ifupdown cannot create VLAN subinterface on an Infiniband-capable port running in Ethernet mode
Bug #1806153 reported by
Mike Joseph
This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| ifupdown (Ubuntu) |
New
|
Undecided
|
Unassigned | ||
Bug Description
A bug exists in ifupdown which incorrectly identifies Infiniband-capable interfaces running in Ethernet mode as Infiniband interfaces. This causes the creation of VLANs to fail with an error such as:
/bin/sh: 1: cannot create /sys/class/
The defect appears to be fixed upstream in Debian:
https:/
However, it doesn't look like Ubuntu 18.04 includes the fix, as the version of ifupdown is 0.8.17ubuntu1.1, while upstream fixed it 0.8.27. By shipping 18.04 without this fix, all users of such NICs (such as Mellanox ConnectX-3 series) are unable to create VLANs with ifupdown. Therefore, I request that this fix be implemented as a bugfix in 18.04.
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