[Bug 1779640] Re: [Hyper-V] KVP daemon crashes at startup

The task "linux (Ubuntu)" has expired because it has had no new comments or updates for more than three years. If this issue is still present in an Ubuntu LTS kernel still under active support, please reopen the bug and provide updated details. If this issue was reported against an Ubuntu kernel no longer under active support but the issue still exists in a currently supported Ubuntu kernel, please open a new bug against that kernel version and provide the updated details, with a reference link to the original bug. This action was performed by an automated process maintained by the Ubuntu Kernel Team. ** Tags added: kernel-autoclosed kernel-autoclosed-expired ** Changed in: linux (Ubuntu) Status: Confirmed => Expired -- You received this bug notification because you are subscribed to linux in Ubuntu. Matching subscriptions: Bgg, Bmail, Nb https://bugs.launchpad.net/bugs/1779640 Title: [Hyper-V] KVP daemon crashes at startup Status in linux package in Ubuntu: Expired Status in linux source package in Bionic: Expired Status in linux source package in Disco: Won't Fix Bug description: While testing Bionic daily build with kernel 4.15.0-20-generic we saw the following issue with the KVP daemon: KVP daemon crashes after approximatively 2 minutes of uptime and it enters in a failed state. The daemon can be manually started and it enters back in active (running) state. The error messages from /var/log/syslog after the daemon enters the failed state are the following: Apr 25 04:28:46 bionicDaily KVP: read failed; error:9 Bad file descriptor Apr 25 04:28:46 bionicDaily systemd[1]: hv-kvp-daemon.service: Main process exited, code=exited, status=1/FAILURE Apr 25 04:28:46 bionicDaily systemd[1]: hv-kvp-daemon.service: Failed with result 'exit-code'. Apr 25 04:28:59 bionicDaily systemd[1]: Started Hyper-V KVP Protocol Daemon. Note: There was a simmilar issue discussed on this thread https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1664663, but the fixing commit seems to be inclued in this Bionic build. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1779640/+subscriptions