[Bugs] [Bug 1550392] New: Failed to access volume via Samba with undefined symbol from socket.so

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1550392

            Bug ID: 1550392
           Summary: Failed to access volume via Samba with undefined
                    symbol from socket.so
           Product: GlusterFS
           Version: 4.0
         Component: core
          Keywords: Triaged
          Severity: high
          Assignee: kaushal at redhat.com
          Reporter: kaushal at redhat.com
                CC: anoopcs at redhat.com, bugs at gluster.org,
                    jthottan at redhat.com, kaushal at redhat.com
        Depends On: 1532238
            Blocks: 1539842 (glusterfs-4.0.0)



+++ This bug was initially created as a clone of Bug #1532238 +++

Description of problem:
Following error was seen in gfapi log while trying to access a basic GlusterFS
volume via Samba.

[2018-01-08 09:21:20.026546] E [rpc-transport.c:284:rpc_transport_load]
0-rpc-transport: /usr/local/lib/glusterfs/4.0dev1/rpc-transport/socket.so:
undefined symbol: rpc_transport_notify
[2018-01-08 09:21:20.026606] W [rpc-transport.c:288:rpc_transport_load]
0-rpc-transport: volume 'gfapi': transport-type 'socket' is not valid or not
found on this machine
[2018-01-08 09:21:20.026616] W [rpc-clnt.c:1065:rpc_clnt_connection_init]
0-gfapi: loading of new rpc-transport failed
[2018-01-08 09:21:20.026632] W [MSGID: 104026]
[glfs-mgmt.c:1005:glfs_mgmt_init] 0-gfapi: failed to create rpc clnt
[2018-01-08 09:21:20.030210] I [timer.c:88:gf_timer_call_cancel]
(-->/usr/local/lib/libglusterfs.so.0(gf_log_fini+0x42) [0x7f07f38d15db]
-->/usr/local/lib/libglusterfs.so.0(gf_log_disable_suppression_before_exit+0x52)
[0x7f07f38d1575] -->/usr/local/lib/libglusterfs.so.0(gf_timer_call_cancel+0xcd)
[0x7f07f38e197a] ) 0-timer: ctx cleanup started


Version-Release number of selected component (if applicable):
master

How reproducible:
Always

Steps to Reproduce:
1. Create a basic 2x2 volume 
2. Try accessing the volume via Samba using any of the following means:
    a) Kernel CIFS client
    b) smbclient utility
    c) Windows/Mac OS

Actual results:
# smbclient -U root%smb \\\\192.168.122.102\\gluster-vol
tree connect failed: NT_STATUS_UNSUCCESSFUL

Connection failed with error mentioned above in client logs.

Expected results:
# smbclient -U root%smb \\\\192.168.122.102\\gluster-vol
Try "help" to get a list of possible commands.
smb: \>

Connection should be successful without any errors.

--- Additional comment from Worker Ant on 2018-01-08 18:26:15 IST ---

REVIEW: https://review.gluster.org/19163 (build: Link libgfrpc within
rpc-transport shared libraries) posted (#1) for review on master by Anoop C S

--- Additional comment from Worker Ant on 2018-01-11 18:12:41 IST ---

COMMIT: https://review.gluster.org/19163 committed in master by \"Anoop C S\"
<anoopcs at redhat.com> with a commit message- build: Link libgfrpc within
rpc-transport shared libraries

Now with https://review.gluster.org/#/c/19056/ merged, we perform
dlopen() with RTLD_LOCAL so that every shared library is expected to
be explicitly linked against other required libraries.

"undefined symbol ..." was seen while trying to access GlusterFS volumes
via NFS-Ganesha/Samba using libgfapi resulting in an unusable state.

This is a follow-up patch to https://review.gluster.org/#/c/17659/
to make sure that we link libgfrpc too while making socket and rdma
rpc-transport shared libraries.

Change-Id: I9943cdc449c257ded3cb9f9f2becdd5784d1d82d
BUG: 1532238
Signed-off-by: Anoop C S <anoopcs at redhat.com>

--- Additional comment from Worker Ant on 2018-01-18 14:09:07 IST ---

REVIEW: https://review.gluster.org/19225 (build: Link server.so against
glusterfsd shared object) posted (#1) for review on master by Anoop C S

--- Additional comment from Kaushal on 2018-03-01 13:06:20 IST ---

This issue also prevents GD2 from working with built packages, and needs to be
fixed if GD2 is to manage GlusterFS clusters.


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1532238
[Bug 1532238] Failed to access volume via Samba with undefined symbol from
socket.so
https://bugzilla.redhat.com/show_bug.cgi?id=1539842
[Bug 1539842] GlusterFS 4.0.0 tracker
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