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Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <7b468f16-f648-4432-aa59-927d37a411a7@lunn.ch> References: <7b468f16-f648-4432-aa59-927d37a411a7@lunn.ch> <3452224.1745518016@warthog.procyon.org.uk> To: Andrew Lunn Cc: dhowells@redhat.com, Jedrzej Jagielski , Przemek Kitszel , Tony Nguyen , Paulo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Is it possible to undo the ixgbe device name change? Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3531592.1745571515.1@warthog.procyon.org.uk> Content-Transfer-Encoding: quoted-printable Date: Fri, 25 Apr 2025 09:58:35 +0100 Message-ID: <3531595.1745571515@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Andrew Lunn wrote: > Are you sure this patch is directly responsible? Looking at the patch I bisected it to that commit. Userspace didn't change. > Notice the context, not the change. The interface is being called > eth%d, which is normal. The kernel will replace the %d with a unique > number. So the kernel will call it eth42 or something. You should see > this in dmesg. Something like this? ... systemd-udevd[2215]: link_config: autonegotiation is unset or enabled,= the speed and duplex are not writable. ... kernel: ixgbe 0000:01:00.0 enp1s0: renamed from eth0 or: ... systemd-udevd[2568]: link_config: autonegotiation is unset or enabled,= the speed and duplex are not writable. ... kernel: ixgbe 0000:01:00.0 enp1s0np0: renamed from eth0 I presume the kernel message saying that the renaming happened is triggere= d by systemd-udevd? David