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Maniphest T5818

interface name mixup at boot (same PCI address)
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Description

I have a device with 2 SFP+ interfaces sharing the same PCI address.
At boot time it is unclear which one gets initialized first and thus they may end up swapping their names at every reboot.

[   24.691101] mlx4_core 0000:04:00.0 eth3: renamed from e5
[   24.696799] mlx4_core 0000:04:00.0 eth4: renamed from e6

Sometimes eth3 and eth4 may come up with names inverted, thus messing up the configuration.
Problem witnessed on 1.4.

There should be some way to firmly identify them and be able to set a static name.

Details

Difficulty level
Unknown (require assessment)
Version
1.4-rolling-202311081035
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Unspecified (possibly destroys the router)
Issue type
Bug (incorrect behavior)

Event Timeline

ordex created this task.Dec 12 2023, 2:51 PM
Apachez added a subscriber: Apachez.Dec 12 2023, 3:08 PM

"hw-id" should define which physical interface is mapped to which ethX VyOS interface.

pasik added a subscriber: pasik.Dec 12 2023, 3:27 PM
Viacheslav triaged this task as Normal priority.Jan 20 2024, 2:00 PM
hsw0 added a subscriber: hsw0.Feb 17 2024, 12:32 PM