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[Bug 1723527] Re: lxd fails to run on linux-kvm

 

** Also affects: linux-kvm (Ubuntu Xenial)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1723527

Title:
  lxd fails to run on linux-kvm

Status in linux-kvm package in Ubuntu:
  Fix Committed
Status in linux-kvm source package in Xenial:
  Fix Committed

Bug description:
  It appears lxd fails to start on a system running the linux-kvm
  kernel, due to a netlink issue:

  Oct 13 20:40:53 builder lxd-bridge.start[448]: RTNETLINK answers: Operation not supported
  Oct 13 20:40:53 builder lxd-bridge.start[448]: Failed to setup lxd-bridge.
  Oct 13 20:40:53 builder systemd[1]: lxd-bridge.service: Main process exited, code=exited, status=2/INVALIDARGUMENT

  I don't know what specific operation lxd is looking for with its
  bridge.  strace shows:

  [pid   531] open("/usr/lib/ip/link_bridge.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
  [pid   531] sendmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"<\0\0\0\20\0\5\6g%\341Y\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 60}], msg_controllen=0, msg_flags=0}, 0) = 60
  [pid   531] recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"P\0\0\0\2\0\0\0g%\341Y\23\2\0\0\241\377\377\377<\0\0\0\20\0\5\6g%\341Y"..., 32768}], msg_controllen=0, msg_flags=0}, 0) = 80
  [pid   531] write(2, "RTNETLINK answers: Operation not"..., 43RTNETLINK answers: Operation not supported
  ) = 43

  lxd is important to support on linux-kvm.

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