There is one change to mm in 4.10.0-21 and it is: ddfc93a33110 x86/mm/KASLR: Exclude EFI region from KASLR VA space randomization
Again, it may not be related, just investigating the trace posted in comment #18
There is one change to mm in 4.10.0-21 and it is:
ddfc93a33110 x86/mm/KASLR: Exclude EFI region from KASLR VA space randomization
Again, it may not be related, just investigating the trace posted in comment #18