FS#70185 - [linux-lts] from linux-lts-5.10.26-1 to linux-lts 5.10.25-1 breaks bonding

Attached to Project: Arch Linux
Opened by James (thx1138) - Saturday, 27 March 2021, 16:56 GMT
Last edited by Andreas Radke (AndyRTR) - Thursday, 22 April 2021, 08:45 GMT
Task Type Bug Report
Category Upstream Bugs
Status Closed
Assigned To Andreas Radke (AndyRTR)
Architecture x86_64
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 2
Private No

Details

Upgrade from linux-lts-5.10.25-1 to linux-lts 5.10.26-1 breaks bonding.

This is on a wireless bonding setup with fallback to wired ethernet. Everything with the interfaces looks fine, except, for instance, ping returns the error message "ping: sendmsg: Invalid argument". Of course, networking becomes unusable. Removing the bonding interface, and adding an IP address directly to either wired or wireless interface, networking works normally.

This is not to do with the linux-firmware package, where downgrading linux-firmware makes no difference.

Downgrading the kernel resolves the problem, but I don't see any bonding commits between linux-lts-5.10.25 and linux-lts 5.10.26.

Note sent upstream.
This task depends upon

Closed by  Andreas Radke (AndyRTR)
Thursday, 22 April 2021, 08:45 GMT
Reason for closing:  Fixed
Additional comments about closing:  Fixed: linux-lts 5.10.27-1
Comment by loqs (loqs) - Saturday, 27 March 2021, 17:18 GMT
See 9392b8219b62b0536df25c9de82b33f8a00881ef [1] [2].
Edit:
Upstream report [3]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.26
[2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9392b8219b62b0536df25c9de82b33f8a00881ef
[3] https://lore.kernel.org/netdev/69e1d825-db19-3d05-5406-b1c2774528f7%40nurealm.net/
Comment by James (thx1138) - Saturday, 27 March 2021, 18:26 GMT
Thanks. I was thinking that that patch wasn't applied until after 5.10.26 was released. But it looks like you're right. It *was* included.
Comment by loqs (loqs) - Saturday, 27 March 2021, 22:18 GMT
Commit has already been reverted in netdev [1][2] should be reverted in mainline with the next netdev pull.
Edit:
Was also flagged as broken during the 5.11.8-rc1 review [3].
Edit2:
Revert is queued for 5.10.27 [4].

[1] https://lore.kernel.org/netdev/20210312.121642.657598616674920805.davem%40davemloft.net/
[2] https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit?id=080bfa1e6d928a5d1f185cc44e5f3c251df06df5
[3] https://lore.kernel.org/stable/alpine.LRH.2.00.2103191511500.19651%40gjva.wvxbf.pm/
[4] https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/diff/queue-5.10/revert-net-bonding-fix-error-return-code-of-bond_neigh_init.patch?id=f2363d7fb1aa2c04a135571b26597a236db76b87

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