Le Tue, 3 Jul 2018 17:37:56 +0000
Dave Carroll <david.carr...@microsemi.com> écrivait:

> > [   61.076949] SME is active and system is using DMA bounce buffers
> > [   61.076954] aacraid: Comm Interface type2 enabled
> >   
> 
> Both controllers are capable of 64-bit DMA, however the communication
> area should be 32-bit. Is this issue specific to Secure Memory
> Encryption? Does it occur without that enabled?

The machine with the big  array is a very old Opteron, so it definitely
not SME capable. I'll try without SME to be sure, is there a way to
disable it that you know of or should I compile another kernel?

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