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Bug#929784: linux-image-amd64: amd_iommu conflict with Marvell Sata controller

Cross-posted to 2 groups.

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Package: linux-image-amd64
Version: 4.19+105~bpo9+1
Severity: normal

Dear Maintainer,

When I try to enable Intel's IOMMU, the Marvell SATA controller doesn't work.
Same problem with kernel 4.9.0-9
And if I disable the IOMMU the system work but the video doesn't
[   11.694280] kfd kfd: error getting iommu info. is the iommu enabled?
[   11.694326] kfd kfd: Error initializing iommuv2
[   11.694400] Creating topology SYSFS entries
[   11.694561] kfd kfd: device 1002:9874 NOT added due to errors

lspci                     
01:00.0 SATA controller: Marvell Technology Group Ltd. 88SE9230 PCIe SATA 6Gb/s Controller (rev 11)
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Carrizo (rev 87)

lshw
           *-storage
                description: SATA controller
                product: 88SE9230 PCIe SATA 6Gb/s Controller
                vendor: Marvell Technology Group Ltd.
                physical id: 0
                bus info: pci@0000:01:00.0
                version: 11
                width: 32 bits
                clock: 33MHz
                capabilities: storage pm msi pciexpress ahci_1.0 bus_master cap_list rom                                                                                                                               
                configuration: driver=ahci latency=0                                                                                                                                                                   
                resources: irq:32 ioport:e050(size=8) ioport:e040(size=4) ioport:e030(size=8) ioport:e020(size=4) ioport:e000(size=32) memory:fea40000-fea407ff memory:fea00000-fea3ffff
        *-display
             description: VGA compatible controller
             product: Carrizo
             vendor: Advanced Micro Devices, Inc. [AMD/ATI]
             physical id: 1 
             bus info: pci@0000:00:01.0  
             version: 87
             width: 64 bits
             clock: 33MHz
             capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
             configuration: driver=amdgpu latency=0
             resources: irq:38 memory:f0000000-f3ffffff memory:f4000000-f47fffff ioport:f000(size=256) memory:feb00000-feb3ffff memory:c0000-dffff

For more information:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1810239
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1089768

-- System Information:
Debian Release: 9.9
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-0.bpo.5-amd64 (SMP w/2 CPU cores)
Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8), LANGUAGE=it_IT.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages linux-image-amd64 depends on:
ii  linux-image-4.19.0-0.bpo.5-amd64  4.19.37-3~bpo9+1

linux-image-amd64 recommends no packages.

linux-image-amd64 suggests no packages.

-- no debconf information

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Bug#929784: linux-image-amd64: amd_iommu conflict with Marvell Sata controller Gabriel Rolland <rollopack@gmail.com> - 2019-05-31 09:30 +0200

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