Hi List,
I am having problems to do pci passthrough to a network card without
using VT-d. The card is present in the guest but with a different model (Intel
Corporation 82801I Gigabit Ethernet Controller (rev 2)) and it does not work.
The qemu line that I used is:
./devel/bin/qemu-system-x86_64 -hda ./dm.img -m 256 -pcidevice
host=00:19.0,dma=none -net none
Before running qemu I did
echo "8086 294c" > /sys/bus/pci/drivers/pci-stub/new_id
echo 0000:00:19.0 > /sys/bus/pci/drivers/e1000e/unbind
echo 0000:00:19.0 > /sys/bus/pci/drivers/pci-stub/bind
This is the lspci -tv output
-[0000:00]-+-00.0 Intel Corporation 82X38/X48 Express DRAM Controller
+-01.0-[0000:01]----00.0 nVidia Corporation G80 [GeForce 8800 GTX]
+-19.0 Intel Corporation 82566DC-2 Gigabit Network Connection
+-1a.0 Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4
+-1a.1 Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5
+-1a.2 Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6
+-1a.7 Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller
#2
+-1b.0 Intel Corporation 82801I (ICH9 Family) HD Audio Controller
+-1c.0-[0000:02]--
+-1c.4-[0000:03]----00.0 Marvell Technology Group Ltd. 88SE6121
SATA II Controller
+-1d.0 Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1
+-1d.1 Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2
+-1d.2 Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3
+-1d.7 Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller
#1
+-1e.0-[0000:04]----03.0 Texas Instruments TSB43AB22/A
IEEE-1394a-2000 Controller (PHY/Link)
+-1f.0 Intel Corporation 82801IR (ICH9R) LPC Interface Controller
+-1f.2 Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 4 port SATA
IDE Controller
+-1f.3 Intel Corporation 82801I (ICH9 Family) SMBus Controller
\-1f.5 Intel Corporation 82801I (ICH9 Family) 2 port SATA IDE
Controller
I am getting the following error in host dmesg
e1000e 0000:00:19.0: PCI INT A disabled
pci-stub 0000:00:19.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
DMAR:[DMA Read] Request device [00:19.0] fault addr baee000
DMAR:[fault reason 02] Present bit in context entry is clear
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
DMAR:[DMA Read] Request device [00:19.0] fault addr b90c000
DMAR:[fault reason 02] Present bit in context entry is clear
And in a second run I got
e1000e 0000:00:19.0: PCI INT A disabled
pci-stub 0000:00:19.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
DMAR:[DMA Read] Request device [00:19.0] fault addr ba80000
DMAR:[fault reason 06] PTE Read access is not set
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
pci-stub 0000:00:19.0: irq 29 for MSI/MSI-X
DMAR:[DMA Read] Request device [00:19.0] fault addr baa4000
DMAR:[fault reason 06] PTE Read access is not set
It does work if I enable VT-d, even though the network card is recognized with
a different model. However, I need this to work without VT-d. Which could be
the problem here? Is this supported?
Thanks a lot,
Pablo
More information and logs...
Kernel, kvm and network driver versions:
Host Kernel 2.6.29.2
Guest Kernel 2.6.23.1-42.fc8
KVM-85
Network card driver (guest and host) e1000e 0.5.18.3
Device assignment log
init_assigned_device: Registering real physical device 00:19.0 (bus=0 dev=19
func=0)
get_real_device: region 0 size 131072 start 0x93200000 type 512 resource_fd 12
get_real_device: region 1 size 4096 start 0x93224000 type 512 resource_fd 13
get_real_device: region 2 size 32 start 0x30e0 type 256 resource_fd 0
assigned_dev_pci_read_config: (4.0): address=0000 val=0x00008086 len=2
assigned_dev_pci_read_config: (4.0): address=0002 val=0x0000294c len=2
assigned_dev_pci_read_config: (4.0): address=0000 val=0x00008086 len=2
assigned_dev_pci_read_config: (4.0): address=0002 val=0x0000294c len=2
assigned_dev_pci_read_config: (4.0): address=0000 val=0x00008086 len=2
assigned_dev_pci_read_config: (4.0): address=0002 val=0x0000294c len=2
assigned_dev_pci_read_config: (4.0): address=000a val=0x00000200 len=2
assigned_dev_pci_read_config: (4.0): address=0000 val=0x00008086 len=2
assigned_dev_pci_read_config: (4.0): address=0002 val=0x0000294c len=2
assigned_dev_pci_write_config: (4.0): address=0010 val=0xffffffff len=4
assigned_dev_pci_read_config: (4.0): address=0010 val=0xfffe0000 len=4
assigned_dev_pci_read_config: (4.0): address=0010 val=0xfffe0000 len=4
assigned_dev_pci_write_config: (4.0): address=0010 val=0xf2020000 len=4
assigned_dev_iomem_map: e_phys=f2020000 r_virt=0x7f95bca9a000 type=0
len=00020000 region_num=0
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00000403 len=2
assigned_dev_pci_write_config: (4.0): address=0004 val=0x00000403 len=2
assigned_dev_pci_write_config: NON BAR (4.0): address=0004 val=0x00000403 len=2
assigned_dev_pci_write_config: (4.0): address=0014 val=0xffffffff len=4
assigned_dev_pci_read_config: (4.0): address=0014 val=0xfffff000 len=4
assigned_dev_pci_read_config: (4.0): address=0014 val=0xfffff000 len=4
assigned_dev_pci_write_config: (4.0): address=0014 val=0xf2040000 len=4
assigned_dev_iomem_map: e_phys=f2040000 r_virt=0x7f95bca99000 type=0
len=00001000 region_num=1
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00000403 len=2
assigned_dev_pci_write_config: (4.0): address=0004 val=0x00000403 len=2
assigned_dev_pci_write_config: NON BAR (4.0): address=0004 val=0x00000403 len=2
assigned_dev_pci_write_config: (4.0): address=0018 val=0xffffffff len=4
assigned_dev_pci_read_config: (4.0): address=0018 val=0xffffffe1 len=4
assigned_dev_pci_read_config: (4.0): address=0018 val=0xffffffe1 len=4
assigned_dev_pci_write_config: (4.0): address=0018 val=0x0000c040 len=4
assigned_dev_ioport_map: e_phys=0xc040 r_baseport=30e0 type=0x1 len=32
region_num=2
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00000403 len=2
assigned_dev_pci_write_config: (4.0): address=0004 val=0x00000403 len=2
assigned_dev_pci_write_config: NON BAR (4.0): address=0004 val=0x00000403 len=2
assigned_dev_pci_write_config: (4.0): address=001c val=0xffffffff len=4
assigned_dev_pci_read_config: (4.0): address=001c val=0x00000000 len=4
assigned_dev_pci_write_config: (4.0): address=0020 val=0xffffffff len=4
assigned_dev_pci_read_config: (4.0): address=0020 val=0x00000000 len=4
assigned_dev_pci_write_config: (4.0): address=0024 val=0xffffffff len=4
assigned_dev_pci_read_config: (4.0): address=0024 val=0x00000000 len=4
assigned_dev_pci_write_config: (4.0): address=0030 val=0xffffffff len=4
assigned_dev_pci_write_config: NON BAR (4.0): address=0030 val=0xffffffff len=4
assigned_dev_pci_read_config: (4.0): address=0030 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=003d val=0x00000001 len=1
assigned_dev_pci_write_config: (4.0): address=003c val=0x0000000b len=1
assigned_dev_pci_read_config: (4.0): address=0000 val=0x294c8086 len=4
assigned_dev_pci_read_config: (4.0): address=0008 val=0x02000002 len=4
assigned_dev_pci_read_config: (4.0): address=0000 val=0x294c8086 len=4
assigned_dev_pci_read_config: (4.0): address=000e val=0x00000000 len=1
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0041 val=0x00000000 len=1
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0041 val=0x00000000 len=1
assigned_dev_pci_read_config: (4.0): address=0008 val=0x02000002 len=4
assigned_dev_pci_read_config: (4.0): address=003d val=0x00000001 len=1
assigned_dev_pci_read_config: (4.0): address=003c val=0x0000000b len=1
assigned_dev_pci_read_config: (4.0): address=0010 val=0xf2020000 len=4
assigned_dev_pci_write_config: (4.0): address=0010 val=0xffffffff len=4
assigned_dev_pci_read_config: (4.0): address=0010 val=0xfffe0000 len=4
assigned_dev_pci_write_config: (4.0): address=0010 val=0xf2020000 len=4
assigned_dev_iomem_map: e_phys=f2020000 r_virt=0x7f95bca9a000 type=0
len=00020000 region_num=0
BUG: kvm_destroy_phys_mem: invalid parameters (slot=-1)
assigned_dev_pci_read_config: (4.0): address=0014 val=0xf2040000 len=4
assigned_dev_pci_write_config: (4.0): address=0014 val=0xffffffff len=4
assigned_dev_pci_read_config: (4.0): address=0014 val=0xfffff000 len=4
assigned_dev_pci_write_config: (4.0): address=0014 val=0xf2040000 len=4
assigned_dev_iomem_map: e_phys=f2040000 r_virt=0x7f95bca99000 type=0
len=00001000 region_num=1
BUG: kvm_destroy_phys_mem: invalid parameters (slot=-1)
assigned_dev_pci_read_config: (4.0): address=0018 val=0x0000c041 len=4
assigned_dev_pci_write_config: (4.0): address=0018 val=0xffffffff len=4
assigned_dev_pci_read_config: (4.0): address=0018 val=0xffffffe1 len=4
assigned_dev_pci_write_config: (4.0): address=0018 val=0x0000c041 len=4
assigned_dev_ioport_map: e_phys=0xc040 r_baseport=30e0 type=0x1 len=32
region_num=2
assigned_dev_pci_read_config: (4.0): address=001c val=0x00000000 len=4
assigned_dev_pci_write_config: (4.0): address=001c val=0xffffffff len=4
assigned_dev_pci_read_config: (4.0): address=001c val=0x00000000 len=4
assigned_dev_pci_write_config: (4.0): address=001c val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0020 val=0x00000000 len=4
assigned_dev_pci_write_config: (4.0): address=0020 val=0xffffffff len=4
assigned_dev_pci_read_config: (4.0): address=0020 val=0x00000000 len=4
assigned_dev_pci_write_config: (4.0): address=0020 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0024 val=0x00000000 len=4
assigned_dev_pci_write_config: (4.0): address=0024 val=0xffffffff len=4
assigned_dev_pci_read_config: (4.0): address=0024 val=0x00000000 len=4
assigned_dev_pci_write_config: (4.0): address=0024 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0030 val=0x00000000 len=4
assigned_dev_pci_write_config: (4.0): address=0030 val=0xfffffffe len=4
assigned_dev_pci_write_config: NON BAR (4.0): address=0030 val=0xfffffffe len=4
assigned_dev_pci_read_config: (4.0): address=0030 val=0x00000000 len=4
assigned_dev_pci_write_config: (4.0): address=0030 val=0x00000000 len=4
assigned_dev_pci_write_config: NON BAR (4.0): address=0030 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=002c val=0x00008086 len=2
assigned_dev_pci_read_config: (4.0): address=002e val=0x00000001 len=2
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00000403 len=2
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00000403 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0041 val=0x00000000 len=1
assigned_dev_pci_read_config: (4.0): address=0010 val=0x00000000 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0041 val=0x00000000 len=1
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00000403 len=2
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00000403 len=2
assigned_dev_pci_write_config: (4.0): address=0004 val=0x00000407 len=2
assigned_dev_pci_write_config: NON BAR (4.0): address=0004 val=0x00000407 len=2
assigned_dev_pci_read_config: (4.0): address=000d val=0x00000000 len=1
assigned_dev_pci_write_config: (4.0): address=000d val=0x00000040 len=1
assigned_dev_pci_write_config: NON BAR (4.0): address=000d val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0000 val=0x294c8086 len=4
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00100407 len=4
assigned_dev_pci_read_config: (4.0): address=0008 val=0x02000002 len=4
assigned_dev_pci_read_config: (4.0): address=000c val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0010 val=0xf2020000 len=4
assigned_dev_pci_read_config: (4.0): address=0014 val=0xf2040000 len=4
assigned_dev_pci_read_config: (4.0): address=0018 val=0x0000c041 len=4
assigned_dev_pci_read_config: (4.0): address=001c val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0020 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0024 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0028 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=002c val=0x00018086 len=4
assigned_dev_pci_read_config: (4.0): address=0030 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=4
assigned_dev_pci_read_config: (4.0): address=0038 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=003c val=0x0000010b len=4
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0041 val=0x00000000 len=1
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0041 val=0x00000000 len=1
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_write_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_write_config: (4.0): address=0044 val=0xfee0100c len=4
assigned_dev_pci_write_config: (4.0): address=0048 val=0x00004149 len=2
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00000007 len=2
assigned_dev_pci_write_config: (4.0): address=0004 val=0x00000407 len=2
assigned_dev_pci_write_config: NON BAR (4.0): address=0004 val=0x00000407 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_write_config: (4.0): address=0042 val=0x00000001 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0041 val=0x00000000 len=1
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0041 val=0x00000000 len=1
assigned_dev_pci_read_config: (4.0): address=0000 val=0x294c8086 len=4
assigned_dev_pci_read_config: (4.0): address=0008 val=0x02000002 len=4
assigned_dev_pci_read_config: (4.0): address=0000 val=0x294c8086 len=4
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00100407 len=4
assigned_dev_pci_read_config: (4.0): address=0008 val=0x02000002 len=4
assigned_dev_pci_read_config: (4.0): address=000c val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0010 val=0xf2020000 len=4
assigned_dev_pci_read_config: (4.0): address=0014 val=0xf2040000 len=4
assigned_dev_pci_read_config: (4.0): address=0018 val=0x0000c041 len=4
assigned_dev_pci_read_config: (4.0): address=001c val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0020 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0024 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0028 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=002c val=0x00018086 len=4
assigned_dev_pci_read_config: (4.0): address=0030 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=4
assigned_dev_pci_read_config: (4.0): address=0038 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=003c val=0x0000010b len=4
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00010005 len=4
assigned_dev_pci_read_config: (4.0): address=0000 val=0x294c8086 len=4
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00100407 len=4
assigned_dev_pci_read_config: (4.0): address=0008 val=0x02000002 len=4
assigned_dev_pci_read_config: (4.0): address=000c val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0010 val=0xf2020000 len=4
assigned_dev_pci_read_config: (4.0): address=0014 val=0xf2040000 len=4
assigned_dev_pci_read_config: (4.0): address=0018 val=0x0000c041 len=4
assigned_dev_pci_read_config: (4.0): address=001c val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0020 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0024 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0028 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=002c val=0x00018086 len=4
assigned_dev_pci_read_config: (4.0): address=0030 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=4
assigned_dev_pci_read_config: (4.0): address=0038 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=003c val=0x0000010b len=4
assigned_dev_pci_read_config: (4.0): address=0000 val=0x294c8086 len=4
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00100407 len=4
assigned_dev_pci_read_config: (4.0): address=0008 val=0x02000002 len=4
assigned_dev_pci_read_config: (4.0): address=000c val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0010 val=0xf2020000 len=4
assigned_dev_pci_read_config: (4.0): address=0014 val=0xf2040000 len=4
assigned_dev_pci_read_config: (4.0): address=0018 val=0x0000c041 len=4
assigned_dev_pci_read_config: (4.0): address=001c val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0020 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0024 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0028 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=002c val=0x00018086 len=4
assigned_dev_pci_read_config: (4.0): address=0030 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=4
assigned_dev_pci_read_config: (4.0): address=0038 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=003c val=0x0000010b len=4
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000001 len=2
assigned_dev_pci_write_config: (4.0): address=0042 val=0x00000001 len=2
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00000407 len=2
assigned_dev_pci_write_config: (4.0): address=0004 val=0x00000407 len=2
assigned_dev_pci_write_config: NON BAR (4.0): address=0004 val=0x00000407 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000001 len=2
assigned_dev_pci_write_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00000007 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_write_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_write_config: (4.0): address=0044 val=0xfee0100c len=4
assigned_dev_pci_write_config: (4.0): address=0048 val=0x00004151 len=2
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00000007 len=2
assigned_dev_pci_write_config: (4.0): address=0004 val=0x00000407 len=2
assigned_dev_pci_write_config: NON BAR (4.0): address=0004 val=0x00000407 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_write_config: (4.0): address=0042 val=0x00000001 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000001 len=2
assigned_dev_pci_write_config: (4.0): address=0042 val=0x00000001 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000001 len=2
assigned_dev_pci_write_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00000007 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_write_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_write_config: (4.0): address=0044 val=0xfee0100c len=4
assigned_dev_pci_write_config: (4.0): address=0048 val=0x00004159 len=2
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00000007 len=2
assigned_dev_pci_write_config: (4.0): address=0004 val=0x00000407 len=2
assigned_dev_pci_write_config: NON BAR (4.0): address=0004 val=0x00000407 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000000 len=2
assigned_dev_pci_write_config: (4.0): address=0042 val=0x00000001 len=2
assigned_dev_pci_read_config: (4.0): address=0006 val=0x00000010 len=2
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=1
assigned_dev_pci_read_config: (4.0): address=0040 val=0x00000005 len=1
assigned_dev_pci_read_config: (4.0): address=0042 val=0x00000001 len=2
assigned_dev_pci_write_config: (4.0): address=0042 val=0x00000001 len=2
assigned_dev_pci_write_config: (4.0): address=0004 val=0x00000407 len=2
assigned_dev_pci_write_config: NON BAR (4.0): address=0004 val=0x00000407 len=2
assigned_dev_pci_read_config: (4.0): address=0000 val=0x294c8086 len=4
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00100407 len=4
assigned_dev_pci_read_config: (4.0): address=0008 val=0x02000002 len=4
assigned_dev_pci_read_config: (4.0): address=000c val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0010 val=0xf2020000 len=4
assigned_dev_pci_read_config: (4.0): address=0014 val=0xf2040000 len=4
assigned_dev_pci_read_config: (4.0): address=0018 val=0x0000c041 len=4
assigned_dev_pci_read_config: (4.0): address=001c val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0020 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0024 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0028 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=002c val=0x00018086 len=4
assigned_dev_pci_read_config: (4.0): address=0030 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=4
assigned_dev_pci_read_config: (4.0): address=0038 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=003c val=0x0000010b len=4
assigned_dev_pci_read_config: (4.0): address=0000 val=0x294c8086 len=4
assigned_dev_pci_read_config: (4.0): address=0008 val=0x02000002 len=4
assigned_dev_pci_read_config: (4.0): address=0000 val=0x294c8086 len=4
assigned_dev_pci_read_config: (4.0): address=0004 val=0x00100407 len=4
assigned_dev_pci_read_config: (4.0): address=0008 val=0x02000002 len=4
assigned_dev_pci_read_config: (4.0): address=000c val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0010 val=0xf2020000 len=4
assigned_dev_pci_read_config: (4.0): address=0014 val=0xf2040000 len=4
assigned_dev_pci_read_config: (4.0): address=0018 val=0x0000c041 len=4
assigned_dev_pci_read_config: (4.0): address=001c val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0020 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0024 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0028 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=002c val=0x00018086 len=4
assigned_dev_pci_read_config: (4.0): address=0030 val=0x00000000 len=4
assigned_dev_pci_read_config: (4.0): address=0034 val=0x00000040 len=4
assigned_dev_pci_read_config: (4.0): address=0038 val=0x00000000 len=4
cat /pro/interrupts
CPU0 CPU1 CPU2 CPU3
0: 121 1 0 0 IO-APIC-edge timer
1: 1 0 1 0 IO-APIC-edge i8042
3: 1 1 0 1 IO-APIC-edge
8: 0 0 0 1 IO-APIC-edge rtc0
9: 0 0 0 0 IO-APIC-fasteoi acpi
12: 1 2 1 0 IO-APIC-edge i8042
16: 2204 224 1411 199 IO-APIC-fasteoi
pata_marvell, nvidia
17: 56 5567 53 4644 IO-APIC-fasteoi
ehci_hcd:usb1, uhci_hcd:usb5
18: 0 0 0 0 IO-APIC-fasteoi
uhci_hcd:usb3, uhci_hcd:usb8
19: 1 2 2 2 IO-APIC-fasteoi
uhci_hcd:usb7, firewire_ohci
21: 2235 5046 2068 4799 IO-APIC-fasteoi
uhci_hcd:usb4, ata_piix, ata_piix
22: 640 54 327 54 IO-APIC-fasteoi HDA Intel
23: 0 0 0 0 IO-APIC-fasteoi
ehci_hcd:usb2, uhci_hcd:usb6
24: 0 0 0 0 DMAR_MSI-edge dmar0
25: 2 0 0 0 DMAR_MSI-edge dmar1
29: 1 17 5 7 PCI-MSI-edge
kvm_assigned_msi_device
NMI: 0 0 0 0 Non-maskable interrupts
LOC: 31901 44784 23928 32075 Local timer interrupts
RES: 204 938 255 255 Rescheduling interrupts
CAL: 50 550 113 406 Function call interrupts
TLB: 756 846 1042 1038 TLB shootdowns
TRM: 0 0 0 0 Thermal event interrupts
THR: 0 0 0 0 Threshold APIC interrupts
SPU: 0 0 0 0 Spurious interrupts
ERR: 0
MIS: 0
lspci -vv
00:00.0 Host bridge: Intel Corporation 82X38/X48 Express DRAM Controller (rev
01)
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, fast devsel, latency 0
Capabilities: [e0] Vendor Specific Information <?>
00:01.0 PCI bridge: Intel Corporation 82X38/X48 Express Host-Primary PCI
Express Bridge (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 00002000-00002fff
Memory behind bridge: 90000000-92ffffff
Prefetchable memory behind bridge: 0000000080000000-000000008fffffff
Capabilities: [88] Subsystem: Intel Corporation Unknown device 5442
Capabilities: [80] Power Management version 3
Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0
Enable+
Capabilities: [a0] Express Root Port (Slot+), MSI 00
Capabilities: [100] Virtual Channel <?>
Capabilities: [140] Root Complex Link <?>
Kernel driver in use: pcieport-driver
Kernel modules: shpchp
00:19.0 Ethernet controller: Intel Corporation 82566DC-2 Gigabit Network
Connection (rev 02)
Subsystem: Intel Corporation Unknown device 0001
Flags: fast devsel, IRQ 20
Memory at 93200000 (32-bit, non-prefetchable) [size=128K]
Memory at 93224000 (32-bit, non-prefetchable) [size=4K]
I/O ports at 30e0 [size=32]
Capabilities: [c8] Power Management version 2
Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable-
Capabilities: [e0] Vendor Specific Information <?>
Kernel driver in use: pci-stub
Kernel modules: e1000e
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #4 (rev 02) (prog-if 00 [UHCI])
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, medium devsel, latency 0, IRQ 18
I/O ports at 30c0 [size=32]
Capabilities: [50] Vendor Specific Information <?>
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #5 (rev 02) (prog-if 00 [UHCI])
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, medium devsel, latency 0, IRQ 21
I/O ports at 30a0 [size=32]
Capabilities: [50] Vendor Specific Information <?>
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd
00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #6 (rev 02) (prog-if 00 [UHCI])
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, medium devsel, latency 0, IRQ 17
I/O ports at 3080 [size=32]
Capabilities: [50] Vendor Specific Information <?>
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI
Controller #2 (rev 02) (prog-if 20 [EHCI])
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, medium devsel, latency 0, IRQ 17
Memory at 93225400 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Debug port: BAR=1 offset=00a0
Capabilities: [98] Vendor Specific Information <?>
Kernel driver in use: ehci_hcd
Kernel modules: ehci-hcd
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio
Controller (rev 02)
Subsystem: Intel Corporation Unknown device 0519
Flags: bus master, fast devsel, latency 0, IRQ 22
Memory at 93220000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable-
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [100] Virtual Channel <?>
Capabilities: [130] Root Complex Link <?>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1
(rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
Memory behind bridge: 93300000-933fffff
Capabilities: [40] Express Root Port (Slot+), MSI 00
Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0
Enable+
Capabilities: [90] Subsystem: Intel Corporation Optiplex 755
Capabilities: [a0] Power Management version 2
Capabilities: [100] Virtual Channel <?>
Capabilities: [180] Root Complex Link <?>
Kernel driver in use: pcieport-driver
Kernel modules: shpchp
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5
(rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 00001000-00001fff
Memory behind bridge: 93100000-931fffff
Capabilities: [40] Express Root Port (Slot+), MSI 00
Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0
Enable+
Capabilities: [90] Subsystem: Intel Corporation 82801I (ICH9 Family)
PCI Express Port 5
Capabilities: [a0] Power Management version 2
Capabilities: [100] Virtual Channel <?>
Capabilities: [180] Root Complex Link <?>
Kernel driver in use: pcieport-driver
Kernel modules: shpchp
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #1 (rev 02) (prog-if 00 [UHCI])
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, medium devsel, latency 0, IRQ 23
I/O ports at 3060 [size=32]
Capabilities: [50] Vendor Specific Information <?>
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #2 (rev 02) (prog-if 00 [UHCI])
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, medium devsel, latency 0, IRQ 19
I/O ports at 3040 [size=32]
Capabilities: [50] Vendor Specific Information <?>
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd
00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #3 (rev 02) (prog-if 00 [UHCI])
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, medium devsel, latency 0, IRQ 18
I/O ports at 3020 [size=32]
Capabilities: [50] Vendor Specific Information <?>
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI
Controller #1 (rev 02) (prog-if 20 [EHCI])
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, medium devsel, latency 0, IRQ 23
Memory at 93225000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Debug port: BAR=1 offset=00a0
Capabilities: [98] Vendor Specific Information <?>
Kernel driver in use: ehci_hcd
Kernel modules: ehci-hcd
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92) (prog-if 01
[Subtractive decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=04, subordinate=04, sec-latency=32
Memory behind bridge: 93000000-930fffff
Capabilities: [50] Subsystem: Intel Corporation Unknown device 5442
00:1f.0 ISA bridge: Intel Corporation 82801IR (ICH9R) LPC Interface Controller
(rev 02)
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, medium devsel, latency 0
Capabilities: [e0] Vendor Specific Information <?>
Kernel modules: iTCO_wdt
00:1f.2 IDE interface: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 4 port
SATA IDE Controller (rev 02) (prog-if 8f [Master SecP SecO PriP PriO])
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 21
I/O ports at 3458 [size=8]
I/O ports at 346c [size=4]
I/O ports at 3450 [size=8]
I/O ports at 3468 [size=4]
I/O ports at 3430 [size=16]
I/O ports at 3420 [size=16]
Capabilities: [70] Power Management version 3
Capabilities: [b0] Vendor Specific Information <?>
Kernel driver in use: ata_piix
Kernel modules: ata_piix, ata_generic, pata_acpi
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02)
Subsystem: Intel Corporation Unknown device 5442
Flags: medium devsel, IRQ 18
Memory at 93225800 (64-bit, non-prefetchable) [size=256]
I/O ports at 3000 [size=32]
Kernel driver in use: i801_smbus
Kernel modules: i2c-i801
00:1f.5 IDE interface: Intel Corporation 82801I (ICH9 Family) 2 port SATA IDE
Controller (rev 02) (prog-if 85 [Master SecO PriO])
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 21
I/O ports at 3448 [size=8]
I/O ports at 3464 [size=4]
I/O ports at 3440 [size=8]
I/O ports at 3460 [size=4]
I/O ports at 3410 [size=16]
I/O ports at 3400 [size=16]
Capabilities: [70] Power Management version 3
Capabilities: [b0] Vendor Specific Information <?>
Kernel driver in use: ata_piix
Kernel modules: ata_piix, ata_generic, pata_acpi
01:00.0 VGA compatible controller: nVidia Corporation G80 [GeForce 8800 GTX]
(rev a2) (prog-if 00 [VGA controller])
Subsystem: eVga.com. Corp. Unknown device c831
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at 92000000 (32-bit, non-prefetchable) [size=16M]
Memory at 80000000 (64-bit, prefetchable) [size=256M]
Memory at 90000000 (64-bit, non-prefetchable) [size=32M]
I/O ports at 2000 [size=128]
Capabilities: [60] Power Management version 2
Capabilities: [68] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable-
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [100] Virtual Channel <?>
Capabilities: [128] Power Budgeting <?>
Kernel driver in use: nvidia
Kernel modules: nvidia, nvidiafb
03:00.0 IDE interface: Marvell Technology Group Ltd. 88SE6121 SATA II
Controller (rev b2) (prog-if 8f [Master SecP SecO PriP PriO])
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, fast devsel, latency 0, IRQ 16
I/O ports at 1018 [size=8]
I/O ports at 1024 [size=4]
I/O ports at 1010 [size=8]
I/O ports at 1020 [size=4]
I/O ports at 1000 [size=16]
Memory at 93100000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [48] Power Management version 2
Capabilities: [50] Message Signalled Interrupts: Mask- 64bit- Queue=0/0
Enable-
Capabilities: [e0] Express Legacy Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting <?>
Kernel driver in use: pata_marvell
Kernel modules: ata_generic, pata_acpi, ahci, pata_marvell
04:03.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22/A IEEE-1394a-2000
Controller (PHY/Link) (prog-if 10 [OHCI])
Subsystem: Intel Corporation Unknown device 5442
Flags: bus master, medium devsel, latency 32, IRQ 19
Memory at 93004000 (32-bit, non-prefetchable) [size=2K]
Memory at 93000000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [44] Power Management version 2
Kernel driver in use: firewire_ohci
Kernel modules: firewire-ohci
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