** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

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  [Hyper-V] KVP daemon fails to start

Status in linux package in Ubuntu:

Bug description:
  While testing Bionic daily build with kernel 4.15.0-20-generic we saw
  that there are 2 issues with the KVP daemon:

  1. 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.

  2. After the KVP daemon is being started the following messages

  Apr 25 04:45:25 bionicDaily hv_kvp_daemon[1895]: sh: 1: 
/usr/libexec/hypervkvpd/hv_get_dns_info: not found
  Apr 25 04:45:25 bionicDaily hv_kvp_daemon[1895]: sh: 1: 
/usr/libexec/hypervkvpd/hv_get_dhcp_info: not found

  The above binaries are present on the system, but the their actual
  path is /usr/sbin/hv_get_dns_info and /usr/sbin/hv_get_dhcp_info.
  Either the hv_get_dhcp_info and hv_get_dns_info binaries should be
  placed in the location where the daemon is looking for
  (/usr/libexec/hypervkvpd/), or the daemon should be set to search for
  the binaries in the /usr/sbin directory.

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