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-[0000:00]-+-00.0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse Root Complex
+-00.2 Advanced Micro Devices, Inc. [AMD] Starship/Matisse IOMMU
+-01.0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
+-01.2-[20-2e]----00.0-[21-2e]--+-01.0-[23]----00.0 Seagate Technology PLC FireCuda 510 SSD
| +-03.0-[25-28]----00.0-[26-28]--+-03.0-[27]----00.0 ASMedia Technology Inc. ASM1042A USB 3.0 Host Controller
| | \-07.0-[28]----00.0 ASMedia Technology Inc. ASM1062 Serial ATA Controller
| +-04.0-[29]----00.0 Realtek Semiconductor Co., Ltd. Device 2600
| +-05.0-[2a]----00.0 Realtek Semiconductor Co., Ltd. Killer E3000 2.5GbE Controller
| +-06.0-[2b]----00.0 Intel Corporation Wi-Fi 6 AX200
| +-08.0-[2c]--+-00.0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse Reserved SPP
| | +-00.1 Advanced Micro Devices, Inc. [AMD] Matisse USB 3.0 Host Controller
| | \-00.3 Advanced Micro Devices, Inc. [AMD] Matisse USB 3.0 Host Controller
| +-09.0-[2d]----00.0 Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode]
| \-0a.0-[2e]----00.0 Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode]
+-02.0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
+-03.0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
+-03.1-[2f-31]----00.0-[30-31]----00.0-[31]--+-00.0 Advanced Micro Devices, Inc. [AMD/ATI] Vega 20 [Radeon VII]
| \-00.1 Advanced Micro Devices, Inc. [AMD/ATI] Vega 20 HDMI Audio [Radeon VII]
+-03.3-[32-37]----00.0-[33-37]--+-00.0-[34]----00.0 Intel Corporation Thunderbolt 4 NHI [Maple Ridge 4C 2020]
| +-01.0-[35]----00.0-[00]--
| +-02.0-[36]----00.0 Intel Corporation Thunderbolt 4 USB Controller [Maple Ridge 4C 2020]
| \-03.0-[37]--
+-04.0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
+-05.0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
+-07.0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
+-07.1-[38]----00.0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Function
+-08.0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
+-08.1-[39]--+-00.0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse Reserved SPP
| +-00.3 Advanced Micro Devices, Inc. [AMD] Matisse USB 3.0 Host Controller
| \-00.4 Advanced Micro Devices, Inc. [AMD] Starship/Matisse HD Audio Controller
+-14.0 Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller
+-14.3 Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge
+-18.0 Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 0
+-18.1 Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 1
+-18.2 Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 2
+-18.3 Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 3
+-18.4 Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 4
+-18.5 Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 5
+-18.6 Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 6
\-18.7 Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 7
/sys/bus/thunderbolt/devices
|-- 0-0 -> ../../../devices/pci0000:00/0000:00:03.3/0000:32:00.0/0000:33:00.0/0000:34:00.0/domain0/0-0
`-- domain0 -> ../../../devices/pci0000:00/0000:00:03.3/0000:32:00.0/0000:33:00.0/0000:34:00.0/domain0
Plugging in a thunderbolt 3 eGPU
[ 2368.255643] pcieport 0000:33:01.0: pciehp: Slot(1): Card present
[ 2368.405225] pci 0000:35:00.0: [8086:1578] type 01 class 0x060400
[ 2368.405333] pci 0000:35:00.0: enabling Extended Tags
[ 2368.405558] pci 0000:35:00.0: supports D1 D2
[ 2368.405558] pci 0000:35:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 2368.405753] pci 0000:35:00.0: 8.000 Gb/s available PCIe bandwidth, limited by 2.5 GT/s PCIe x4 link at 0000:33:01.0 (capable of 31.504 Gb/s with 8.0 GT/s PCIe x4 link)
[ 2368.405827] pci 0000:35:00.0: Adding to iommu group 45
[ 2368.406000] pcieport 0000:33:01.0: ASPM: current common clock configuration is inconsistent, reconfiguring
[ 2368.414991] pci 0000:35:00.0: No bus number available for hot-added bridge
[ 2368.414997] pcieport 0000:33:01.0: bridge window [mem 0x00100000-0x000fffff 64bit pref] to [bus 35] add_size 200000 add_align 100000
[ 2368.415000] pcieport 0000:33:01.0: bridge window [mem 0x00100000-0x000fffff] to [bus 35] add_size 200000 add_align 100000
[ 2368.415005] pcieport 0000:33:01.0: BAR 14: no space for [mem size 0x00200000]
[ 2368.415006] pcieport 0000:33:01.0: BAR 14: failed to assign [mem size 0x00200000]
[ 2368.415009] pcieport 0000:33:01.0: BAR 15: no space for [mem size 0x00200000 64bit pref]
[ 2368.415009] pcieport 0000:33:01.0: BAR 15: failed to assign [mem size 0x00200000 64bit pref]
[ 2368.415011] pcieport 0000:33:01.0: BAR 14: no space for [mem size 0x00200000]
[ 2368.415011] pcieport 0000:33:01.0: BAR 14: failed to assign [mem size 0x00200000]
[ 2368.415013] pcieport 0000:33:01.0: BAR 15: no space for [mem size 0x00200000 64bit pref]
[ 2368.415013] pcieport 0000:33:01.0: BAR 15: failed to assign [mem size 0x00200000 64bit pref]
[ 2368.415014] pcieport 0000:33:01.0: PCI bridge to [bus 35]
[ 2368.415017] pcieport 0000:33:01.0: bridge window [io 0x1000-0x1fff]
Plugging in a display
[ 2087.388543] usb 3-6: new high-speed USB device number 5 using xhci_hcd
[ 2087.531719] usb 3-6: New USB device found, idVendor=05e3, idProduct=0608, bcdDevice=85.36
[ 2087.531724] usb 3-6: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[ 2087.531726] usb 3-6: Product: USB2.0 Hub
[ 2087.571674] hub 3-6:1.0: USB hub found
[ 2087.572199] hub 3-6:1.0: 4 ports detected
[ 2087.858554] usb 3-6.4: new full-speed USB device number 6 using xhci_hcd
[ 2087.974737] usb 3-6.4: New USB device found, idVendor=1d5c, idProduct=7102, bcdDevice= 1.00
[ 2087.974743] usb 3-6.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 2087.974744] usb 3-6.4: Product: Generic Billboard Device
[ 2087.974745] usb 3-6.4: Manufacturer: Fresco Logic, Inc
Plugging in a CalDigit Th3 Plus
[ 2739.717461] pcieport 0000:33:01.0: pciehp: Slot(1): Card present
[ 2739.865163] pci 0000:35:00.0: [8086:15d3] type 01 class 0x060400
[ 2739.865274] pci 0000:35:00.0: enabling Extended Tags
[ 2739.865500] pci 0000:35:00.0: supports D1 D2
[ 2739.865501] pci 0000:35:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 2739.865695] pci 0000:35:00.0: 8.000 Gb/s available PCIe bandwidth, limited by 2.5 GT/s PCIe x4 link at 0000:33:01.0 (capable of 31.504 Gb/s with 8.0 GT/s PCIe x4 link)
[ 2739.865770] pci 0000:35:00.0: Adding to iommu group 45
[ 2739.865940] pcieport 0000:33:01.0: ASPM: current common clock configuration is inconsistent, reconfiguring
[ 2739.875121] pci 0000:35:00.0: No bus number available for hot-added bridge
[ 2739.875127] pcieport 0000:33:01.0: bridge window [mem 0x00100000-0x000fffff 64bit pref] to [bus 35] add_size 200000 add_align 100000
[ 2739.875131] pcieport 0000:33:01.0: bridge window [mem 0x00100000-0x000fffff] to [bus 35] add_size 200000 add_align 100000
[ 2739.875137] pcieport 0000:33:01.0: BAR 14: no space for [mem size 0x00200000]
[ 2739.875138] pcieport 0000:33:01.0: BAR 14: failed to assign [mem size 0x00200000]
[ 2739.875140] pcieport 0000:33:01.0: BAR 15: no space for [mem size 0x00200000 64bit pref]
[ 2739.875141] pcieport 0000:33:01.0: BAR 15: failed to assign [mem size 0x00200000 64bit pref]
[ 2739.875143] pcieport 0000:33:01.0: BAR 14: no space for [mem size 0x00200000]
[ 2739.875144] pcieport 0000:33:01.0: BAR 14: failed to assign [mem size 0x00200000]
[ 2739.875145] pcieport 0000:33:01.0: BAR 15: no space for [mem size 0x00200000 64bit pref]
[ 2739.875146] pcieport 0000:33:01.0: BAR 15: failed to assign [mem size 0x00200000 64bit pref]
[ 2739.875147] pcieport 0000:33:01.0: PCI bridge to [bus 35]
[ 2739.875150] pcieport 0000:33:01.0: bridge window [io 0x1000-0x1fff]
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