Awesome, thanks On Wed, Mar 10, 2021 at 4:15 PM Dan Streetman <[email protected]> wrote:
> > @rbalint or @ddstreet, do you plan to also backport this to Xenial? > > sure > > ** Tags removed: verification-needed verification-needed-bionic > verification-needed-focal verification-needed-groovy > ** Tags added: verification-done verification-done-bionic > verification-done-focal verification-done-groovy > > -- > You received this bug notification because you are a member of Canonical > Cloudware, which is subscribed to the bug report. > https://bugs.launchpad.net/bugs/1913763 > > Title: > hyperv: unable to distinguish PTP devices > > Status in systemd package in Ubuntu: > Fix Released > Status in systemd source package in Bionic: > Fix Committed > Status in systemd source package in Focal: > Fix Committed > Status in systemd source package in Groovy: > Fix Committed > > Bug description: > [impact] > > the /dev/ptp0 device for a hyperv instance may not be the correct, > hyperv-provided, ptp device. > > [test case] > > on some hyperv instance types, particularly those that might contain > passthrough network card(s) that also provide ptp, the first ptp > device may not be the correct one to use for ptp, e.g. there may be > multiple ones: > > $ ls /dev/ptp* > /dev/ptp0 /dev/ptp1 > $ cat /sys/class/ptp/ptp0/clock_name > hyperv > $ cat /sys/class/ptp/ptp1/clock_name > mlx5_p2p > > the order can change across boots, so a consistent way of addressing > the hyperv-provided one is needed > > [regression potential] > > any regression would involve failure to properly create the ptp > symlink, or other failure while udev is processing newly detected ptp > device(s) > > [scope] > > this is needed in all releases > > this was fixed upstream with the commit > 32e868f058da8b90add00b2958c516241c532b70 which is not yet included in > any release > > [original description] > > Hyperv provides a PTP device. On system with multiple PTP devices, > services like Chrony don't have a way to know which one is which. > > We would like to have a udev rule to create a symlink to the hyperv > clock. This way, services could be configured to always use this clock > no matter if it is ptp0, ptp1, etc.. > > For example: > > ``` > SUBSYSTEM=="ptp", ATTR{clock_name}=="hyperv", SYMLINK += "ptp_hyperv" > ``` > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1913763/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1913763 Title: hyperv: unable to distinguish PTP devices To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1913763/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
