[Bug 1875927] Re: add support for phys_port_name attribute in Xenial/16.04LTS
** Changed in: systemd (Ubuntu Xenial) Status: In Progress => Won't Fix ** Changed in: systemd (Ubuntu Xenial) Assignee: Eric Desrochers (slashd) => (unassigned) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1875927 Title: add support for phys_port_name attribute in Xenial/16.04LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1875927/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1875927] Re: add support for phys_port_name attribute in Xenial/16.04LTS
** Description changed: [Impact] In Xenial/16.04LTS, one can't generate network interface name from "phys_port_name" attribute. "phys_port_name" indicates the interface physical port name within the NIC. [Test Case] Check that udev (systemd-udevd) provides the phys_port_name property Tests should be done on kernel versions: v4.15 (HWE) # cat /sys/class/net//phys_port_name yyy Look if interface name contains the 'phys_port_name': $ ip link show 3: ens3nyyy: ... [Regression Potential] * This piece of code is already in place in Bionic (systemd) and late. AFAICT, nothing has been reported since then with regards to this feature. * phys_port_name kernel support has been introduced in v4.1, but none of the current v4.4 Xenial kernel drivers uses it (minus rocker which is a test bed software switch for devel work on switchdev, it has no real function) # Xenial - kernel v4.4 config-4.4.0-142-generic:# CONFIG_NET_SWITCHDEV is not set No drivers uses the phys_port_name method at all + NET_SWITCHDEV is not even turned on. # Xenial HWE - kernel v4.15 config-4.15.0-99-generic:CONFIG_NET_SWITCHDEV=y Meaning if a regression arise, it will be limited to the HWE kernel (v4.15) and to the "Ethernet switch device driver model (switchdev)": mlx5 mlxsw bnxt sfc (solarflar) -- drivers/net/ethernet: -- broadcom/bnxt/bnxt_vfr.c: .ndo_get_phys_port_name = bnxt_vf_rep_get_phys_port_name broadcom/bnxt/bnxt.c: .ndo_get_phys_port_name = bnxt_get_phys_port_name cavium/liquidio/lio_vf_rep.c: .ndo_get_phys_port_name = lio_vf_rep_phys_port_name, mellanox/mlx5/core/en_rep.c: .ndo_get_phys_port_name = mlx5e_rep_get_phys_port_name, mellanox/mlxsw/switchx2.c:.ndo_get_phys_port_name = mlxsw_sx_port_get_phys_port_name, mellanox/mlxsw/spectrum.c:.ndo_get_phys_port_name = mlxsw_sp_port_get_phys_port_name, netronome/nfp/nfp_net_repr.c: .ndo_get_phys_port_name = nfp_port_get_phys_port_name, netronome/nfp/nfp_net_common.c: .ndo_get_phys_port_name = nfp_port_get_phys_port_name, rocker/rocker_main.c: .ndo_get_phys_port_name = rocker_port_get_phys_port_name, sfc/efx.c:.ndo_get_phys_port_name = efx_get_phys_port_name, -- # On other more specific kernels the regression potential can be expanded to virtio-net driver as well. # cloud-init may taint the result as it renames switchdev(s) after systemd at first initialization (even without the phys_port_name support) as follows: (Testing on a sfc card / server deployed by MAAS) syslog:May 20 22:12:43 OBFUSCATED_HOST kernel: [ 36.199674] sfc :08:00.1 ens1f1: renamed from eth1 ## systemd syslog:May 20 22:12:43 OBFUSCATED_HOST kernel: [ 37.128236] sfc :08:00.0 ens1f0: renamed from eth0 ## systemd syslog:May 20 22:12:43 OBFUSCATED_HOST kernel: [ 84.653460] sfc :08:00.0 ens1f0np0: renamed from ens1f0 ## cloud-init syslog:May 20 22:12:43 OBFUSCATED_HOST kernel: [ 84.697177] sfc :08:00.1 ens1f1np1: renamed from ens1f1 ## cloud-init cloud-init.log:2020-05-20 22:04:53,980 - util.py[DEBUG]: Running command ['ip', 'link', 'set', 'ens1f0', 'name', 'ens1f0np0'] with allowed return codes [0] (shell=False, capture=True) cloud-init.log:2020-05-20 22:04:54,016 - util.py[DEBUG]: Running command ['ip', 'link', 'set', 'ens1f1', 'name', 'ens1f1np1'] with allowed return codes [0] (shell=False, capture=True) + systemd: + ... OBFUSCATED_HOST systemd[1]: sys-subsystem-net-devices-ens1f1.device: Dev sys-subsystem-net-devices-ens1f1.device appeared twice with different sysfs paths /sys/devices/pci:00/:00:03.0/:08:00.1/net/ens1f1 and /sys/devices/pci:00/:00:03.0/:08:00.1/net/ens1f1np1 + # 1 concern was raise here by ddstreet: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1875927/comments/1 Here's the result of the test I have performed: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1875927/comments/5 This change indeed rename existing switchdev interfaces to add the 'phys_port_name' (if any) into it. I'm afraid this will be a non- acceptable behaviour change in stable release and won't be SRU'able. More discussion on this topic to come [Other informations] https://github.com/systemd/systemd/commit/4887b656c22af059d4e833de7b56544f24951184 https://github.com/systemd/systemd/pull/4506 [Original Description] It has been brought to my attention that systemd in Xenial/16.04LTS doesn't have support for phys_port_name[0] attribute. The support has been first introduced in systemd version "232" via: https://github.com/systemd/systemd/commit/4887b656c22af059d4e833de7b56544f24951184 https://github.com/systemd/systemd/pull/4506 Bionic and late have the necessary bits ( systemd >232), but not Xenial (229)[1] Support for "phys_port_name" has been first introduced in the kernel
[Bug 1875927] Re: add support for phys_port_name attribute in Xenial/16.04LTS
** Description changed: [Impact] In Xenial/16.04LTS, one can't generate network interface name from "phys_port_name" attribute. "phys_port_name" indicates the interface physical port name within the NIC. [Test Case] Check that udev (systemd-udevd) provides the phys_port_name property Tests should be done on kernel versions: v4.15 (HWE) # cat /sys/class/net//phys_port_name yyy Look if interface name contains the 'phys_port_name': $ ip link show 3: ens3nyyy: ... [Regression Potential] * This piece of code is already in place in Bionic (systemd) and late. AFAICT, nothing has been reported since then with regards to this feature. * phys_port_name kernel support has been introduced in v4.1, but none of the current v4.4 Xenial kernel drivers uses it (minus rocker which is a test bed software switch for devel work on switchdev, it has no real function) # Xenial - kernel v4.4 config-4.4.0-142-generic:# CONFIG_NET_SWITCHDEV is not set No drivers uses the phys_port_name method at all + NET_SWITCHDEV is not even turned on. # Xenial HWE - kernel v4.15 config-4.15.0-99-generic:CONFIG_NET_SWITCHDEV=y Meaning if a regression arise, it will be limited to the HWE kernel (v4.15) and to the "Ethernet switch device driver model (switchdev)": mlx5 mlxsw bnxt sfc (solarflar) -- drivers/net/ethernet: -- broadcom/bnxt/bnxt_vfr.c: .ndo_get_phys_port_name = bnxt_vf_rep_get_phys_port_name broadcom/bnxt/bnxt.c: .ndo_get_phys_port_name = bnxt_get_phys_port_name cavium/liquidio/lio_vf_rep.c: .ndo_get_phys_port_name = lio_vf_rep_phys_port_name, mellanox/mlx5/core/en_rep.c: .ndo_get_phys_port_name = mlx5e_rep_get_phys_port_name, mellanox/mlxsw/switchx2.c:.ndo_get_phys_port_name = mlxsw_sx_port_get_phys_port_name, mellanox/mlxsw/spectrum.c:.ndo_get_phys_port_name = mlxsw_sp_port_get_phys_port_name, netronome/nfp/nfp_net_repr.c: .ndo_get_phys_port_name = nfp_port_get_phys_port_name, netronome/nfp/nfp_net_common.c: .ndo_get_phys_port_name = nfp_port_get_phys_port_name, rocker/rocker_main.c: .ndo_get_phys_port_name = rocker_port_get_phys_port_name, sfc/efx.c:.ndo_get_phys_port_name = efx_get_phys_port_name, -- # On other more specific kernels the regression potential can be expanded to virtio-net driver as well. # cloud-init may taint the result as it renames switchdev(s) after systemd at first initialization (even without the phys_port_name support) as follows: (Testing on a sfc card / server deployed by MAAS) syslog:May 20 22:12:43 OBFUSCATED_HOST kernel: [ 36.199674] sfc :08:00.1 ens1f1: renamed from eth1 ## systemd syslog:May 20 22:12:43 OBFUSCATED_HOST kernel: [ 37.128236] sfc :08:00.0 ens1f0: renamed from eth0 ## systemd syslog:May 20 22:12:43 OBFUSCATED_HOST kernel: [ 84.653460] sfc :08:00.0 ens1f0np0: renamed from ens1f0 ## cloud-init syslog:May 20 22:12:43 OBFUSCATED_HOST kernel: [ 84.697177] sfc :08:00.1 ens1f1np1: renamed from ens1f1 ## cloud-init cloud-init.log:2020-05-20 22:04:53,980 - util.py[DEBUG]: Running command ['ip', 'link', 'set', 'ens1f0', 'name', 'ens1f0np0'] with allowed return codes [0] (shell=False, capture=True) cloud-init.log:2020-05-20 22:04:54,016 - util.py[DEBUG]: Running command ['ip', 'link', 'set', 'ens1f1', 'name', 'ens1f1np1'] with allowed return codes [0] (shell=False, capture=True) - ** - Concern: + # 1 concern was raise here by ddstreet: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1875927/comments/1 - Result: + Here's the result of the test I have performed: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1875927/comments/5 - ** [Other informations] https://github.com/systemd/systemd/commit/4887b656c22af059d4e833de7b56544f24951184 https://github.com/systemd/systemd/pull/4506 [Original Description] It has been brought to my attention that systemd in Xenial/16.04LTS doesn't have support for phys_port_name[0] attribute. The support has been first introduced in systemd version "232" via: https://github.com/systemd/systemd/commit/4887b656c22af059d4e833de7b56544f24951184 https://github.com/systemd/systemd/pull/4506 Bionic and late have the necessary bits ( systemd >232), but not Xenial (229)[1] Support for "phys_port_name" has been first introduced in the kernel with v4.1[2] [0] - https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net - https://www.freedesktop.org/software/systemd/man/systemd.net-naming-scheme.html - https://www.kernel.org/doc/Documentation/networking/switchdev.txt [1] # git systemd/systemd git describe --contains 4887b656c22af059d4e833de7b56544f24951184 v232~15 # rmadison => systemd | 229-4ubuntu21.27 | xenial-updates systemd | 237-3ubuntu10.39 | bionic-updates systemd | 240-6ubuntu5.8 | disco-updates systemd |
[Bug 1875927] Re: add support for phys_port_name attribute in Xenial/16.04LTS
** Description changed: [Impact] In Xenial/16.04LTS, one can't generate network interface name from "phys_port_name" attribute. "phys_port_name" indicates the interface physical port name within the NIC. [Test Case] Check that udev (systemd-udevd) provides the phys_port_name property Tests should be done on kernel versions: v4.15 (HWE) + + # cat /sys/class/net//phys_port_name + yyy + + Look if interface name contains the 'phys_port_name': + + $ ip link show + + 3: ens3nyyy: ... + [Regression Potential] * This piece of code is already in place in Bionic (systemd) and late. AFAICT, nothing has been reported since then with regards to this feature. * phys_port_name kernel support has been introduced in v4.1, but none of the current v4.4 Xenial kernel drivers uses it (minus rocker which is a test bed software switch for devel work on switchdev, it has no real function) # Xenial - kernel v4.4 config-4.4.0-142-generic:# CONFIG_NET_SWITCHDEV is not set No drivers uses the phys_port_name method at all + NET_SWITCHDEV is not even turned on. # Xenial HWE - kernel v4.15 config-4.15.0-99-generic:CONFIG_NET_SWITCHDEV=y Meaning if a regression arise, it will be limited to the HWE kernel (v4.15) and to the "Ethernet switch device driver model (switchdev)": mlx5 mlxsw bnxt sfc (solarflar) -- drivers/net/ethernet: -- broadcom/bnxt/bnxt_vfr.c: .ndo_get_phys_port_name = bnxt_vf_rep_get_phys_port_name broadcom/bnxt/bnxt.c: .ndo_get_phys_port_name = bnxt_get_phys_port_name cavium/liquidio/lio_vf_rep.c: .ndo_get_phys_port_name = lio_vf_rep_phys_port_name, mellanox/mlx5/core/en_rep.c: .ndo_get_phys_port_name = mlx5e_rep_get_phys_port_name, mellanox/mlxsw/switchx2.c:.ndo_get_phys_port_name = mlxsw_sx_port_get_phys_port_name, mellanox/mlxsw/spectrum.c:.ndo_get_phys_port_name = mlxsw_sp_port_get_phys_port_name, netronome/nfp/nfp_net_repr.c: .ndo_get_phys_port_name = nfp_port_get_phys_port_name, netronome/nfp/nfp_net_common.c: .ndo_get_phys_port_name = nfp_port_get_phys_port_name, rocker/rocker_main.c: .ndo_get_phys_port_name = rocker_port_get_phys_port_name, sfc/efx.c:.ndo_get_phys_port_name = efx_get_phys_port_name, -- ** One item I'm currently testing is ddstreet's comment: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1875927/comments/1 ** [Other informations] https://github.com/systemd/systemd/commit/4887b656c22af059d4e833de7b56544f24951184 https://github.com/systemd/systemd/pull/4506 [Original Description] It has been brought to my attention that systemd in Xenial/16.04LTS doesn't have support for phys_port_name[0] attribute. The support has been first introduced in systemd version "232" via: https://github.com/systemd/systemd/commit/4887b656c22af059d4e833de7b56544f24951184 https://github.com/systemd/systemd/pull/4506 Bionic and late have the necessary bits ( systemd >232), but not Xenial (229)[1] Support for "phys_port_name" has been first introduced in the kernel with v4.1[2] [0] - https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net - https://www.freedesktop.org/software/systemd/man/systemd.net-naming-scheme.html - https://www.kernel.org/doc/Documentation/networking/switchdev.txt [1] # git systemd/systemd git describe --contains 4887b656c22af059d4e833de7b56544f24951184 v232~15 # rmadison => systemd | 229-4ubuntu21.27 | xenial-updates systemd | 237-3ubuntu10.39 | bionic-updates systemd | 240-6ubuntu5.8 | disco-updates systemd | 242-7ubuntu3.7 | eoan-updates systemd | 245.4-4ubuntu3 | focal systemd | 245.4-4ubuntu3 | groovy [2] https://github.com/torvalds/linux/commit/db24a9044ee1 $ git describe --contains db24a9044ee1 v4.1-rc1 ** Description changed: [Impact] In Xenial/16.04LTS, one can't generate network interface name from "phys_port_name" attribute. "phys_port_name" indicates the interface physical port name within the NIC. [Test Case] Check that udev (systemd-udevd) provides the phys_port_name property Tests should be done on kernel versions: v4.15 (HWE) # cat /sys/class/net//phys_port_name yyy Look if interface name contains the 'phys_port_name': $ ip link show 3: ens3nyyy: ... [Regression Potential] * This piece of code is already in place in Bionic (systemd) and late. AFAICT, nothing has been reported since then with regards to this feature. * phys_port_name kernel support has been introduced in v4.1, but none of the current v4.4 Xenial kernel drivers uses it (minus rocker which is a test bed software switch for devel work on switchdev, it has no real function) # Xenial - kernel v4.4 config-4.4.0-142-generic:# CONFIG_NET_SWITCHDEV is not set No drivers uses the phys_port_name method at all + NET_SWITCHDEV is not
[Bug 1875927] Re: add support for phys_port_name attribute in Xenial/16.04LTS
** Description changed: [Impact] In Xenial/16.04LTS, one can't generate network interface name from "phys_port_name" attribute. "phys_port_name" indicates the interface physical port name within the NIC. [Test Case] Check that udev (systemd-udevd) provides the phys_port_name property - Tests should be done on both kernel versions: v4.4 and v4.15 + Tests should be done on kernel versions: v4.15 (HWE) [Regression Potential] Risk: Low * This piece of code is already in place in Bionic (systemd) and late. AFAICT, nothing has been reported since then with regards to this feature. - * phys_port_name kernel support has been introduced in v4.1. Xenial - supported kernel are : v4.4 and v4.15 (HWE). + * phys_port_name kernel support has been introduced in v4.1, but none of + the current v4.4 Xenial kernel drivers uses it (minus rocker which is a + test bed software switch for devel work on switchdev, it has no real + function) - * If a regression arise, it will most likely be limited to the "Ethernet - switch device driver model (switchdev)" reported by: rocker, mlxsw, - broadcom, ... + # Xenial - kernel v4.4 + config-4.4.0-142-generic:# CONFIG_NET_SWITCHDEV is not set + + No drivers uses the phys_port_name method at all + NET_SWITCHDEV is not + even turned on. + + # Xenial HWE - kernel v4.15 + config-4.15.0-99-generic:CONFIG_NET_SWITCHDEV=y + + Meaning if a regression arise, it will be limited to the HWE kernel (v4.15) and to the "Ethernet switch device driver model (switchdev)": + mlx5 + mlxsw + bnxt + + -- + drivers/net/ethernet/mellanox/mlx5/core/en_rep.c: .ndo_get_phys_port_name = mlx5e_rep_get_phys_port_name, + drivers/net/ethernet/mellanox/mlxsw/switchx2.c: .ndo_get_phys_port_name = mlxsw_sx_port_get_phys_port_name, + drivers/net/ethernet/mellanox/mlxsw/spectrum.c: .ndo_get_phys_port_name = mlxsw_sp_port_get_phys_port_name, + drivers/net/ethernet/sfc/efx.c: .ndo_get_phys_port_name = efx_get_phys_port_name, + drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c:.ndo_get_phys_port_name = bnxt_vf_rep_get_phys_port_name + drivers/net/ethernet/broadcom/bnxt/bnxt.c:.ndo_get_phys_port_name = bnxt_get_phys_port_name + drivers/net/ethernet/rocker/rocker_main.c:.ndo_get_phys_port_name = rocker_port_get_phys_port_name, + drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c:.ndo_get_phys_port_name = lio_vf_rep_phys_port_name, + drivers/net/ethernet/netronome/nfp/nfp_net_repr.c:.ndo_get_phys_port_name = nfp_port_get_phys_port_name, + drivers/net/ethernet/netronome/nfp/nfp_net_common.c: .ndo_get_phys_port_name = nfp_port_get_phys_port_name, + + -- + + ** + One item I'm currently testing is ddstreet's comment: + https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1875927/comments/1 + ** [Other informations] https://github.com/systemd/systemd/commit/4887b656c22af059d4e833de7b56544f24951184 https://github.com/systemd/systemd/pull/4506 [Original Description] It has been brought to my attention that systemd in Xenial/16.04LTS doesn't have support for phys_port_name[0] attribute. The support has been first introduced in systemd version "232" via: https://github.com/systemd/systemd/commit/4887b656c22af059d4e833de7b56544f24951184 https://github.com/systemd/systemd/pull/4506 Bionic and late have the necessary bits ( systemd >232), but not Xenial (229)[1] Support for "phys_port_name" has been first introduced in the kernel with v4.1[2] [0] - https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net - https://www.freedesktop.org/software/systemd/man/systemd.net-naming-scheme.html - https://www.kernel.org/doc/Documentation/networking/switchdev.txt [1] # git systemd/systemd git describe --contains 4887b656c22af059d4e833de7b56544f24951184 v232~15 # rmadison => systemd | 229-4ubuntu21.27 | xenial-updates systemd | 237-3ubuntu10.39 | bionic-updates systemd | 240-6ubuntu5.8 | disco-updates systemd | 242-7ubuntu3.7 | eoan-updates systemd | 245.4-4ubuntu3 | focal systemd | 245.4-4ubuntu3 | groovy [2] https://github.com/torvalds/linux/commit/db24a9044ee1 $ git describe --contains db24a9044ee1 v4.1-rc1 ** Description changed: [Impact] In Xenial/16.04LTS, one can't generate network interface name from "phys_port_name" attribute. "phys_port_name" indicates the interface physical port name within the NIC. [Test Case] Check that udev (systemd-udevd) provides the phys_port_name property Tests should be done on kernel versions: v4.15 (HWE) [Regression Potential] Risk: Low * This piece of code is already in place in Bionic (systemd) and late. AFAICT, nothing has been reported since then with regards to this feature. * phys_port_name kernel support has been introduced in v4.1, but none of the current v4.4 Xenial kernel drivers uses it (minus rocker which is a test bed
[Bug 1875927] Re: add support for phys_port_name attribute in Xenial/16.04LTS
https://git.centos.org/rpms/systemd/c/83b94d10951d79445f7975bff835a88261c11a4e?branch=83b94d10951d79445f7975bff835a88261c11a4e -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1875927 Title: add support for phys_port_name attribute in Xenial/16.04LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1875927/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1875927] Re: add support for phys_port_name attribute in Xenial/16.04LTS
Centos had to revert the patch in their systemd package via: commit 83b94d10951d79445f7975bff835a88261c11a4e SOURCES/0499-Revert-udev-net_id-add-support-for-phys_port_name-at.patch They workaround (differing from upstream) the regression installing script and udev rule to add phys_port_name for mlxsw and rocker drivers and put them in dracut. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1875927 Title: add support for phys_port_name attribute in Xenial/16.04LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1875927/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1875927] Re: add support for phys_port_name attribute in Xenial/16.04LTS
Right, @ddstreet it's a very good point to validate/verify. Definitely worth looking at that aspect pre-SRU. Bionic and late has the fix since release time ... meaning that patch has never been introduced via SRU yet. - Eric -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1875927 Title: add support for phys_port_name attribute in Xenial/16.04LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1875927/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1875927] Re: add support for phys_port_name attribute in Xenial/16.04LTS
I think this would change the device name for existing devices, right? If so, that doesn't seem appropriate for an SRU, as it could break existing users that expect their device names to be consistent... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1875927 Title: add support for phys_port_name attribute in Xenial/16.04LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1875927/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1875927] Re: add support for phys_port_name attribute in Xenial/16.04LTS
** Description changed: + [Impact] + In Xenial/16.04LTS, one can't generate network interface name from "phys_port_name" attribute. + + "phys_port_name" indicates the interface physical port name within the + NIC. + + [Test Case] + + Check that udev (systemd-udevd) provides the phys_port_name property + Tests should be done on both kernel versions: v4.4 and v4.15 + + [Regression Potential] + + Risk: Low + * This piece of code is already in place in Bionic (systemd) and late. + AFAICT, nothing has been reported since then with regards to this feature. + + * phys_port_name kernel support has been introduced in v4.1. Xenial + supported kernel are : v4.4 and v4.15 (HWE). + + * If a regression arise, it will most likely be limited to the "Ethernet + switch device driver model (switchdev)" reported by: rocker, mlxsw, + broadcom, ... + + [Other informations] + https://github.com/systemd/systemd/commit/4887b656c22af059d4e833de7b56544f24951184 + https://github.com/systemd/systemd/pull/4506 + + [Original Description] + It has been brought to my attention that systemd in Xenial/16.04LTS doesn't have support for phys_port_name[0] attribute. The support has been first introduced in systemd version "232" via: https://github.com/systemd/systemd/commit/4887b656c22af059d4e833de7b56544f24951184 https://github.com/systemd/systemd/pull/4506 Bionic and late have the necessary bits ( systemd >232), but not Xenial (229)[1] Support for "phys_port_name" has been first introduced in the kernel with v4.1[2] [0] - https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net - https://www.freedesktop.org/software/systemd/man/systemd.net-naming-scheme.html - https://www.kernel.org/doc/Documentation/networking/switchdev.txt [1] # git systemd/systemd git describe --contains 4887b656c22af059d4e833de7b56544f24951184 v232~15 # rmadison => systemd | 229-4ubuntu21.27 | xenial-updates systemd | 237-3ubuntu10.39 | bionic-updates systemd | 240-6ubuntu5.8 | disco-updates systemd | 242-7ubuntu3.7 | eoan-updates systemd | 245.4-4ubuntu3 | focal systemd | 245.4-4ubuntu3 | groovy [2] https://github.com/torvalds/linux/commit/db24a9044ee1 $ git describe --contains db24a9044ee1 v4.1-rc1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1875927 Title: add support for phys_port_name attribute in Xenial/16.04LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1875927/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1875927] Re: add support for phys_port_name attribute in Xenial/16.04LTS
** Description changed: It has been brought to my attention that systemd in Xenial/16.04LTS doesn't have support for phys_port_name[0] attribute. The support has been first introduced in systemd version "232" via: https://github.com/systemd/systemd/commit/4887b656c22af059d4e833de7b56544f24951184 https://github.com/systemd/systemd/pull/4506 Bionic and late have the necessary bits ( systemd >232), but not Xenial (229)[1] + + Support for "phys_port_name" has been first introduced in the kernel + with v4.1[2] [0] - https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net - https://www.freedesktop.org/software/systemd/man/systemd.net-naming-scheme.html - https://www.kernel.org/doc/Documentation/networking/switchdev.txt [1] # git systemd/systemd git describe --contains 4887b656c22af059d4e833de7b56544f24951184 v232~15 # rmadison => systemd | 229-4ubuntu21.27 | xenial-updates systemd | 237-3ubuntu10.39 | bionic-updates systemd | 240-6ubuntu5.8 | disco-updates systemd | 242-7ubuntu3.7 | eoan-updates systemd | 245.4-4ubuntu3 | focal systemd | 245.4-4ubuntu3 | groovy + + [2] + https://github.com/torvalds/linux/commit/db24a9044ee1 + + $ git describe --contains db24a9044ee1 + v4.1-rc1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1875927 Title: add support for phys_port_name attribute in Xenial/16.04LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1875927/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
