---

 sudo dmesg | grep -Ei 'DMAR|IOMMU'
[sudo] пароль для ray: 
[    0.000000] Command line: initrd=\initramfs-linux-cachyos.img root=UUID=4ed71d59-8686-4cbf-bfa7-9b5ed6d7843d rw rootflags=subvol=/@ nowatchdog quiet splash intel_iommu=on
[    0.006570] ACPI: DMAR 0x0000000035FB9F40 0000D8 (v01 ALASKA A M I    00000001 INTL 20091013)
[    0.006590] ACPI: Reserving DMAR table memory at [mem 0x35fb9f40-0x35fba017]
[    0.034225] Kernel command line: initrd=\initramfs-linux-cachyos.img root=UUID=4ed71d59-8686-4cbf-bfa7-9b5ed6d7843d rw rootflags=subvol=/@ nowatchdog quiet splash intel_iommu=on
[    0.034272] DMAR: IOMMU enabled
[    0.083060] DMAR: Host address width 46
[    0.083061] DMAR: DRHD base: 0x000000b5ffc000 flags: 0x0
[    0.083067] DMAR: dmar0: reg_base_addr b5ffc000 ver 1:0 cap 8d2078c106f0466 ecap f020df
[    0.083069] DMAR: DRHD base: 0x000000d8ffc000 flags: 0x0
[    0.083072] DMAR: dmar1: reg_base_addr d8ffc000 ver 1:0 cap 8d2078c106f0466 ecap f020df
[    0.083074] DMAR: DRHD base: 0x000000fbffc000 flags: 0x0
[    0.083076] DMAR: dmar2: reg_base_addr fbffc000 ver 1:0 cap 8d2078c106f0466 ecap f020df
[    0.083077] DMAR: DRHD base: 0x00000092ffc000 flags: 0x1
[    0.083080] DMAR: dmar3: reg_base_addr 92ffc000 ver 1:0 cap 8d2078c106f0466 ecap f020df
[    0.083081] DMAR: RMRR base: 0x00000036d69000 end: 0x00000036d6bfff
[    0.083083] DMAR: ATSR flags: 0x0
[    0.083084] DMAR-IR: IOAPIC id 12 under DRHD base  0xfbffc000 IOMMU 2
[    0.083086] DMAR-IR: IOAPIC id 11 under DRHD base  0xd8ffc000 IOMMU 1
[    0.083086] DMAR-IR: IOAPIC id 10 under DRHD base  0xb5ffc000 IOMMU 0
[    0.083087] DMAR-IR: IOAPIC id 8 under DRHD base  0x92ffc000 IOMMU 3
[    0.083088] DMAR-IR: IOAPIC id 9 under DRHD base  0x92ffc000 IOMMU 3
[    0.083089] DMAR-IR: HPET id 0 under DRHD base 0x92ffc000
[    0.083090] DMAR-IR: x2apic is disabled because BIOS sets x2apic opt out bit.
[    0.083091] DMAR-IR: Use 'intremap=no_x2apic_optout' to override the BIOS setting.
[    0.084037] DMAR-IR: Enabled IRQ remapping in xapic mode
[    1.292061] iommu: Default domain type: Translated
[    1.292061] iommu: DMA domain TLB invalidation policy: lazy mode
[    1.390592] DMAR: No SATC found
[    1.390595] DMAR: dmar1: Using Queued invalidation
[    1.390597] DMAR: dmar3: Using Queued invalidation
[    1.390709] pci 0000:64:00.0: Adding to iommu group 0
[    1.390761] pci 0000:65:00.0: Adding to iommu group 1
[    1.390790] pci 0000:65:00.1: Adding to iommu group 1
[    1.390903] pci 0000:00:00.0: Adding to iommu group 2
[    1.390921] pci 0000:00:04.0: Adding to iommu group 3
[    1.390939] pci 0000:00:04.1: Adding to iommu group 4
[    1.390958] pci 0000:00:04.2: Adding to iommu group 5
[    1.390976] pci 0000:00:04.3: Adding to iommu group 6
[    1.390993] pci 0000:00:04.4: Adding to iommu group 7
[    1.391009] pci 0000:00:04.5: Adding to iommu group 8
[    1.391026] pci 0000:00:04.6: Adding to iommu group 9
[    1.391044] pci 0000:00:04.7: Adding to iommu group 10
[    1.391060] pci 0000:00:05.0: Adding to iommu group 11
[    1.391076] pci 0000:00:05.2: Adding to iommu group 12
[    1.391093] pci 0000:00:05.4: Adding to iommu group 13
[    1.391110] pci 0000:00:08.0: Adding to iommu group 14
[    1.391140] pci 0000:00:08.1: Adding to iommu group 15
[    1.391156] pci 0000:00:08.2: Adding to iommu group 16
[    1.391183] pci 0000:00:14.0: Adding to iommu group 17
[    1.391210] pci 0000:00:16.0: Adding to iommu group 18
[    1.391227] pci 0000:00:17.0: Adding to iommu group 19
[    1.391258] pci 0000:00:1b.0: Adding to iommu group 20
[    1.391278] pci 0000:00:1b.4: Adding to iommu group 21
[    1.391309] pci 0000:00:1c.0: Adding to iommu group 22
[    1.391329] pci 0000:00:1c.1: Adding to iommu group 23
[    1.391349] pci 0000:00:1c.4: Adding to iommu group 24
[    1.391370] pci 0000:00:1c.6: Adding to iommu group 25
[    1.391398] pci 0000:00:1d.0: Adding to iommu group 26
[    1.391458] pci 0000:00:1f.0: Adding to iommu group 27
[    1.391477] pci 0000:00:1f.2: Adding to iommu group 27
[    1.391494] pci 0000:00:1f.3: Adding to iommu group 27
[    1.391511] pci 0000:00:1f.4: Adding to iommu group 27
[    1.391544] pci 0000:00:1f.6: Adding to iommu group 28
[    1.391587] pci 0000:02:00.0: Adding to iommu group 29
[    1.391610] pci 0000:02:00.1: Adding to iommu group 29
[    1.391628] pci 0000:04:00.0: Adding to iommu group 30
[    1.391645] pci 0000:05:00.0: Adding to iommu group 31
[    1.391662] pci 0000:06:00.0: Adding to iommu group 32
[    1.391680] pci 0000:16:05.0: Adding to iommu group 33
[    1.391696] pci 0000:16:05.2: Adding to iommu group 34
[    1.391713] pci 0000:16:05.4: Adding to iommu group 35
[    1.391818] pci 0000:16:08.0: Adding to iommu group 36
[    1.391837] pci 0000:16:08.1: Adding to iommu group 36
[    1.391855] pci 0000:16:08.2: Adding to iommu group 36
[    1.391874] pci 0000:16:08.3: Adding to iommu group 36
[    1.391893] pci 0000:16:08.4: Adding to iommu group 36
[    1.391911] pci 0000:16:08.5: Adding to iommu group 36
[    1.391930] pci 0000:16:08.6: Adding to iommu group 36
[    1.391949] pci 0000:16:08.7: Adding to iommu group 36
[    1.391988] pci 0000:16:09.0: Adding to iommu group 37
[    1.392007] pci 0000:16:09.1: Adding to iommu group 37
[    1.392112] pci 0000:16:0e.0: Adding to iommu group 38
[    1.392132] pci 0000:16:0e.1: Adding to iommu group 38
[    1.392152] pci 0000:16:0e.2: Adding to iommu group 38
[    1.392171] pci 0000:16:0e.3: Adding to iommu group 38
[    1.392191] pci 0000:16:0e.4: Adding to iommu group 38
[    1.392210] pci 0000:16:0e.5: Adding to iommu group 38
[    1.392230] pci 0000:16:0e.6: Adding to iommu group 38
[    1.392249] pci 0000:16:0e.7: Adding to iommu group 38
[    1.392288] pci 0000:16:0f.0: Adding to iommu group 39
[    1.392328] pci 0000:16:0f.1: Adding to iommu group 39
[    1.392391] pci 0000:16:1d.0: Adding to iommu group 40
[    1.392412] pci 0000:16:1d.1: Adding to iommu group 40
[    1.392434] pci 0000:16:1d.2: Adding to iommu group 40
[    1.392455] pci 0000:16:1d.3: Adding to iommu group 40
[    1.392552] pci 0000:16:1e.0: Adding to iommu group 41
[    1.392574] pci 0000:16:1e.1: Adding to iommu group 41
[    1.392594] pci 0000:16:1e.2: Adding to iommu group 41
[    1.392615] pci 0000:16:1e.3: Adding to iommu group 41
[    1.392636] pci 0000:16:1e.4: Adding to iommu group 41
[    1.392657] pci 0000:16:1e.5: Adding to iommu group 41
[    1.392678] pci 0000:16:1e.6: Adding to iommu group 41
[    1.392694] pci 0000:64:05.0: Adding to iommu group 42
[    1.392711] pci 0000:64:05.2: Adding to iommu group 43
[    1.392728] pci 0000:64:05.4: Adding to iommu group 44
[    1.392744] pci 0000:64:08.0: Adding to iommu group 45
[    1.392760] pci 0000:64:09.0: Adding to iommu group 46
[    1.392777] pci 0000:64:0a.0: Adding to iommu group 47
[    1.392795] pci 0000:64:0a.1: Adding to iommu group 48
[    1.392811] pci 0000:64:0a.2: Adding to iommu group 49
[    1.392827] pci 0000:64:0a.3: Adding to iommu group 50
[    1.392845] pci 0000:64:0a.4: Adding to iommu group 51
[    1.392861] pci 0000:64:0a.5: Adding to iommu group 52
[    1.392877] pci 0000:64:0a.6: Adding to iommu group 53
[    1.392893] pci 0000:64:0a.7: Adding to iommu group 54
[    1.392911] pci 0000:64:0b.0: Adding to iommu group 55
[    1.392928] pci 0000:64:0b.1: Adding to iommu group 56
[    1.392945] pci 0000:64:0b.2: Adding to iommu group 57
[    1.392962] pci 0000:64:0b.3: Adding to iommu group 58
[    1.392979] pci 0000:64:0c.0: Adding to iommu group 59
[    1.392995] pci 0000:64:0c.1: Adding to iommu group 60
[    1.393011] pci 0000:64:0c.2: Adding to iommu group 61
[    1.393027] pci 0000:64:0c.3: Adding to iommu group 62
[    1.393043] pci 0000:64:0c.4: Adding to iommu group 63
[    1.393060] pci 0000:64:0c.5: Adding to iommu group 64
[    1.393076] pci 0000:64:0c.6: Adding to iommu group 65
[    1.393093] pci 0000:64:0c.7: Adding to iommu group 66
[    1.393109] pci 0000:64:0d.0: Adding to iommu group 67
[    1.393125] pci 0000:64:0d.1: Adding to iommu group 68
[    1.393141] pci 0000:64:0d.2: Adding to iommu group 69
[    1.393157] pci 0000:64:0d.3: Adding to iommu group 70
[    1.393174] pci 0000:b2:05.0: Adding to iommu group 71
[    1.393192] pci 0000:b2:05.2: Adding to iommu group 72
[    1.393209] pci 0000:b2:05.4: Adding to iommu group 73
[    1.393225] pci 0000:b2:12.0: Adding to iommu group 74
[    1.393264] pci 0000:b2:12.1: Adding to iommu group 75
[    1.393289] pci 0000:b2:12.2: Adding to iommu group 75
[    1.393316] pci 0000:b2:15.0: Adding to iommu group 76
[    1.393354] pci 0000:b2:16.0: Adding to iommu group 77
[    1.393379] pci 0000:b2:16.4: Adding to iommu group 77
[    1.393406] pci 0000:b2:17.0: Adding to iommu group 78
[    1.396354] DMAR: Intel(R) Virtualization Technology for Directed I/O

~
❯ ls -la /sys/kernel/iommu_groups/
drwxr-xr-x - root  1 ноя 12:30  .
drwxr-xr-x - root  1 ноя 12:28  ..
drwxr-xr-x - root  1 ноя 12:30  0
drwxr-xr-x - root  1 ноя 12:30  1
drwxr-xr-x - root  1 ноя 12:30  2
drwxr-xr-x - root  1 ноя 12:30  3
drwxr-xr-x - root  1 ноя 12:30  4
drwxr-xr-x - root  1 ноя 12:30  5
drwxr-xr-x - root  1 ноя 12:30  6
drwxr-xr-x - root  1 ноя 12:30  7
drwxr-xr-x - root  1 ноя 12:30  8
drwxr-xr-x - root  1 ноя 12:30  9
drwxr-xr-x - root  1 ноя 12:30  10
drwxr-xr-x - root  1 ноя 12:30  11
drwxr-xr-x - root  1 ноя 12:30  12
drwxr-xr-x - root  1 ноя 12:30  13
drwxr-xr-x - root  1 ноя 12:30  14
drwxr-xr-x - root  1 ноя 12:30  15
drwxr-xr-x - root  1 ноя 12:30  16
drwxr-xr-x - root  1 ноя 12:30  17
drwxr-xr-x - root  1 ноя 12:30  18
drwxr-xr-x - root  1 ноя 12:30  19
drwxr-xr-x - root  1 ноя 12:30  20
drwxr-xr-x - root  1 ноя 12:30  21
drwxr-xr-x - root  1 ноя 12:30  22
drwxr-xr-x - root  1 ноя 12:30  23
drwxr-xr-x - root  1 ноя 12:30  24
drwxr-xr-x - root  1 ноя 12:30  25
drwxr-xr-x - root  1 ноя 12:30  26
drwxr-xr-x - root  1 ноя 12:30  27
drwxr-xr-x - root  1 ноя 12:30  28
drwxr-xr-x - root  1 ноя 12:30  29
drwxr-xr-x - root  1 ноя 12:30  30
drwxr-xr-x - root  1 ноя 12:30  31
drwxr-xr-x - root  1 ноя 12:30  32
drwxr-xr-x - root  1 ноя 12:30  33
drwxr-xr-x - root  1 ноя 12:30  34
drwxr-xr-x - root  1 ноя 12:30  35
drwxr-xr-x - root  1 ноя 12:30  36
drwxr-xr-x - root  1 ноя 12:30  37
drwxr-xr-x - root  1 ноя 12:30  38
drwxr-xr-x - root  1 ноя 12:30  39
drwxr-xr-x - root  1 ноя 12:30  40
drwxr-xr-x - root  1 ноя 12:30  41
drwxr-xr-x - root  1 ноя 12:30  42
drwxr-xr-x - root  1 ноя 12:30  43
drwxr-xr-x - root  1 ноя 12:30  44
drwxr-xr-x - root  1 ноя 12:30  45
drwxr-xr-x - root  1 ноя 12:30  46
drwxr-xr-x - root  1 ноя 12:30  47
drwxr-xr-x - root  1 ноя 12:30  48
drwxr-xr-x - root  1 ноя 12:30  49
drwxr-xr-x - root  1 ноя 12:30  50
drwxr-xr-x - root  1 ноя 12:30  51
drwxr-xr-x - root  1 ноя 12:30  52
drwxr-xr-x - root  1 ноя 12:30  53
drwxr-xr-x - root  1 ноя 12:30  54
drwxr-xr-x - root  1 ноя 12:30  55
drwxr-xr-x - root  1 ноя 12:30  56
drwxr-xr-x - root  1 ноя 12:30  57
drwxr-xr-x - root  1 ноя 12:30  58
drwxr-xr-x - root  1 ноя 12:30  59
drwxr-xr-x - root  1 ноя 12:30  60
drwxr-xr-x - root  1 ноя 12:30  61
drwxr-xr-x - root  1 ноя 12:30  62
drwxr-xr-x - root  1 ноя 12:30  63
drwxr-xr-x - root  1 ноя 12:30  64
drwxr-xr-x - root  1 ноя 12:30  65
drwxr-xr-x - root  1 ноя 12:30  66
drwxr-xr-x - root  1 ноя 12:30  67
drwxr-xr-x - root  1 ноя 12:30  68
drwxr-xr-x - root  1 ноя 12:30  69
drwxr-xr-x - root  1 ноя 12:30  70
drwxr-xr-x - root  1 ноя 12:30  71
drwxr-xr-x - root  1 ноя 12:30  72
drwxr-xr-x - root  1 ноя 12:30  73
drwxr-xr-x - root  1 ноя 12:30  74
drwxr-xr-x - root  1 ноя 12:30  75
drwxr-xr-x - root  1 ноя 12:30  76
drwxr-xr-x - root  1 ноя 12:30  77
drwxr-xr-x - root  1 ноя 12:30  78

~
❯