IMMOU not enabled but it is enabled

tomtuszynski

New Member
Sep 16, 2022
11
0
1
Hello,

i have a problem with the gpu passtrough in proxmox win10 vm.
I have ebabled the IMMOU it says too its enabled but proxmox says that it isnt enabled.

Can anyone help me? :/
 

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Do you see more than one IOMMU group on the host? Otherwise IOMMU might be only partially enabled. Without multiple IOMMU groups passthrough won't work (as this works per group) even if IOMMU is enabled.
What does this console command show (on the Proxmox host): for d in /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done?
 
Last edited:
also please post the complete output of 'dmesg'
 
Do you see more than one IOMMU group on the host? Otherwise IOMMU might be only partially enabled. Without multiple IOMMU groups passthrough won't work (as this works per group) even if IOMMU is enabled.
What does this console command show (on the Proxmox host): for d in /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done?
root@pve:~# d in /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done
-bash: syntax error near unexpected token `do'
root@pve:~# /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done
-bash: syntax error near unexpected token `do'
root@pve:~# /sys/kernel/iommu_groups/*/devices/*; n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done
-bash: syntax error near unexpected token `done'
root@pve:~# /sys/kernel/iommu_groups/*/devices/*; n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}";
-bash: /sys/kernel/iommu_groups/*/devices/*: No such file or directory
IOMMU group 00:00.0 Host bridge [0600]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 DMI2 [8086:0e00] (rev 04)
00:01.0 PCI bridge [0604]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 1a [8086:0e02] (rev 04)
00:02.0 PCI bridge [0604]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 2a [8086:0e04] (rev 04)
00:03.0 PCI bridge [0604]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 3a [8086:0e08] (rev 04)
00:05.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 VTd/Memory Map/Misc [8086:0e28] (rev 04)
00:05.2 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 IIO RAS [8086:0e2a] (rev 04)
00:05.4 PIC [0800]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 IOAPIC [8086:0e2c] (rev 04)
00:11.0 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Virtual Root Port [8086:1d3e] (rev 06)
00:16.0 Communication controller [0780]: Intel Corporation C600/X79 series chipset MEI Controller #1 [8086:1d3a] (rev 05)
00:1a.0 USB controller [0c03]: Intel Corporation C600/X79 series chipset USB2 Enhanced Host Controller #2 [8086:1d2d] (rev 06)
00:1b.0 Audio device [0403]: Intel Corporation C600/X79 series chipset High Definition Audio Controller [8086:1d20] (rev 06)
00:1c.0 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 1 [8086:1d10] (rev b6)
00:1c.1 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 2 [8086:1d12] (rev b6)
00:1c.2 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 3 [8086:1d14] (rev b6)
00:1c.3 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 4 [8086:1d16] (rev b6)
00:1c.5 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 6 [8086:1d1a] (rev b6)
00:1c.6 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 7 [8086:1d1c] (rev b6)
00:1c.7 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 8 [8086:1d1e] (rev b6)
00:1d.0 USB controller [0c03]: Intel Corporation C600/X79 series chipset USB2 Enhanced Host Controller #1 [8086:1d26] (rev 06)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev a6)
00:1f.0 ISA bridge [0601]: Intel Corporation C600/X79 series chipset LPC Controller [8086:1d41] (rev 06)
00:1f.2 SATA controller [0106]: Intel Corporation C600/X79 series chipset 6-Port SATA AHCI Controller [8086:1d02] (rev 06)
00:1f.3 SMBus [0c05]: Intel Corporation C600/X79 series chipset SMBus Host Controller [8086:1d22] (rev 06)
02:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP106GL [Quadro P2200] [10de:1c31] (rev a1)
02:00.1 Audio device [0403]: NVIDIA Corporation GP106 High Definition Audio Controller [10de:10f1] (rev a1)
06:00.0 USB controller [0c03]: Texas Instruments TUSB73x0 SuperSpeed USB 3.0 xHCI Host Controller [104c:8241] (rev 02)
07:00.0 USB controller [0c03]: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller [1b21:1042]
08:00.0 Ethernet controller [0200]: Broadcom Inc. and subsidiaries NetLink BCM57781 Gigabit Ethernet PCIe [14e4:16b1] (rev 10)
09:00.0 FireWire (IEEE 1394) [0c00]: VIA Technologies, Inc. VT6315 Series Firewire Controller [1106:3403] (rev 01)
0a:00.0 SATA controller [0106]: ASMedia Technology Inc. ASM1062 Serial ATA Controller [1b21:0612] (rev 01)
0b:00.0 SATA controller [0106]: ASMedia Technology Inc. ASM1062 Serial ATA Controller [1b21:0612] (rev 01)
ff:08.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Link 0 [8086:0e80] (rev 04)
ff:09.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Link 1 [8086:0e90] (rev 04)
ff:0a.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 0 [8086:0ec0] (rev 04)
ff:0a.1 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 1 [8086:0ec1] (rev 04)
ff:0a.2 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 2 [8086:0ec2] (rev 04)
ff:0a.3 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 3 [8086:0ec3] (rev 04)
ff:0b.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 UBOX Registers [8086:0e1e] (rev 04)
ff:0b.3 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 UBOX Registers [8086:0e1f] (rev 04)
ff:0c.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers [8086:0ee0] (rev 04)
ff:0c.1 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers [8086:0ee2] (rev 04)
ff:0d.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers [8086:0ee1] (rev 04)
ff:0d.1 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers [8086:0ee3] (rev 04)
ff:0e.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Home Agent 0 [8086:0ea0] (rev 04)
ff:0e.1 Performance counters [1101]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Home Agent 0 [8086:0e30] (rev 04)
ff:0f.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Target Address/Thermal Registers [8086:0ea8] (rev 04)
ff:0f.1 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 RAS Registers [8086:0e71] (rev 04)
ff:0f.2 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers [808... (rev 04)
ff:0f.3 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers [808... (rev 04)
ff:0f.4 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers [808... (rev 04)
ff:0f.5 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers [808... (rev 04)
ff:10.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 0 [8086:0eb0] (rev 04)
ff:10.1 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 1 [8086:0eb1] (rev 04)
ff:10.2 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 0 [8086:0eb2] (rev 04)
ff:10.3 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 1 [8086:0eb3] (rev 04)
ff:10.4 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 2 [8086:0eb4] (rev 04)
ff:10.5 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 3 [8086:0eb5] (rev 04)
ff:10.7 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 3 [8086:0eb7] (rev 04)
ff:13.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 R2PCIe [8086:0e1d] (rev 04)
ff:13.1 Performance counters [1101]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 R2PCIe [8086:0e34] (rev 04)
ff:13.4 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Ring Registers [8086:0e81] (rev 04)
ff:13.5 Performance counters [1101]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Ring Performance Ring Monitoring [8086:0e36] (rev 04)
ff:16.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 System Address Decoder [8086:0ec8] (rev 04)
ff:16.1 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Broadcast Registers [8086:0ec9] (rev 04)
ff:16.2 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Broadcast Registers [8086:0eca] (rev 04)
 
root@pve:~# d in /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done
-bash: syntax error near unexpected token `do'
root@pve:~# /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done
-bash: syntax error near unexpected token `do'
root@pve:~# /sys/kernel/iommu_groups/*/devices/*; n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done
-bash: syntax error near unexpected token `done'
root@pve:~# /sys/kernel/iommu_groups/*/devices/*; n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}";
-bash: /sys/kernel/iommu_groups/*/devices/*: No such file or directory
Unfortunately, you did not enter the whole command (in one line):
for d in /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done
So I cannot really deduce anything from it.

From the dmesg log, it does look like IOMMU is not enabled. Please double check the BIOS and the kernel parameter. What is the output of cat /proc/cmdline? Does it show intel_iommu=on?
 
Last edited:
Unfortunately, you did not enter the whole command (in one line):
for d in /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done
So I cannot really deduce anything from it.
root@pve:~# for d in /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done
IOMMU group * 00:00.0 Host bridge [0600]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 DMI2 [8086:0e00] (rev 04)
00:01.0 PCI bridge [0604]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 1a [8086:0e02] (rev 04)
00:02.0 PCI bridge [0604]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 2a [8086:0e04] (rev 04)
00:03.0 PCI bridge [0604]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 3a [8086:0e08] (rev 04)
00:05.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 VTd/Memory Map/Misc [8086:0e28] (rev 04)
00:05.2 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 IIO RAS [8086:0e2a] (rev 04)
00:05.4 PIC [0800]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 IOAPIC [8086:0e2c] (rev 04)
00:11.0 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Virtual Root Port [8086:1d3e] (rev 06)
00:16.0 Communication controller [0780]: Intel Corporation C600/X79 series chipset MEI Controller #1 [8086:1d3a] (rev 05)
00:1a.0 USB controller [0c03]: Intel Corporation C600/X79 series chipset USB2 Enhanced Host Controller #2 [8086:1d2d] (rev 06)
00:1b.0 Audio device [0403]: Intel Corporation C600/X79 series chipset High Definition Audio Controller [8086:1d20] (rev 06)
00:1c.0 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 1 [8086:1d10] (rev b6)
00:1c.1 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 2 [8086:1d12] (rev b6)
00:1c.2 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 3 [8086:1d14] (rev b6)
00:1c.3 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 4 [8086:1d16] (rev b6)
00:1c.5 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 6 [8086:1d1a] (rev b6)
00:1c.6 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 7 [8086:1d1c] (rev b6)
00:1c.7 PCI bridge [0604]: Intel Corporation C600/X79 series chipset PCI Express Root Port 8 [8086:1d1e] (rev b6)
00:1d.0 USB controller [0c03]: Intel Corporation C600/X79 series chipset USB2 Enhanced Host Controller #1 [8086:1d26] (rev 06)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev a6)
00:1f.0 ISA bridge [0601]: Intel Corporation C600/X79 series chipset LPC Controller [8086:1d41] (rev 06)
00:1f.2 SATA controller [0106]: Intel Corporation C600/X79 series chipset 6-Port SATA AHCI Controller [8086:1d02] (rev 06)
00:1f.3 SMBus [0c05]: Intel Corporation C600/X79 series chipset SMBus Host Controller [8086:1d22] (rev 06)
02:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP106GL [Quadro P2200] [10de:1c31] (rev a1)
02:00.1 Audio device [0403]: NVIDIA Corporation GP106 High Definition Audio Controller [10de:10f1] (rev a1)
06:00.0 USB controller [0c03]: Texas Instruments TUSB73x0 SuperSpeed USB 3.0 xHCI Host Controller [104c:8241] (rev 02)
07:00.0 USB controller [0c03]: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller [1b21:1042]
08:00.0 Ethernet controller [0200]: Broadcom Inc. and subsidiaries NetLink BCM57781 Gigabit Ethernet PCIe [14e4:16b1] (rev 10)
09:00.0 FireWire (IEEE 1394) [0c00]: VIA Technologies, Inc. VT6315 Series Firewire Controller [1106:3403] (rev 01)
0a:00.0 SATA controller [0106]: ASMedia Technology Inc. ASM1062 Serial ATA Controller [1b21:0612] (rev 01)
0b:00.0 SATA controller [0106]: ASMedia Technology Inc. ASM1062 Serial ATA Controller [1b21:0612] (rev 01)
ff:08.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Link 0 [8086:0e80] (rev 04)
ff:09.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Link 1 [8086:0e90] (rev 04)
ff:0a.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 0 [8086:0ec0] (rev 04)
ff:0a.1 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 1 [8086:0ec1] (rev 04)
ff:0a.2 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 2 [8086:0ec2] (rev 04)
ff:0a.3 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 3 [8086:0ec3] (rev 04)
ff:0b.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 UBOX Registers [8086:0e1e] (rev 04)
ff:0b.3 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 UBOX Registers [8086:0e1f] (rev 04)
ff:0c.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers [8086:0ee0] (rev 04)
ff:0c.1 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers [8086:0ee2] (rev 04)
ff:0d.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers [8086:0ee1] (rev 04)
ff:0d.1 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers [8086:0ee3] (rev 04)
ff:0e.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Home Agent 0 [8086:0ea0] (rev 04)
ff:0e.1 Performance counters [1101]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Home Agent 0 [8086:0e30] (rev 04)
ff:0f.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Target Address/Thermal Registers [8086:0ea8] (rev 04)
ff:0f.1 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 RAS Registers [8086:0e71] (rev 04)
ff:0f.2 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers [808... (rev 04)
ff:0f.3 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers [808... (rev 04)
ff:0f.4 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers [808... (rev 04)
ff:0f.5 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers [808... (rev 04)
ff:10.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 0 [8086:0eb0] (rev 04)
ff:10.1 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 1 [8086:0eb1] (rev 04)
ff:10.2 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 0 [8086:0eb2] (rev 04)
ff:10.3 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 1 [8086:0eb3] (rev 04)
ff:10.4 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 2 [8086:0eb4] (rev 04)
ff:10.5 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 3 [8086:0eb5] (rev 04)
ff:10.7 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 3 [8086:0eb7] (rev 04)
ff:13.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 R2PCIe [8086:0e1d] (rev 04)
ff:13.1 Performance counters [1101]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 R2PCIe [8086:0e34] (rev 04)
ff:13.4 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Ring Registers [8086:0e81] (rev 04)
ff:13.5 Performance counters [1101]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 QPI Ring Performance Ring Monitoring [8086:0e36] (rev 04)
ff:16.0 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 System Address Decoder [8086:0ec8] (rev 04)
ff:16.1 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Broadcast Registers [8086:0ec9] (rev 04)
ff:16.2 System peripheral [0880]: Intel Corporation Xeon E7 v2/Xeon E5 v2/Core i7 Broadcast Registers [8086:0eca] (rev 04)
 
root@pve:~# for d in /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"; done
IOMMU group *
From this and the dmesg log, it is clear that IOMMU is not enabled. Please double check the BIOS and the kernel parameter. What is the output of cat /proc/cmdline? Does it show intel_iommu=on?
 
now better? :)
From this and the dmesg log, it is clear that IOMMU is not enabled. Please double check the BIOS and the kernel parameter. What is the output of cat /proc/cmdline? Does it show intel_iommu=on?
root@pve:~# cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-5.15.30-2-pve root=/dev/mapper/pve-root ro quiet intel_iommu=on
root@pve:~#
 
Yes its just working. sorry its my brain error. But now i have a new problem. Why i cant have 1 gpu in 2 vm's?
 

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