Comment 15 for bug 1823037

Running Ubuntu 19.10 5.4.3-050403-generic

Ryzen 3900x GA x570 UD mainboard DDR 3200 ,

I have been getting data corruption on my 4x SSD on Sata ports ( btrfs/ext4)
disks running from my LSI / Avago SAS Raid 9302-16e 12Gb/s PCIe 3.0 controller (btrfs/EXT4)
and all my disks running from my HBA (zfs)

I started off with PCI-e gen 4 dropped it to gen 3 as that is what my raid controller is as not using a NVMe yet

all 64 gig Memory test's good and HDD's test good if tested individually anymore than 8 being accessed at a time they fail

being 3 separate controllers and multiple disks I am leading towards a software issue and I remember having data issues before when I had my a10-5800k and that was solved by disabling iommu , I had no issues with this setup while running my intel 4790k