device: Turris Omnia (armv7l) kernel log: mvebu-pcie soc:pcie: host bridge /soc/pcie ranges: mvebu-pcie soc:pcie: Parsing ranges property... mvebu-pcie soc:pcie: MEM 0x00f1080000..0x00f1081fff -> 0x0000080000 mvebu-pcie soc:pcie: MEM 0x00f1040000..0x00f1041fff -> 0x0000040000 mvebu-pcie soc:pcie: MEM 0x00f1044000..0x00f1045fff -> 0x0000044000 mvebu-pcie soc:pcie: MEM 0x00f1048000..0x00f1049fff -> 0x0000048000 mvebu-pcie soc:pcie: MEM 0xffffffffffffffff..0x00fffffffe -> 0x0100000000 mvebu-pcie soc:pcie: IO 0xffffffffffffffff..0x00fffffffe -> 0x0100000000 mvebu-pcie soc:pcie: MEM 0xffffffffffffffff..0x00fffffffe -> 0x0200000000 mvebu-pcie soc:pcie: IO 0xffffffffffffffff..0x00fffffffe -> 0x0200000000 mvebu-pcie soc:pcie: MEM 0xffffffffffffffff..0x00fffffffe -> 0x0300000000 mvebu-pcie soc:pcie: IO 0xffffffffffffffff..0x00fffffffe -> 0x0300000000 mvebu-pcie soc:pcie: MEM 0xffffffffffffffff..0x00fffffffe -> 0x0400000000 mvebu-pcie soc:pcie: IO 0xffffffffffffffff..0x00fffffffe -> 0x0400000000 mvebu-pcie soc:pcie: resource collision: [mem 0xf1080000-0xf1081fff] conflicts with pcie [mem 0xf1080000-0xf1081fff] mvebu-pcie: probe of soc:pcie failed with error -16 As a result PCIe devices, e.g. WLan cards, are not working.
Created attachment 293051 [details] accumulated kernel logs for 5.4.72 and 5.8.16 This appears to be some regression in between the 5.8 and 5.9 branch - attached accumulated kernel logs for 5.4.72 and 5.8.16.
The cause of the issue appears to be commit https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.9.y&id=49e427e6bdd19aa41c725819f53f381eaea1bf06
patch in the works https://patchwork.ozlabs.org/project/linux-pci/patch/20201023145252.2691779-1-robh@kernel.org/ is fixing the issue. Run tested with kernel 5.9.1 and next-20201023
patched/remedied with next-20201105 run tested ok