Bug 209729 - mvebu-pcie soc:pcie: resource collision
Summary: mvebu-pcie soc:pcie: resource collision
Alias: None
Product: Drivers
Classification: Unclassified
Component: PCI (show other bugs)
Hardware: ARM Linux
: P1 high
Assignee: drivers_pci@kernel-bugs.osdl.org
URL: https://git.kernel.org/pub/scm/linux/...
Depends on:
Reported: 2020-10-18 12:59 UTC by vtolkm
Modified: 2020-11-05 13:04 UTC (History)
1 user (show)

See Also:
Kernel Version: 5.9.1
Regression: Yes
Bisected commit-id:

accumulated kernel logs for 5.4.72 and 5.8.16 (6.68 KB, text/plain)
2020-10-18 20:17 UTC, vtolkm

Description vtolkm 2020-10-18 12:59:30 UTC
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.
Comment 1 vtolkm 2020-10-18 20:17:33 UTC
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.
Comment 3 vtolkm 2020-10-24 10:53:32 UTC
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
Comment 4 vtolkm 2020-11-05 13:04:17 UTC
patched/remedied with next-20201105

run tested ok

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