Re: DMAR faults from unrelated device when vfio is used

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Hi,

Am Wed, 06 Feb 2013 11:47:20 -0700
schrieb Alex Williamson <alex.williamson@xxxxxxxxxx>: 
> Does the card work with pci-assign or are both broken?

It works with pci-assign. :-\

 
> Possible there's a bug in how we're managing the vector table and pba
> here.  Can you get to the monitor and run 'into mtree' and provide the
> results?  Thanks,

Please see attachment.

Thanks,
//richard
(qemu) info mtree
info mtree
memory
0000000000000000-7ffffffffffffffe (prio 0, RW): system
  0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 0000000000000000-00000000dfffffff
  00000000000a0000-00000000000bffff (prio 1, RW): alias smram-region @pci 00000000000a0000-00000000000bffff
  00000000000c0000-00000000000c3fff (prio 1, R-): alias pam-rom @pc.ram 00000000000c0000-00000000000c3fff
  00000000000c4000-00000000000c7fff (prio 1, R-): alias pam-rom @pc.ram 00000000000c4000-00000000000c7fff
  00000000000c8000-00000000000cbfff (prio 1, R-): alias pam-rom @pc.ram 00000000000c8000-00000000000cbfff
  00000000000cb000-00000000000cdfff (prio 1000, RW): alias kvmvapic-rom @pc.ram 00000000000cb000-00000000000cdfff
  00000000000cc000-00000000000cffff (prio 1, R-): alias pam-rom @pc.ram 00000000000cc000-00000000000cffff
  00000000000d0000-00000000000d3fff (prio 1, RW): alias pam-ram @pc.ram 00000000000d0000-00000000000d3fff
  00000000000d4000-00000000000d7fff (prio 1, RW): alias pam-ram @pc.ram 00000000000d4000-00000000000d7fff
  00000000000d8000-00000000000dbfff (prio 1, RW): alias pam-ram @pc.ram 00000000000d8000-00000000000dbfff
  00000000000dc000-00000000000dffff (prio 1, RW): alias pam-ram @pc.ram 00000000000dc000-00000000000dffff
  00000000000e0000-00000000000e3fff (prio 1, RW): alias pam-ram @pc.ram 00000000000e0000-00000000000e3fff
  00000000000e4000-00000000000e7fff (prio 1, RW): alias pam-ram @pc.ram 00000000000e4000-00000000000e7fff
  00000000000e8000-00000000000ebfff (prio 1, RW): alias pam-ram @pc.ram 00000000000e8000-00000000000ebfff
  00000000000ec000-00000000000effff (prio 1, RW): alias pam-ram @pc.ram 00000000000ec000-00000000000effff
  00000000000f0000-00000000000fffff (prio 1, R-): alias pam-rom @pc.ram 00000000000f0000-00000000000fffff
  00000000e0000000-00000000ffffffff (prio 0, RW): alias pci-hole @pci 00000000e0000000-00000000ffffffff
  00000000fec00000-00000000fec00fff (prio 0, RW): kvm-ioapic
  00000000fed00000-00000000fed003ff (prio 0, RW): hpet
  00000000fee00000-00000000feefffff (prio 0, RW): kvm-apic-msi
  0000000100000000-000000019fffffff (prio 0, RW): alias ram-above-4g @pc.ram 00000000e0000000-000000017fffffff
  00000001a0000000-400000019fffffff (prio 0, RW): alias pci-hole64 @pci 00000001a0000000-400000019fffffff
I/O
0000000000000000-000000000000ffff (prio 0, RW): io
  0000000000000020-0000000000000021 (prio 0, RW): kvm-pic
  0000000000000040-0000000000000043 (prio 0, RW): kvm-pit
  0000000000000060-0000000000000060 (prio 0, RW): i8042-data
  0000000000000061-0000000000000061 (prio 0, RW): elcr
  0000000000000064-0000000000000064 (prio 0, RW): i8042-cmd
  0000000000000070-0000000000000071 (prio 0, RW): rtc
  000000000000007e-000000000000007f (prio 0, RW): kvmvapic
  0000000000000092-0000000000000092 (prio 0, RW): port92
  00000000000000a0-00000000000000a1 (prio 0, RW): kvm-pic
  0000000000000170-0000000000000177 (prio 0, RW): alias ide @ide 0000000000000170-0000000000000177
  00000000000001ce-00000000000001d0 (prio 0, RW): alias vbe @vbe 00000000000001ce-00000000000001d0
  00000000000001f0-00000000000001f7 (prio 0, RW): alias ide @ide 00000000000001f0-00000000000001f7
  0000000000000376-0000000000000376 (prio 0, RW): alias ide @ide 0000000000000376-0000000000000376
  0000000000000378-000000000000037f (prio 0, RW): alias parallel @parallel 0000000000000378-000000000000037f
  00000000000003b4-00000000000003b5 (prio 0, RW): alias vga @vga 00000000000003b4-00000000000003b5
  00000000000003ba-00000000000003ba (prio 0, RW): alias vga @vga 00000000000003ba-00000000000003ba
  00000000000003c0-00000000000003cf (prio 0, RW): alias vga @vga 00000000000003c0-00000000000003cf
  00000000000003d4-00000000000003d5 (prio 0, RW): alias vga @vga 00000000000003d4-00000000000003d5
  00000000000003da-00000000000003da (prio 0, RW): alias vga @vga 00000000000003da-00000000000003da
  00000000000003f1-00000000000003f5 (prio 0, RW): alias fdc @fdc 00000000000003f1-00000000000003f5
  00000000000003f6-00000000000003f6 (prio 0, RW): alias ide @ide 00000000000003f6-00000000000003f6
  00000000000003f7-00000000000003f7 (prio 0, RW): alias fdc @fdc 00000000000003f7-00000000000003f7
  00000000000003f8-00000000000003ff (prio 0, RW): serial
  00000000000004d0-00000000000004d0 (prio 0, RW): kvm-elcr
  00000000000004d1-00000000000004d1 (prio 0, RW): kvm-elcr
  0000000000000510-0000000000000511 (prio 0, RW): fwcfg
  0000000000000cf8-0000000000000cfb (prio 0, RW): pci-conf-idx
  0000000000000cfc-0000000000000cff (prio 0, RW): pci-conf-data
  0000000000005658-0000000000005658 (prio 0, RW): vmport
  000000000000c000-000000000000c01f (prio 1, RW): uhci
  000000000000c020-000000000000c03f (prio 1, RW): virtio-pci
  000000000000c040-000000000000c04f (prio 1, RW): piix-bmdma-container
    000000000000c040-000000000000c043 (prio 0, RW): piix-bmdma
    000000000000c044-000000000000c047 (prio 0, RW): bmdma
    000000000000c048-000000000000c04b (prio 0, RW): piix-bmdma
    000000000000c04c-000000000000c04f (prio 0, RW): bmdma
aliases
pc.ram
0000000000000000-000000017fffffff (prio 0, RW): pc.ram
pci
0000000000000000-7ffffffffffffffe (prio 0, RW): pci
  00000000000a0000-00000000000affff (prio 2, RW): alias vga.chain4 @vga.vram 0000000000000000-000000000000ffff
  00000000000a0000-00000000000bffff (prio 1, RW): vga-lowmem
  00000000000c0000-00000000000dffff (prio 1, RW): pc.rom
  00000000000e0000-00000000000fffff (prio 1, R-): alias isa-bios @pc.bios 0000000000000000-000000000001ffff
  00000000e0000000-00000000efffffff (prio 1, RW): vga.vram
  00000000febf0000-00000000febf3fff (prio 1, RW): VFIO 0000:00:1b.0 BAR 0
    00000000febf0000-00000000febf3fff (prio 0, RW): VFIO 0000:00:1b.0 BAR 0 mmap
  00000000febf4000-00000000febf5fff (prio 1, RW): VFIO 0000:03:00.0 BAR 0
    00000000febf4000-00000000febf4fff (prio 0, RW): VFIO 0000:03:00.0 BAR 0 mmap
    00000000febf5000-00000000febf507f (prio 0, RW): msix-table
    00000000febf5080-00000000febf5087 (prio 0, RW): msix-pba
    00000000febf6000-00000000febf5fff (prio 0, RW): VFIO 0000:03:00.0 BAR 0 mmap msix-hi
  00000000febf6000-00000000febf6fff (prio 1, RW): vga.mmio
    00000000febf6400-00000000febf641f (prio 0, RW): vga ioports remapped
    00000000febf6500-00000000febf6515 (prio 0, RW): bochs dispi interface
  00000000febf7000-00000000febf7fff (prio 1, RW): virtio-net-pci-msix
    00000000febf7000-00000000febf702f (prio 0, RW): msix-table
    00000000febf7800-00000000febf7807 (prio 0, RW): msix-pba
  00000000febf8000-00000000febf83ff (prio 1, RW): VFIO 0000:00:1a.0 BAR 0
    00000000febf8000-00000000febf7fff (prio 0, RW): VFIO 0000:00:1a.0 BAR 0 mmap
  00000000febf9000-00000000febf93ff (prio 1, RW): VFIO 0000:00:1d.0 BAR 0
    00000000febf9000-00000000febf8fff (prio 0, RW): VFIO 0000:00:1d.0 BAR 0 mmap
  00000000fffe0000-00000000ffffffff (prio 0, R-): pc.bios
ide
0000000000000000-7ffffffffffffffe (prio 0, RW): ide
vbe
0000000000000000-7ffffffffffffffe (prio 0, RW): vbe
ide
0000000000000000-7ffffffffffffffe (prio 0, RW): ide
ide
0000000000000000-7ffffffffffffffe (prio 0, RW): ide
parallel
0000000000000000-7ffffffffffffffe (prio 0, RW): parallel
vga
0000000000000000-7ffffffffffffffe (prio 0, RW): vga
vga
0000000000000000-7ffffffffffffffe (prio 0, RW): vga
vga
0000000000000000-7ffffffffffffffe (prio 0, RW): vga
vga
0000000000000000-7ffffffffffffffe (prio 0, RW): vga
vga
0000000000000000-7ffffffffffffffe (prio 0, RW): vga
fdc
0000000000000000-7ffffffffffffffe (prio 0, RW): fdc
ide
0000000000000000-7ffffffffffffffe (prio 0, RW): ide
fdc
0000000000000000-7ffffffffffffffe (prio 0, RW): fdc
vga.vram
00000000e0000000-00000000efffffff (prio 1, RW): vga.vram
pc.bios
00000000fffe0000-00000000ffffffff (prio 0, R-): pc.bios
(qemu) info mtree
info mtree
memory
0000000000000000-7ffffffffffffffe (prio 0, RW): system
  0000000000000000-00000000dfffffff (prio 0, RW): alias ram-below-4g @pc.ram 0000000000000000-00000000dfffffff
  00000000000a0000-00000000000bffff (prio 1, RW): alias smram-region @pci 00000000000a0000-00000000000bffff
  00000000000c0000-00000000000c3fff (prio 1, R-): alias pam-rom @pc.ram 00000000000c0000-00000000000c3fff
  00000000000c4000-00000000000c7fff (prio 1, R-): alias pam-rom @pc.ram 00000000000c4000-00000000000c7fff
  00000000000c8000-00000000000cbfff (prio 1, R-): alias pam-rom @pc.ram 00000000000c8000-00000000000cbfff
  00000000000cb000-00000000000cdfff (prio 1000, RW): alias kvmvapic-rom @pc.ram 00000000000cb000-00000000000cdfff
  00000000000cc000-00000000000cffff (prio 1, R-): alias pam-rom @pc.ram 00000000000cc000-00000000000cffff
  00000000000d0000-00000000000d3fff (prio 1, RW): alias pam-ram @pc.ram 00000000000d0000-00000000000d3fff
  00000000000d4000-00000000000d7fff (prio 1, RW): alias pam-ram @pc.ram 00000000000d4000-00000000000d7fff
  00000000000d8000-00000000000dbfff (prio 1, RW): alias pam-ram @pc.ram 00000000000d8000-00000000000dbfff
  00000000000dc000-00000000000dffff (prio 1, RW): alias pam-ram @pc.ram 00000000000dc000-00000000000dffff
  00000000000e0000-00000000000e3fff (prio 1, RW): alias pam-ram @pc.ram 00000000000e0000-00000000000e3fff
  00000000000e4000-00000000000e7fff (prio 1, RW): alias pam-ram @pc.ram 00000000000e4000-00000000000e7fff
  00000000000e8000-00000000000ebfff (prio 1, RW): alias pam-ram @pc.ram 00000000000e8000-00000000000ebfff
  00000000000ec000-00000000000effff (prio 1, RW): alias pam-ram @pc.ram 00000000000ec000-00000000000effff
  00000000000f0000-00000000000fffff (prio 1, R-): alias pam-rom @pc.ram 00000000000f0000-00000000000fffff
  00000000e0000000-00000000ffffffff (prio 0, RW): alias pci-hole @pci 00000000e0000000-00000000ffffffff
  00000000fec00000-00000000fec00fff (prio 0, RW): kvm-ioapic
  00000000fed00000-00000000fed003ff (prio 0, RW): hpet
  00000000fee00000-00000000feefffff (prio 0, RW): kvm-apic-msi
  0000000100000000-000000019fffffff (prio 0, RW): alias ram-above-4g @pc.ram 00000000e0000000-000000017fffffff
  00000001a0000000-400000019fffffff (prio 0, RW): alias pci-hole64 @pci 00000001a0000000-400000019fffffff
I/O
0000000000000000-000000000000ffff (prio 0, RW): io
  0000000000000020-0000000000000021 (prio 0, RW): kvm-pic
  0000000000000040-0000000000000043 (prio 0, RW): kvm-pit
  0000000000000060-0000000000000060 (prio 0, RW): i8042-data
  0000000000000061-0000000000000061 (prio 0, RW): elcr
  0000000000000064-0000000000000064 (prio 0, RW): i8042-cmd
  0000000000000070-0000000000000071 (prio 0, RW): rtc
  000000000000007e-000000000000007f (prio 0, RW): kvmvapic
  0000000000000092-0000000000000092 (prio 0, RW): port92
  00000000000000a0-00000000000000a1 (prio 0, RW): kvm-pic
  0000000000000170-0000000000000177 (prio 0, RW): alias ide @ide 0000000000000170-0000000000000177
  00000000000001ce-00000000000001d0 (prio 0, RW): alias vbe @vbe 00000000000001ce-00000000000001d0
  00000000000001f0-00000000000001f7 (prio 0, RW): alias ide @ide 00000000000001f0-00000000000001f7
  0000000000000376-0000000000000376 (prio 0, RW): alias ide @ide 0000000000000376-0000000000000376
  0000000000000378-000000000000037f (prio 0, RW): alias parallel @parallel 0000000000000378-000000000000037f
  00000000000003b4-00000000000003b5 (prio 0, RW): alias vga @vga 00000000000003b4-00000000000003b5
  00000000000003ba-00000000000003ba (prio 0, RW): alias vga @vga 00000000000003ba-00000000000003ba
  00000000000003c0-00000000000003cf (prio 0, RW): alias vga @vga 00000000000003c0-00000000000003cf
  00000000000003d4-00000000000003d5 (prio 0, RW): alias vga @vga 00000000000003d4-00000000000003d5
  00000000000003da-00000000000003da (prio 0, RW): alias vga @vga 00000000000003da-00000000000003da
  00000000000003f1-00000000000003f5 (prio 0, RW): alias fdc @fdc 00000000000003f1-00000000000003f5
  00000000000003f6-00000000000003f6 (prio 0, RW): alias ide @ide 00000000000003f6-00000000000003f6
  00000000000003f7-00000000000003f7 (prio 0, RW): alias fdc @fdc 00000000000003f7-00000000000003f7
  00000000000003f8-00000000000003ff (prio 0, RW): serial
  00000000000004d0-00000000000004d0 (prio 0, RW): kvm-elcr
  00000000000004d1-00000000000004d1 (prio 0, RW): kvm-elcr
  0000000000000510-0000000000000511 (prio 0, RW): fwcfg
  0000000000000cf8-0000000000000cfb (prio 0, RW): pci-conf-idx
  0000000000000cfc-0000000000000cff (prio 0, RW): pci-conf-data
  0000000000005658-0000000000005658 (prio 0, RW): vmport
  000000000000c000-000000000000c01f (prio 1, RW): uhci
  000000000000c020-000000000000c03f (prio 1, RW): virtio-pci
  000000000000c040-000000000000c04f (prio 1, RW): piix-bmdma-container
    000000000000c040-000000000000c043 (prio 0, RW): piix-bmdma
    000000000000c044-000000000000c047 (prio 0, RW): bmdma
    000000000000c048-000000000000c04b (prio 0, RW): piix-bmdma
    000000000000c04c-000000000000c04f (prio 0, RW): bmdma
aliases
pc.ram
0000000000000000-000000017fffffff (prio 0, RW): pc.ram
pci
0000000000000000-7ffffffffffffffe (prio 0, RW): pci
  00000000000a0000-00000000000affff (prio 2, RW): alias vga.chain4 @vga.vram 0000000000000000-000000000000ffff
  00000000000a0000-00000000000bffff (prio 1, RW): vga-lowmem
  00000000000c0000-00000000000dffff (prio 1, RW): pc.rom
  00000000000e0000-00000000000fffff (prio 1, R-): alias isa-bios @pc.bios 0000000000000000-000000000001ffff
  00000000e0000000-00000000efffffff (prio 1, RW): vga.vram
  00000000febf0000-00000000febf3fff (prio 1, RW): VFIO 0000:00:1b.0 BAR 0
    00000000febf0000-00000000febf3fff (prio 0, RW): VFIO 0000:00:1b.0 BAR 0 mmap
  00000000febf4000-00000000febf5fff (prio 1, RW): assigned-dev-container
    00000000febf4000-00000000febf5fff (prio 0, RW): kvm-pci-assign.bar0
    00000000febf5000-00000000febf5fff (prio 1, RW): assigned-dev-msix
  00000000febf6000-00000000febf6fff (prio 1, RW): vga.mmio
    00000000febf6400-00000000febf641f (prio 0, RW): vga ioports remapped
    00000000febf6500-00000000febf6515 (prio 0, RW): bochs dispi interface
  00000000febf7000-00000000febf7fff (prio 1, RW): virtio-net-pci-msix
    00000000febf7000-00000000febf702f (prio 0, RW): msix-table
    00000000febf7800-00000000febf7807 (prio 0, RW): msix-pba
  00000000febf8000-00000000febf83ff (prio 1, RW): VFIO 0000:00:1a.0 BAR 0
    00000000febf8000-00000000febf7fff (prio 0, RW): VFIO 0000:00:1a.0 BAR 0 mmap
  00000000febf9000-00000000febf93ff (prio 1, RW): VFIO 0000:00:1d.0 BAR 0
    00000000febf9000-00000000febf8fff (prio 0, RW): VFIO 0000:00:1d.0 BAR 0 mmap
  00000000fffe0000-00000000ffffffff (prio 0, R-): pc.bios
ide
0000000000000000-7ffffffffffffffe (prio 0, RW): ide
vbe
0000000000000000-7ffffffffffffffe (prio 0, RW): vbe
ide
0000000000000000-7ffffffffffffffe (prio 0, RW): ide
ide
0000000000000000-7ffffffffffffffe (prio 0, RW): ide
parallel
0000000000000000-7ffffffffffffffe (prio 0, RW): parallel
vga
0000000000000000-7ffffffffffffffe (prio 0, RW): vga
vga
0000000000000000-7ffffffffffffffe (prio 0, RW): vga
vga
0000000000000000-7ffffffffffffffe (prio 0, RW): vga
vga
0000000000000000-7ffffffffffffffe (prio 0, RW): vga
vga
0000000000000000-7ffffffffffffffe (prio 0, RW): vga
fdc
0000000000000000-7ffffffffffffffe (prio 0, RW): fdc
ide
0000000000000000-7ffffffffffffffe (prio 0, RW): ide
fdc
0000000000000000-7ffffffffffffffe (prio 0, RW): fdc
vga.vram
00000000e0000000-00000000efffffff (prio 1, RW): vga.vram
pc.bios
00000000fffe0000-00000000ffffffff (prio 0, R-): pc.bios
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