From: p_d_a_s_i_l_v_a_ns@nonetnoaddress.pt   
      
   Hi!   
      
   I have installed a hwe kernel in my kubuntu 20.04. I needed to do that   
   because the standard kernel caused random freezes.   
   It has been working pretty well for long time even after changing a   
   couple of kernel versions, the last working one being 5.13.0.   
   Now there came another version 5.15.0. After a normal update and reboot   
   the system hangs at "Loading initial ramdisk"!   
   Booting 5.13.0 still works fine.   
      
   I have tried to rebuild initramfs, reinstall the nvidia drivers,   
   update-grub. No success :-(   
      
   Any suggestions?   
      
   Thanks   
   Paulo   
      
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