Ubuntu
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  1. Bug #1810239
  2. Comment #0

Comment 0 for bug 1810239

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Steven Ellis (steven-openmedia) wrote : amd_iommu conflict with Marvell Sata controller

This bug is to confirm that the Marvell 88SE9230 chipset bug presents under AMD's IOMMU implementation with Ubuntu 18.04 and the latest HWE Kernel

This has similar characteristics to
 - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1089768

System
 - AMD Athlon 200GE
 - Gigabyte GA-B450M-S2H board
 - Marvell 88SE9230 SATA Controller with latest Firmware

Kernel
 - Ubuntu 4.18.0-13.14~18.04.1-generic 4.18.17

If I boot the HWE 4.18.0-13-generic Kernel I get the errors reported above

If I boot with "amd_iommu=off" the drives appear to work correctly.