https://bugs.freedesktop.org/show_bug.cgi?id=108521

--- Comment #8 from Alex Deucher <alexdeucher@gmail.com> ---
There does not seem to be enough MMIO space for the BARs on the thunderbolt
bridges:
[    0.436946] pci 0000:04:00.0: BAR 13: no space for [io  size 0x4000]
[    0.436947] pci 0000:04:00.0: BAR 13: failed to assign [io  size 0x4000]
[    0.436949] pci 0000:04:00.0: BAR 13: assigned [io  0xc000-0xcfff]
[    0.436950] pci 0000:04:00.0: BAR 13: [io  0xc000-0xcfff] (failed to expand
by 0x3000)
[    0.436951] pci 0000:04:00.0: failed to add 3000 res[13]=[io  0xc000-0xcfff]
[    0.436955] pci 0000:05:02.0: BAR 15: no space for [mem size 0x00200000
64bit pref]
[    0.436956] pci 0000:05:02.0: BAR 15: failed to assign [mem size 0x00200000
64bit pref]
[    0.436957] pci 0000:05:01.0: BAR 13: no space for [io  size 0x2000]
[    0.436958] pci 0000:05:01.0: BAR 13: failed to assign [io  size 0x2000]
[    0.436959] pci 0000:05:02.0: BAR 13: assigned [io  0xc000-0xcfff]
[    0.436960] pci 0000:05:04.0: BAR 13: no space for [io  size 0x1000]
[    0.436961] pci 0000:05:04.0: BAR 13: failed to assign [io  size 0x1000]
[    0.436963] pci 0000:05:01.0: BAR 13: assigned [io  0xc000-0xcfff]
[    0.436964] pci 0000:05:04.0: BAR 13: no space for [io  size 0x1000]
[    0.436965] pci 0000:05:04.0: BAR 13: failed to assign [io  size 0x1000]
[    0.436967] pci 0000:05:02.0: BAR 15: no space for [mem size 0x00200000
64bit pref]
[    0.436968] pci 0000:05:02.0: BAR 15: failed to assign [mem size 0x00200000
64bit pref]
[    0.436969] pci 0000:05:02.0: BAR 13: no space for [io  size 0x1000]
[    0.436970] pci 0000:05:02.0: BAR 13: failed to assign [io  size 0x1000]
[    0.436971] pci 0000:05:01.0: BAR 13: [io  0xc000-0xcfff] (failed to expand
by 0x1000)
[    0.436972] pci 0000:05:01.0: failed to add 1000 res[13]=[io  0xc000-0xcfff]
I don't think that should be an issue for the devices behind it, but perhaps it
is?

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