Error passing through video card NVIDIA K620


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Hi,

 

I am getting this error whe I strar the VM using the NVIDIA card in passthrough mode.

 

Oct 13 03:06:12 MyUnraid-1U kernel: vfio-pci 0000:81:00.0: enabling device (0140 -> 0141)
Oct 13 03:06:12 MyUnraid-1U kernel: vfio-pci 0000:81:00.0: vfio_ecap_init: hiding ecap 0x1e@0x258
Oct 13 03:06:12 MyUnraid-1U kernel: vfio-pci 0000:81:00.0: vfio_ecap_init: hiding ecap 0x19@0x900
Oct 13 03:06:12 MyUnraid-1U kernel: qemu-system-x86[6080]: segfault at a8 ip 00005618620c812a sp 00007ffc610531b0 error 4 in qemu-system-x86_64[561861fbb000+51d000]
Oct 13 03:06:12 MyUnraid-1U kernel: Code: ef ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 53 48 89 fb 48 83 ec 08 48 8b 6f 58 e8 4e de ff ff 48 89 df e8 16 e9 ff ff <48> 8b 85 a8 00 00 00 48 85 c0 74 52 8b 93 a0 00 00 00 eb 0e 66 90
Oct 13 03:06:13 MyUnraid-1U avahi-daemon[3536]: Interface vnet0.IPv6 no longer relevant for mDNS.

 

I enabled vfio-pci correclty:

 

IOMMU group 29:[10de:13bb] 81:00.0 VGA compatible controller: NVIDIA Corporation GM107GL [Quadro K620] (rev a2)

[10de:0fbc] 81:00.1 Audio device: NVIDIA Corporation GM107 High Definition Audio Controller [GeForce 940MX] (rev a1)

 

Here is the log:

Loading config from /boot/config/vfio-pci.cfg
BIND=0000:81:00.0|10de:13bb 0000:81:00.1|10de:0fbc 0000:7f:10.0|8086:2f1d 0000:7f:10.1|8086:2f34 0000:7f:10.5|8086:2f1e 0000:7f:10.6|8086:2f7d 0000:7f:10.7|8086:2f1f 0000:ff:10.0|8086:2f1d 0000:ff:10.1|8086:2f34 0000:ff:10.5|8086:2f1e 0000:ff:10.6|8086:2f7d 0000:ff:10.7|8086:2f1f
---
Processing 0000:81:00.0 10de:13bb
Vendor:Device 10de:13bb found at 0000:81:00.0

IOMMU group members (sans bridges):
/sys/bus/pci/devices/0000:81:00.0/iommu_group/devices/0000:81:00.0
/sys/bus/pci/devices/0000:81:00.0/iommu_group/devices/0000:81:00.1

Binding...
Successfully bound the device 10de:13bb at 0000:81:00.0 to vfio-pci
---
Processing 0000:81:00.1 10de:0fbc
Vendor:Device 10de:0fbc found at 0000:81:00.1

IOMMU group members (sans bridges):
/sys/bus/pci/devices/0000:81:00.1/iommu_group/devices/0000:81:00.0
/sys/bus/pci/devices/0000:81:00.1/iommu_group/devices/0000:81:00.1

Binding...
0000:81:00.0 already bound to vfio-pci
0000:81:00.1 already bound to vfio-pci
Successfully bound the device 10de:0fbc at 0000:81:00.1 to vfio-pci
---
Processing 0000:7f:10.0 8086:2f1d
Vendor:Device 8086:2f1d found at 0000:7f:10.0

IOMMU group members (sans bridges):
/sys/bus/pci/devices/0000:7f:10.0/iommu_group/devices/0000:7f:10.0
/sys/bus/pci/devices/0000:7f:10.0/iommu_group/devices/0000:7f:10.1
/sys/bus/pci/devices/0000:7f:10.0/iommu_group/devices/0000:7f:10.5
/sys/bus/pci/devices/0000:7f:10.0/iommu_group/devices/0000:7f:10.6
/sys/bus/pci/devices/0000:7f:10.0/iommu_group/devices/0000:7f:10.7

Binding...
Successfully bound the device 8086:2f1d at 0000:7f:10.0 to vfio-pci
---
Processing 0000:7f:10.1 8086:2f34
Vendor:Device 8086:2f34 found at 0000:7f:10.1

IOMMU group members (sans bridges):
/sys/bus/pci/devices/0000:7f:10.1/iommu_group/devices/0000:7f:10.0
/sys/bus/pci/devices/0000:7f:10.1/iommu_group/devices/0000:7f:10.1
/sys/bus/pci/devices/0000:7f:10.1/iommu_group/devices/0000:7f:10.5
/sys/bus/pci/devices/0000:7f:10.1/iommu_group/devices/0000:7f:10.6
/sys/bus/pci/devices/0000:7f:10.1/iommu_group/devices/0000:7f:10.7

Binding...
0000:7f:10.0 already bound to vfio-pci
0000:7f:10.1 already bound to vfio-pci
0000:7f:10.5 already bound to vfio-pci
0000:7f:10.6 already bound to vfio-pci
0000:7f:10.7 already bound to vfio-pci
Successfully bound the device 8086:2f34 at 0000:7f:10.1 to vfio-pci
---
Processing 0000:7f:10.5 8086:2f1e
Vendor:Device 8086:2f1e found at 0000:7f:10.5

IOMMU group members (sans bridges):
/sys/bus/pci/devices/0000:7f:10.5/iommu_group/devices/0000:7f:10.0
/sys/bus/pci/devices/0000:7f:10.5/iommu_group/devices/0000:7f:10.1
/sys/bus/pci/devices/0000:7f:10.5/iommu_group/devices/0000:7f:10.5
/sys/bus/pci/devices/0000:7f:10.5/iommu_group/devices/0000:7f:10.6
/sys/bus/pci/devices/0000:7f:10.5/iommu_group/devices/0000:7f:10.7

Binding...
0000:7f:10.0 already bound to vfio-pci
0000:7f:10.1 already bound to vfio-pci
0000:7f:10.5 already bound to vfio-pci
0000:7f:10.6 already bound to vfio-pci
0000:7f:10.7 already bound to vfio-pci
Successfully bound the device 8086:2f1e at 0000:7f:10.5 to vfio-pci
---
Processing 0000:7f:10.6 8086:2f7d
Vendor:Device 8086:2f7d found at 0000:7f:10.6

IOMMU group members (sans bridges):
/sys/bus/pci/devices/0000:7f:10.6/iommu_group/devices/0000:7f:10.0
/sys/bus/pci/devices/0000:7f:10.6/iommu_group/devices/0000:7f:10.1
/sys/bus/pci/devices/0000:7f:10.6/iommu_group/devices/0000:7f:10.5
/sys/bus/pci/devices/0000:7f:10.6/iommu_group/devices/0000:7f:10.6
/sys/bus/pci/devices/0000:7f:10.6/iommu_group/devices/0000:7f:10.7

Binding...
0000:7f:10.0 already bound to vfio-pci
0000:7f:10.1 already bound to vfio-pci
0000:7f:10.5 already bound to vfio-pci
0000:7f:10.6 already bound to vfio-pci
0000:7f:10.7 already bound to vfio-pci
Successfully bound the device 8086:2f7d at 0000:7f:10.6 to vfio-pci
---
Processing 0000:7f:10.7 8086:2f1f
Vendor:Device 8086:2f1f found at 0000:7f:10.7

IOMMU group members (sans bridges):
/sys/bus/pci/devices/0000:7f:10.7/iommu_group/devices/0000:7f:10.0
/sys/bus/pci/devices/0000:7f:10.7/iommu_group/devices/0000:7f:10.1
/sys/bus/pci/devices/0000:7f:10.7/iommu_group/devices/0000:7f:10.5
/sys/bus/pci/devices/0000:7f:10.7/iommu_group/devices/0000:7f:10.6
/sys/bus/pci/devices/0000:7f:10.7/iommu_group/devices/0000:7f:10.7

Binding...
0000:7f:10.0 already bound to vfio-pci
0000:7f:10.1 already bound to vfio-pci
0000:7f:10.5 already bound to vfio-pci
0000:7f:10.6 already bound to vfio-pci
0000:7f:10.7 already bound to vfio-pci
Successfully bound the device 8086:2f1f at 0000:7f:10.7 to vfio-pci
---
Processing 0000:ff:10.0 8086:2f1d
Vendor:Device 8086:2f1d found at 0000:ff:10.0

IOMMU group members (sans bridges):
/sys/bus/pci/devices/0000:ff:10.0/iommu_group/devices/0000:ff:10.0
/sys/bus/pci/devices/0000:ff:10.0/iommu_group/devices/0000:ff:10.1
/sys/bus/pci/devices/0000:ff:10.0/iommu_group/devices/0000:ff:10.5
/sys/bus/pci/devices/0000:ff:10.0/iommu_group/devices/0000:ff:10.6
/sys/bus/pci/devices/0000:ff:10.0/iommu_group/devices/0000:ff:10.7

Binding...
Successfully bound the device 8086:2f1d at 0000:ff:10.0 to vfio-pci
---
Processing 0000:ff:10.1 8086:2f34
Vendor:Device 8086:2f34 found at 0000:ff:10.1

IOMMU group members (sans bridges):
/sys/bus/pci/devices/0000:ff:10.1/iommu_group/devices/0000:ff:10.0
/sys/bus/pci/devices/0000:ff:10.1/iommu_group/devices/0000:ff:10.1
/sys/bus/pci/devices/0000:ff:10.1/iommu_group/devices/0000:ff:10.5
/sys/bus/pci/devices/0000:ff:10.1/iommu_group/devices/0000:ff:10.6
/sys/bus/pci/devices/0000:ff:10.1/iommu_group/devices/0000:ff:10.7

Binding...
0000:ff:10.0 already bound to vfio-pci
0000:ff:10.1 already bound to vfio-pci
0000:ff:10.5 already bound to vfio-pci
0000:ff:10.6 already bound to vfio-pci
0000:ff:10.7 already bound to vfio-pci
Successfully bound the device 8086:2f34 at 0000:ff:10.1 to vfio-pci
---
Processing 0000:ff:10.5 8086:2f1e
Vendor:Device 8086:2f1e found at 0000:ff:10.5

IOMMU group members (sans bridges):
/sys/bus/pci/devices/0000:ff:10.5/iommu_group/devices/0000:ff:10.0
/sys/bus/pci/devices/0000:ff:10.5/iommu_group/devices/0000:ff:10.1
/sys/bus/pci/devices/0000:ff:10.5/iommu_group/devices/0000:ff:10.5
/sys/bus/pci/devices/0000:ff:10.5/iommu_group/devices/0000:ff:10.6
/sys/bus/pci/devices/0000:ff:10.5/iommu_group/devices/0000:ff:10.7

Binding...
0000:ff:10.0 already bound to vfio-pci
0000:ff:10.1 already bound to vfio-pci
0000:ff:10.5 already bound to vfio-pci
0000:ff:10.6 already bound to vfio-pci
0000:ff:10.7 already bound to vfio-pci
Successfully bound the device 8086:2f1e at 0000:ff:10.5 to vfio-pci
---
Processing 0000:ff:10.6 8086:2f7d
Vendor:Device 8086:2f7d found at 0000:ff:10.6

IOMMU group members (sans bridges):
/sys/bus/pci/devices/0000:ff:10.6/iommu_group/devices/0000:ff:10.0
/sys/bus/pci/devices/0000:ff:10.6/iommu_group/devices/0000:ff:10.1
/sys/bus/pci/devices/0000:ff:10.6/iommu_group/devices/0000:ff:10.5
/sys/bus/pci/devices/0000:ff:10.6/iommu_group/devices/0000:ff:10.6
/sys/bus/pci/devices/0000:ff:10.6/iommu_group/devices/0000:ff:10.7

Binding...
0000:ff:10.0 already bound to vfio-pci
0000:ff:10.1 already bound to vfio-pci
0000:ff:10.5 already bound to vfio-pci
0000:ff:10.6 already bound to vfio-pci
0000:ff:10.7 already bound to vfio-pci
Successfully bound the device 8086:2f7d at 0000:ff:10.6 to vfio-pci
---
Processing 0000:ff:10.7 8086:2f1f
Vendor:Device 8086:2f1f found at 0000:ff:10.7

IOMMU group members (sans bridges):
/sys/bus/pci/devices/0000:ff:10.7/iommu_group/devices/0000:ff:10.0
/sys/bus/pci/devices/0000:ff:10.7/iommu_group/devices/0000:ff:10.1
/sys/bus/pci/devices/0000:ff:10.7/iommu_group/devices/0000:ff:10.5
/sys/bus/pci/devices/0000:ff:10.7/iommu_group/devices/0000:ff:10.6
/sys/bus/pci/devices/0000:ff:10.7/iommu_group/devices/0000:ff:10.7

Binding...
0000:ff:10.0 already bound to vfio-pci
0000:ff:10.1 already bound to vfio-pci
0000:ff:10.5 already bound to vfio-pci
0000:ff:10.6 already bound to vfio-pci
0000:ff:10.7 already bound to vfio-pci
Successfully bound the device 8086:2f1f at 0000:ff:10.7 to vfio-pci
---
vfio-pci binding complete

Devices listed in /sys/bus/pci/drivers/vfio-pci:
lrwxrwxrwx 1 root root 0 Oct 13 05:02 0000:7f:10.0 -> ../../../../devices/pci0000:7f/0000:7f:10.0
lrwxrwxrwx 1 root root 0 Oct 13 05:02 0000:7f:10.1 -> ../../../../devices/pci0000:7f/0000:7f:10.1
lrwxrwxrwx 1 root root 0 Oct 13 05:02 0000:7f:10.5 -> ../../../../devices/pci0000:7f/0000:7f:10.5
lrwxrwxrwx 1 root root 0 Oct 13 05:02 0000:7f:10.6 -> ../../../../devices/pci0000:7f/0000:7f:10.6
lrwxrwxrwx 1 root root 0 Oct 13 05:02 0000:7f:10.7 -> ../../../../devices/pci0000:7f/0000:7f:10.7
lrwxrwxrwx 1 root root 0 Oct 13 05:02 0000:81:00.0 -> ../../../../devices/pci0000:80/0000:80:02.0/0000:81:00.0
lrwxrwxrwx 1 root root 0 Oct 13 05:02 0000:81:00.1 -> ../../../../devices/pci0000:80/0000:80:02.0/0000:81:00.1
lrwxrwxrwx 1 root root 0 Oct 13 05:02 0000:ff:10.0 -> ../../../../devices/pci0000:ff/0000:ff:10.0
lrwxrwxrwx 1 root root 0 Oct 13 05:02 0000:ff:10.1 -> ../../../../devices/pci0000:ff/0000:ff:10.1
lrwxrwxrwx 1 root root 0 Oct 13 05:02 0000:ff:10.5 -> ../../../../devices/pci0000:ff/0000:ff:10.5
lrwxrwxrwx 1 root root 0 Oct 13 05:02 0000:ff:10.6 -> ../../../../devices/pci0000:ff/0000:ff:10.6
lrwxrwxrwx 1 root root 0 Oct 13 05:02 0000:ff:10.7 -> ../../../../devices/pci0000:ff/0000:ff:10.7

ls -l /dev/vfio/
total 0
crw------- 1 root root 249, 0 Oct 13 05:02 29
crw------- 1 root root 249, 1 Oct 13 05:02 35
crw------- 1 root root 249, 2 Oct 13 05:02 49
crw-rw-rw- 1 root root 10, 196 Oct 13 05:02 vfio

 

What am I missing? I'm using a Lenovo x3550 M2 with K620 installed inte PCIe Raiser card attached to CPU2

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