Hi Bill,

While NFSv3 supports TCP, UDP is also supported.

Matt

On Tue, Aug 8, 2017 at 1:17 PM, William Allen Simpson
<william.allen.simp...@gmail.com> wrote:
> Frank, Dominique tracked it down:
>
>     #0 0x4e2ea0 in calloc
> (/export/nfs-ganesha/build/MainNFSD/ganesha.nfsd+0x4e2ea0)
>     #1 0x5d0447 in gsh_calloc__
> /export/nfs-ganesha/src/include/abstract_mem.h:145:12
>     #2 0x7ffff58f7eb6 in svc_dg_xprt_zalloc
> /export/nfs-ganesha/src/libntirpc/src/svc_dg.c:101:27
>     #3 0x7ffff58f7abc in svc_dg_xprt_setup
> /export/nfs-ganesha/src/libntirpc/src/svc_dg.c:119:28
>     #4 0x7ffff59009eb in svc_xprt_lookup
> /export/nfs-ganesha/src/libntirpc/src/svc_xprt.c:165:4
>     #5 0x7ffff58f7608 in svc_dg_ncreatef
> /export/nfs-ganesha/src/libntirpc/src/svc_dg.c:139:9
>     #6 0x7ffff58de453 in clnt_dg_ncreatef
> /export/nfs-ganesha/src/libntirpc/src/clnt_dg.c:123:9
>     #7 0x7ffff58e11c2 in clnt_dg_ncreate
> /export/nfs-ganesha/src/libntirpc/ntirpc/rpc/clnt.h:505:10
>     #8 0x7ffff58e0e64 in clnt_tli_ncreate
> /export/nfs-ganesha/src/libntirpc/src/clnt_generic.c:383:8
>     #9 0x7ffff58f32d7 in getclnthandle
> /export/nfs-ganesha/src/libntirpc/src/rpcb_clnt.c:378:7
>     #10 0x7ffff58f2622 in __rpcb_findaddr_timed
> /export/nfs-ganesha/src/libntirpc/src/rpcb_clnt.c:651:13
>     #11 0x7ffff58e0a0f in clnt_tp_ncreate_timed
> /export/nfs-ganesha/src/libntirpc/src/clnt_generic.c:287:3
>     #12 0x7ffff58e08a2 in clnt_ncreate_timed
> /export/nfs-ganesha/src/libntirpc/src/clnt_generic.c:207:10
>     #13 0x7ffff58e099d in clnt_ncreate
> /export/nfs-ganesha/src/libntirpc/src/clnt_generic.c:156:10
>     #14 0x844a3a in gsh_clnt_create
> /export/nfs-ganesha/src/RPCAL/rpc_tools.c:487:9
>     #15 0x71d311 in nsm_connect
> /export/nfs-ganesha/src/Protocols/NLM/nsm.c:55:13
>     #16 0x722ae9 in nsm_unmonitor_all
> /export/nfs-ganesha/src/Protocols/NLM/nsm.c:252:7
>     #17 0x5de964 in nfs_start
> /export/nfs-ganesha/src/MainNFSD/nfs_init.c:939:3
>     #18 0x51c685 in main /export/nfs-ganesha/src/MainNFSD/nfs_main.c:489:2
>     #19 0x7ffff4df2400 in __libc_start_main (/lib64/libc.so.6+0x20400)
>
> NSM should be accessible by TCP.  Why are we using UDP?
>
> Is there a downstream need?
>
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