PCI region 1 at address 0xb1001000 has size 0x100, which is not a multiple of 4K

[brunofcat]

Good night
I have the following problem:

PCI region 1 at address 0xb1001000 has size 0x100, which is not a multiple of 4K. You might experience some performance hit due to that.
Failed to assign device "hostpci1" : Operation not permitted
kvm: -device pci-assign,host=05:00.0,id=hostpci1,bus=pci.0,addr=0x11: Device 'pci-assign' could not be initialized

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lspci -v

05:00.0 SCSI storage controller: LSI Logic / Symbios Logic 53c875 (rev 26)
Subsystem: Tekram Technology Co.,Ltd. DC390F/U Ultra Wide SCSI Adapter
Physical Slot: 1
Flags: medium devsel, IRQ 16
I/O ports at 1000
Memory at b1001000 (32-bit, non-prefetchable)
Memory at b1000000 (32-bit, non-prefetchable) [size=4K]
Expansion ROM at b1300000 [disabled] [size=64K]
Capabilities: [40] Power Management version 1
Kernel driver in use: pci-stub

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dmesg | grep -e DMAR -e IOMMU


ACPI: DMAR 000000009f7e4000 000A8 (v01 INTEL S3420GPV 00000001 MSFT 0100000D)
Intel-IOMMU: enabled
DMAR: Host address width 36
DMAR: DRHD base: 0x000000fe710000 flags: 0x1
IOMMU fe710000: ver 1:0 cap c90780106f0462 ecap f020e2
DMAR: RMRR base: 0x0000009f6ae000 end: 0x0000009f6b0fff
DMAR: RMRR base: 0x0000009f6a9000 end: 0x0000009f6a9fff
DMAR: RMRR base: 0x0000009f6a6000 end: 0x0000009f6a6fff
DMAR: No ATSR found
IOMMU 0xfe710000: using Queued invalidation
IOMMU: Setting RMRR:
IOMMU: Setting identity map for device 0000:00:1d.0 [0x9f6a6000 - 0x9f6a7000]
IOMMU: Setting identity map for device 0000:00:1a.0 [0x9f6a9000 - 0x9f6aa000]
IOMMU: Setting identity map for device 0000:00:1d.0 [0x9f6ae000 - 0x9f6b1000]
IOMMU: Setting identity map for device 0000:00:1a.0 [0x9f6ae000 - 0x9f6b1000]
IOMMU: Prepare 0-16MiB unity mapping for LPC
IOMMU: Setting identity map for device 0000:00:1f.0 [0x0 - 0x1000000]

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103.conf

bootdisk: virtio0
cores: 2
hostpci1: 05:00.0
ide2: Isos:iso/Win7-32_PT.iso,media=cdrom
memory: 1024
name: WIN7
net0: rtl8139=2A:8D:AF:60:EC9,bridge=vmbr0
ostype: win7
sockets: 1
virtio0: local:103/vm-103-disk-1.raw




How can I solve this problem? thank you.

 

[dietmar]

I doubt that PCI pass through works with an LSI scsi controller.

Why do you want to pass the contoller to the guest?

 

[brunofcat]

Thank you for your attention.
I have a tap HP DAT 8 8GB connected to this SCSI controller and I need to configure backups from the operating system.

 

[brunofcat]

someone can help me?

 

[hotwired007]

does this help: http://pve.proxmox.com/wiki/Tape_Drives