On Tue, 16 Jun 2026 22:32:31 +0200 Lars Engels <[email protected]> wrote:
> On Mon, Jun 15, 2026 at 08:40:19PM -0700, Enji Cooper (yaneurabeya) wrote: > > > > > On Jun 14, 2026, at 11:19 PM, Chris Torek <[email protected]> wrote: > > > > > > Noticed that there's some new thunderbolt code. I get this during boot: > > > > > > pci3: <PCI bus> on pcib3 > > > nhi0: <Generic USB4 NHI> at device 0.0 on pci3 > > > nhi0: Cannot find Upstream Facing Port > > > nhi0: tb_router_attach_root() error. The driver should be loaded at boot > > > > > > If it helps any, here's some "pciconf -lv" output snippets: > > > > > > pcib2@pci0:1:0:0: class=0x060400 rev=0x02 hdr=0x01 vendor=0x8086 > > > device=0x > > > 1136 subvendor=0x8086 subdevice=0x0000 > > > vendor = 'Intel Corporation' > > > device = 'Thunderbolt 4 Bridge [Maple Ridge 4C 2020]' > > > class = bridge > > > subclass = PCI-PCI > > > pcib3@pci0:2:0:0: class=0x060400 rev=0x02 hdr=0x01 vendor=0x8086 > > > device=0x > > > 1136 subvendor=0x8086 subdevice=0x0000 > > > vendor = 'Intel Corporation' > > > device = 'Thunderbolt 4 Bridge [Maple Ridge 4C 2020]' > > > class = bridge > > > subclass = PCI-PCI > > > pcib4@pci0:2:1:0: class=0x060400 rev=0x02 hdr=0x01 vendor=0x8086 > > > device=0x > > > 1136 subvendor=0x8086 subdevice=0x0000 > > > vendor = 'Intel Corporation' > > > device = 'Thunderbolt 4 Bridge [Maple Ridge 4C 2020]' > > > class = bridge > > > subclass = PCI-PCI > > > > > > Can include more if needed. System works fine without whatever it's > > > trying to do (of course, since it wasn't even detected before :-) ) > > > > Hi Chris, > > I lit up the code in GENERIC in 886164895f — so that’s my fault :) > > (any info about the thunderbolt devices would be appreciated!). obiwac@ > > asked that I back it out, so I’ll take care of that now since it’s on my > > mind. > > Thanks! > > -Enji > > > > PS The thunderbolt(4) device implementation is incomplete: it was based on > > work done by hselasky@ before he passed away back in 2023. I have a TODO > > item to look at trying and get it working (enough) to have functional > > Thunderbolt/USB4 stack for storage purposes, but it’s way down my TODO > > list. tl;dr: I’m trying to get a partially functional Mac x86 port before > > Apple nukes Intel support from macOS. > > > I am seeing the same error message on AMD hardware. > > # pciconf -lv|rg -A4 nhi > nhi0@pci0:195:0:5: class=0x0c0340 rev=0x00 hdr=0x00 vendor=0x1022 > device=0x1668 subvendor=0xf111 subdevice=0x0006 > vendor = 'Advanced Micro Devices, Inc. [AMD]' > device = 'Pink Sardine USB4/Thunderbolt NHI controller' > class = serial bus > subclass = USB > nhi1@pci0:195:0:6: class=0x0c0340 rev=0x00 hdr=0x00 vendor=0x1022 > device=0x1669 subvendor=0xf111 subdevice=0x0006 > vendor = 'Advanced Micro Devices, Inc. [AMD]' > device = 'Pink Sardine USB4/Thunderbolt NHI controller' > class = serial bus > subclass = USB For me (on MinisForum MS-01), I see below in last dmesg.today: (snip) nhi0: <Generic USB4 NHI> mem 0x414e440000-0x414e47ffff,0x414e4ac000-0x414e4acfff at device 13.2 on pci0 nhi0: Cannot find Upstream Facing Port nhi0: tb_router_attach_root() error. The driver should be loaded at boot device_attach: nhi0 attach returned 60 nhi0: <Generic USB4 NHI> mem 0x414e400000-0x414e43ffff,0x414e4ab000-0x414e4abfff at device 13.3 on pci0 nhi0: Cannot find Upstream Facing Port nhi0: tb_router_attach_root() error. The driver should be loaded at boot device_attach: nhi0 attach returned 60 (snip) nhi0: <Generic USB4 NHI> mem 0x414e440000-0x414e47ffff,0x414e4ac000-0x414e4acfff at device 13.2 on pci0 nhi0: Cannot find Upstream Facing Port nhi0: tb_router_attach_root() error. The driver should be loaded at boot device_attach: nhi0 attach returned 60 nhi0: <Generic USB4 NHI> mem 0x414e400000-0x414e43ffff,0x414e4ab000-0x414e4abfff at device 13.3 on pci0 nhi0: Cannot find Upstream Facing Port nhi0: tb_router_attach_root() error. The driver should be loaded at boot device_attach: nhi0 attach returned 60 (snip) nhi0: <Generic USB4 NHI> mem 0x414e440000-0x414e47ffff,0x414e4ac000-0x414e4acfff at device 13.2 on pci0 nhi0: Cannot find Upstream Facing Port nhi0: tb_router_attach_root() error. The driver should be loaded at boot device_attach: nhi0 attach returned 60 nhi0: <Generic USB4 NHI> mem 0x414e400000-0x414e43ffff,0x414e4ab000-0x414e4abfff at device 13.3 on pci0 nhi0: Cannot find Upstream Facing Port nhi0: tb_router_attach_root() error. The driver should be loaded at boot device_attach: nhi0 attach returned 60 (snip to end of file) And related `pciconf -lv` output on stable/15 (sorry, cannot switch to main for now, but on exactly same hardware on different SSD): (snip) pcib4@pci0:0:7:0: class=0x060400 rev=0x02 hdr=0x01 vendor=0x8086 device=0x466e subvendor=0x0000 subdevice=0x0000 vendor = 'Intel Corporation' device = 'Alder Lake-P Thunderbolt 4 PCI Express Root Port' class = bridge subclass = PCI-PCI pcib5@pci0:0:7:2: class=0x060400 rev=0x02 hdr=0x01 vendor=0x8086 device=0x462f subvendor=0x0000 subdevice=0x0000 vendor = 'Intel Corporation' device = 'Alder Lake-P Thunderbolt 4 PCI Express Root Port' class = bridge subclass = PCI-PCI xhci0@pci0:0:13:0: class=0x0c0330 rev=0x02 hdr=0x00 vendor=0x8086 device=0x461e subvendor=0x0000 subdevice=0x0000 vendor = 'Intel Corporation' device = 'Alder Lake-P Thunderbolt 4 USB Controller' class = serial bus subclass = USB none0@pci0:0:13:2: class=0x0c0340 rev=0x02 hdr=0x00 vendor=0x8086 device=0x463e subvendor=0x2222 subdevice=0x1111 vendor = 'Intel Corporation' device = 'Alder Lake-P Thunderbolt 4 NHI' class = serial bus subclass = USB none1@pci0:0:13:3: class=0x0c0340 rev=0x02 hdr=0x00 vendor=0x8086 device=0x466d subvendor=0x2222 subdevice=0x1111 vendor = 'Intel Corporation' device = 'Alder Lake-P Thunderbolt 4 NHI' class = serial bus subclass = USB (snip to the end) I'll obtain the output once I could switch to main and report again. Regards. -- Tomoaki AOKI <[email protected]>
