Oops#1 Part19
<6>[   10.581334][  T189] pci 0000:02:00.0: Adding to iommu group 18
<6>[   10.581415][  T189] pci 0000:02:01.0: [8086:0b26] type 01 class 0x060400 PCIe Switch Downstream Port
<6>[   10.581457][  T189] pci 0000:02:01.0: PCI bridge to [bus 00]
<6>[   10.581468][  T189] pci 0000:02:01.0:   bridge window [io  0x0000-0x0fff]
<6>[   10.581473][  T189] pci 0000:02:01.0:   bridge window [mem 0x00000000-0x000fffff]
<6>[   10.581490][  T189] pci 0000:02:01.0:   bridge window [mem 0x00000000-0x000fffff 64bit pref]
<6>[   10.581512][  T189] pci 0000:02:01.0: enabling Extended Tags
<6>[   10.581708][  T189] pci 0000:02:01.0: supports D1 D2
<6>[   10.581709][  T189] pci 0000:02:01.0: PME# supported from D0 D1 D2 D3hot D3cold
<6>[   10.582040][  T189] pci 0000:02:01.0: Adding to iommu group 19
<6>[   10.582109][  T189] pci 0000:02:02.0: [8086:0b26] type 01 class 0x060400 PCIe Switch Downstream Port
<6>[   10.582149][  T189] pci 0000:02:02.0: PCI bridge to [bus 00]
<6>[   10.582158][  T189] pci 0000:02:02.0:   bridge window [io  0x0000-0x0fff]
<6>[   10.582162][  T189] pci 0000:02:02.0:   bridge window [mem 0x00000000-0x000fffff]
<6>[   10.582178][  T189] pci 0000:02:02.0:   bridge window [mem 0x00000000-0x000fffff 64bit pref]
<6>[   10.582199][  T189] pci 0000:02:02.0: enabling Extended Tags
<6>[   10.582366][  T189] pci 0000:02:02.0: supports D1 D2
<6>[   10.582367][  T189] pci 0000:02:02.0: PME# supported from D0 D1 D2 D3hot D3cold
<6>[   10.582647][  T189] pci 0000:02:02.0: Adding to iommu group 20
<6>[   10.582712][  T189] pci 0000:02:03.0: [8086:0b26] type 01 class 0x060400 PCIe Switch Downstream Port
