Re: Isuue assiging devices using VFIO on x86

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On Tue, 2012-08-28 at 09:23 +0000, Bhushan Bharat-R65777 wrote:
> Hi Alex,
> 
> In my susyem I have following devices:
> 
> I tried assigning a following PCI devices:
> 00:03.0 Communication controller: Intel Corporation 4 Series Chipset HECI Controller (rev 03)
> 00:03.2 IDE interface: Intel Corporation 4 Series Chipset PT IDER Controller (rev 03)
> 00:03.3 Serial controller: Intel Corporation 4 Series Chipset Serial KT Controller (rev 03)
> 
> and getting below error:
> 
> ---------------
> Command:
> -------
> qemu-system-x86_64 -enable-kvm  -nographic  -kernel /boot/vmlinuz-3.6.0-rc2+ -initrd /boot/initramfs-3.6.0-rc2+.img -append "root=/dev/sda1" -m 1024 -drive file=/home/kvmdev/debian_squeeze_amd64_standard.qcow2 -device vfio-pci,host=0000:00:03.0 -device vfio-pci,host=0000:00:03.2 -device vfio-pci,host=0000:00:03.3
> 
> Error prints:
> ----
> qemu-system-x86_64: -device vfio-pci,host=0000:00:03.0: Warning, device 0000:00:03.0 does not support reset
> 
> qemu-system-x86_64: -device vfio-pci,host=0000:00:03.0: VFIO 0000:00:03.0 BAR 0 is too small to mmap, this may affect performance.
> 
> qemu-system-x86_64: -device vfio-pci,host=0000:00:03.2: Warning, device 0000:00:03.2 does not support reset
> 
> qemu-system-x86_64: -device vfio-pci,host=0000:00:03.3: Warning, device 0000:00:03.3 does not support reset
> 
> qemu: hardware error: register_ioport_read: invalid opaque for address 0x3f6
> CPU #0:
> EAX=80000003 EBX=3ffe0e80 ECX=80000003 EDX=00000cfc
> ESI=00002800 EDI=80002804 EBP=00006fc0 ESP=00006f38
> EIP=3ffec005 EFL=00000086 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
> ES =0010 00000000 ffffffff 00c09300 DPL=0 DS   [-WA]
> CS =0008 00000000 ffffffff 00c09b00 DPL=0 CS32 [-RA]
> SS =0010 00000000 ffffffff 00c09300 DPL=0 DS   [-WA]
> DS =0010 00000000 ffffffff 00c09300 DPL=0 DS   [-WA]
> FS =0010 00000000 ffffffff 00c09300 DPL=0 DS   [-WA]
> GS =0010 00000000 ffffffff 00c09300 DPL=0 DS   [-WA]
> LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT
> TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy
> GDT=     000fcd68 00000037
> IDT=     000fdb60 00000000
> CR0=00000011 CR2=00000000 CR3=00000000 CR4=00000000
> DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
> DR6=00000000ffff0ff0 DR7=0000000000000400
> EFER=0000000000000000
> FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
> FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
> FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
> FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
> FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
> XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000
> XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000
> XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000
> XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000
> Aborted (core dumped)
> 
> --------------------
> 
> Linux: http://github.com/awilliam/linux-vfio.git next
> Qemu: https://github.com/awilliam/qemu-vfio.git  iommu-group-vfio
> 
> Any idea what's is the issue.

Please try the vfio-pci-for-qemu-1.2-v3 qemu-vfio.git tag, I'm not even
sure what's in that old iommu-group-vfio branch.  Thanks,

Alex

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