This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-focal ** Tags added: verification-needed-xenial -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1891224 Title: [Hyper-V] VSS and File Copy daemons intermittently fails to start Status in linux package in Ubuntu: In Progress Status in systemd package in Ubuntu: Invalid Status in linux source package in Xenial: Fix Committed Status in systemd source package in Xenial: Invalid Status in linux source package in Bionic: Fix Committed Status in systemd source package in Bionic: Invalid Status in linux source package in Focal: Fix Committed Status in systemd source package in Focal: Invalid Status in linux source package in Groovy: In Progress Status in systemd source package in Groovy: Invalid Bug description: [Impact] We have most reliably reproduced this on a Standard_B1s in Azure in the North Europe region (>80% of the time). Tests in other regions/VM types do not show this failure as often (<1%). We have reproduced this in Xenial, Bionic, Focal, and Groovy. We saw an increase of test failures around a month ago. From the journal : Aug 11 09:55:28 ubuntu systemd[1]: sys-devices-virtual-misc-vmbus\x21hv_vss.device: Job sys-devices-virtual-misc-vmbus\x21hv_vss.device/start tim> Aug 11 09:55:28 ubuntu systemd[1]: Timed out waiting for device sys-devices-virtual-misc-vmbus\x21hv_vss.device. Aug 11 09:55:28 ubuntu systemd[1]: Dependency failed for Hyper-V VSS Protocol Daemon. Aug 11 09:55:28 ubuntu systemd[1]: hv-vss-daemon.service: Job hv-vss-daemon.service/start failed with result 'dependency'. Aug 11 09:55:28 ubuntu systemd[1]: sys-devices-virtual-misc-vmbus\x21hv_vss.device: Job sys-devices-virtual-misc-vmbus\x21hv_vss.device/start fai> Aug 11 09:55:28 ubuntu systemd[1]: sys-devices-virtual-misc-vmbus\x21hv_fcopy.device: Job sys-devices-virtual-misc-vmbus\x21hv_fcopy.device/start> Aug 11 09:55:28 ubuntu systemd[1]: Timed out waiting for device sys-devices-virtual-misc-vmbus\x21hv_fcopy.device. Aug 11 09:55:28 ubuntu systemd[1]: Dependency failed for Hyper-V File Copy Protocol Daemon. We've seen problems in the past with KVP daemons that looked very similar : https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1820063 [Test Case] There two main scenarios that need to be tested: 1. Azure instances: - Just start an azure instance using our Ubuntu images and check the the status of the hv-vss-daemon and hv-fcopy-daemon services using systemctl. - If the issue is solved they shouldn't be listed as failed. 2. Local Hyper-V VM: - Create a local Hyper-V instance and enable the two systemd services if necessary (hv-vss-daemon and hv-fcopy-daemon) and reboot. - You can change the integration services that are enable to the guest. 1. With desktop integration and the backup feature disabled, the hv-fcopy-daemon and the hv-vss-daemon service, respectively should not be listed as failed. 2. With the same features enabled the services should start without errors. [Regression Potential] The major risk with a potential regression is that those systemd service units are shipped by a package produced by our generic kernels and not the linux-azure kernel. So in case of a regression we might need to re-spin the generic kernels. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891224/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
