On Mon, Jan 04, 2016 at 11:15:21AM +0800, Kinglong Mee wrote: > Stefan Hajnoczi reports, > nfsd leaks 3 references to the sunrpc module here: > > # echo -n "asdf 1234" >/proc/fs/nfsd/portlist > bash: echo: write error: Protocol not supported > > Now stop nfsd and try unloading the kernel modules: > > # systemctl stop nfs-server > # systemctl stop nfs > # systemctl stop proc-fs-nfsd.mount > # systemctl stop var-lib-nfs-rpc_pipefs.mount > # rmmod nfsd > # rmmod nfs_acl > # rmmod lockd > # rmmod auth_rpcgss > # rmmod sunrpc > rmmod: ERROR: Module sunrpc is in use > # lsmod | grep rpc > sunrpc 315392 3 > > It is caused by nfsd don't cleanup rpcb program for nfsd > when destroying svc service after creating xprt fail. > > Reported-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx> > Signed-off-by: Kinglong Mee <kinglongmee@xxxxxxxxx> Thanks for looking into this! Tested-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
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