Le Tue, 3 Jul 2018 17:37:56 +0000
Dave Carroll <david.carroll@xxxxxxxxxxxxx> 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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Emmanuel Florac | Direction technique
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