Hi, I had similar Problems with my Marvell 88EE9230. I was able to improve the situation quite a lot by updating the firmware of the controller itself. In General all firmware versions beyond version 2.3.xxx improved the situation quite a lot. The remaining problem is, that I get failures on ata6 which is the only port which is not connected to any drive at all. Any drive connected to the marvell controller itself is perfectly stable (24/7 for +400 days).
Source for Firmwares: https://www.station- drivers.com/index.php?option=com_remository&Itemid=352&func=select&id=347&lang=en May 05 03:16:10 doomsdaydevice kernel: ata6.00: exception Emask 0x0 SAct 0x6 SErr 0x0 action 0x6 frozen May 05 03:16:11 doomsdaydevice kernel: ata6.00: failed command: WRITE FPDMA QUEUED May 05 03:16:11 doomsdaydevice kernel: ata6.00: cmd 61/10:08:18:6a:14/00:00:01:00:00/40 tag 1 ncq dma 8192 out res 40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout) May 05 03:16:11 doomsdaydevice kernel: ata6.00: status: { DRDY } May 05 03:16:11 doomsdaydevice kernel: ata6.00: failed command: WRITE FPDMA QUEUED May 05 03:16:11 doomsdaydevice kernel: ata6.00: cmd 61/10:10:10:e8:5e/00:00:3a:00:00/40 tag 2 ncq dma 8192 out res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) May 05 03:16:11 doomsdaydevice kernel: ata6.00: status: { DRDY } May 05 03:16:11 doomsdaydevice kernel: ata6.00: supports DRM functions and may not be fully accessible May 05 03:16:11 doomsdaydevice kernel: ata6.00: supports DRM functions and may not be fully accessible May 05 06:01:33 doomsdaydevice kernel: ata6.00: exception Emask 0x0 SAct 0x60 SErr 0x0 action 0x6 frozen May 05 06:01:33 doomsdaydevice kernel: ata6.00: failed command: WRITE FPDMA QUEUED May 05 06:01:33 doomsdaydevice kernel: ata6.00: cmd 61/08:28:90:da:14/00:00:23:00:00/40 tag 5 ncq dma 4096 out res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) May 05 06:01:33 doomsdaydevice kernel: ata6.00: status: { DRDY } May 05 06:01:33 doomsdaydevice kernel: ata6.00: failed command: WRITE FPDMA QUEUED May 05 06:01:33 doomsdaydevice kernel: ata6.00: cmd 61/08:30:a8:fd:20/00:00:05:00:00/40 tag 6 ncq dma 4096 out res 40/00:ff:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) May 05 06:01:33 doomsdaydevice kernel: ata6.00: status: { DRDY } May 05 06:01:33 doomsdaydevice kernel: ata6.00: supports DRM functions and may not be fully accessible May 05 06:01:33 doomsdaydevice kernel: ata6.00: supports DRM functions and may not be fully accessible May 05 06:37:03 doomsdaydevice kernel: ata6.00: exception Emask 0x0 SAct 0x30 SErr 0x0 action 0x6 frozen May 05 06:37:03 doomsdaydevice kernel: ata6.00: failed command: WRITE FPDMA QUEUED May 05 06:37:03 doomsdaydevice kernel: ata6.00: cmd 61/08:20:48:08:10/00:00:00:00:00/40 tag 4 ncq dma 4096 out res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) May 05 06:37:03 doomsdaydevice kernel: ata6.00: status: { DRDY } May 05 06:37:03 doomsdaydevice kernel: ata6.00: failed command: WRITE FPDMA QUEUED May 05 06:37:03 doomsdaydevice kernel: ata6.00: cmd 61/08:28:00:08:10/00:00:00:00:00/40 tag 5 ncq dma 4096 out res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) May 05 06:37:03 doomsdaydevice kernel: ata6.00: status: { DRDY } May 05 06:37:03 doomsdaydevice kernel: ata6.00: supports DRM functions and may not be fully accessible May 05 06:37:03 doomsdaydevice kernel: ata6.00: supports DRM functions and may not be fully accessible -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1810239 Title: amd_iommu conflict with Marvell 88SE9230 SATA Controller Status in Linux: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux package in Debian: New Status in linux package in Fedora: Unknown Bug description: Booting with kernel 4.18.0-13.14~18.04.1-generic shows errors: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1810239/comments/153 WORKAROUND: Use kernel boot parameter: amd_iommu=off --- ProblemType: Bug ApportVersion: 2.20.9-0ubuntu7.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: mythfe 1170 F.... pulseaudio CurrentDesktop: XFCE DistroRelease: Ubuntu 18.04 HibernationDevice: RESUME=/dev/mythnew/swap InstallationDate: Installed on 2016-07-02 (913 days ago) InstallationMedia: Mythbuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) IwConfig: lo no wireless extensions. enp9s0 no wireless extensions. MachineType: Gigabyte Technology Co., Ltd. B450M S2H Package: linux (not installed) ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-13-generic root=/dev/mapper/mythnew-root ro verbose drm_kms_helper.edid_firmware=HDMI-A-3:edid/panasonic.edid ProcVersionSignature: Ubuntu 4.18.0-13.14~18.04.1-generic 4.18.17 RelatedPackageVersions: linux-restricted-modules-4.18.0-13-generic N/A linux-backports-modules-4.18.0-13-generic N/A linux-firmware 1.173.2 RfKill: Tags: bionic Uname: Linux 4.18.0-13-generic x86_64 UpgradeStatus: Upgraded to bionic on 2018-07-27 (158 days ago) UserGroups: adm cdrom dip lpadmin mythtv nopasswdlogin plugdev sambashare sudo video _MarkForUpload: True dmi.bios.date: 12/04/2018 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F2c dmi.board.asset.tag: Default string dmi.board.name: B450M S2H dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF2c:bd12/04/2018:svnGigabyteTechnologyCo.,Ltd.:pnB450MS2H:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnB450MS2H:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: Default string dmi.product.name: B450M S2H dmi.product.sku: Default string dmi.product.version: Default string dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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