Bug#1108860: linux-image-6.1.0-34-amd64: Wireguard fragmentation fails with VXLAN since kernel 6.1.0-34, causing network timeouts

From	Salvatore Bonaccorso <carnil@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1108860: linux-image-6.1.0-34-amd64: Wireguard fragmentation fails with VXLAN since kernel 6.1.0-34, causing network timeouts
Date	2025-07-06 21:10 +0200
Message-ID	<L5CUp-fHLo-3@gated-at.bofh.it> (permalink)
References	<L5xrH-fElJ-1@gated-at.bofh.it> <L5xL3-fEsv-3@gated-at.bofh.it> <L5CUp-fHLo-5@gated-at.bofh.it> <L5xrH-fElJ-1@gated-at.bofh.it> <L5CUp-fHLo-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

Show all headers | View raw

Hi Charles,

On Sun, Jul 06, 2025 at 07:43:35PM +0200, rough.rock3059@datachamp.fr wrote:
> Hi,
> 
> Thank you for the quick reply.
> 
> We tried kernel versions 6.12.35-1 from unstable and 6.15.4-1 from
> experimental and the issue still appears on both versions.

Ack, thanks for confirming that, I just updated the bug metadata to
reflect that.

> We are currently bisecting the changes to identify the commit. This
> will take several days as the server is used in production and we
> need to minimize downtime during working hours. I will get back to
> this issue as soon as the commit is identified.

Yes that is fully understandable. Would be ideal if that can be
reproduced under lab conditions, but then this takes just the time it
needs. 

Ping us back once you have identified the breaking commit.

Thanks for your debugging.

Regards,
Salvatore

Back to linux.debian.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

Bug#1108860: linux-image-6.1.0-34-amd64: Wireguard fragmentation fails with VXLAN since kernel 6.1.0-34, causing network timeouts Salvatore Bonaccorso <carnil@debian.org> - 2025-07-06 21:10 +0200
  Bug#1108860: linux-image-6.1.0-34-amd64: Wireguard fragmentation fails with VXLAN since kernel 6.1.0-34, causing network timeouts Salvatore Bonaccorso <carnil@debian.org> - 2025-07-10 21:00 +0200
    Bug#1108860: linux-image-6.1.0-34-amd64: Wireguard fragmentation fails with VXLAN since kernel 6.1.0-34, causing network timeouts Salvatore Bonaccorso <carnil@debian.org> - 2025-07-14 21:40 +0200

csiph-web