Comment 80 for bug 1860284
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#80 |
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0f7b58d
(Get the code!)
Created attachment 303237
experimental patch
That patch (d341838d776a ("x86/PCI: Disable E820 reserved region clipping via quirks")) relies on quirks that match DMI Vendor, Product Version, Product Name, and Board Name. This isn't an ideal solution because there are likely other systems we don't know about that need the a similar fix.
The patch I'm attaching here is an experimental idea to work around this issue without the maintenance burden of the quirks.
If anybody would be willing to test this patch, I would be very grateful. To test it, either start with a v5.18 or earlier kernel, or on a v5.19 or newer kernel, revert d341838d776a (or just remove your system's ID from the list in pci_crs_quirks[]). Then apply this patch, boot with the "efi=debug" parameter, connect a dock, see whether it works, and attach the dmesg log.