtc_cmos.use_acpi_alarm=1 in the kernel settings. Not sure why, maybe they can explain, but I had it sleep for one hour, wake up, then hibernate last night perfectly. 
Old text: 
I just ran into this – If you’re using the AMD-specific wifi module (not AX210), and you happen to use suspend-then-hibernate (this makes it so your laptop after sleeping for e.g. 60 minutes, will hibernate instead, like a macbook d…
   
 
Also of note is that if you run kernel lockdown mode (and you should), hibernate is disabled unless you use this patch: Enable hibernate during lockdown · GitHub 
             
            
               
               
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