[Gluster-users] Unable to start glusterfs-server after upgrade to 3.7.6

[Vijay Bellur]

----- Original Message -----
> From: "Kaamesh Kamalaaharan" <kaamesh at novocraft.com>
> To: gluster-users at gluster.org
> Sent: Sunday, November 29, 2015 11:57:37 AM
> Subject: [Gluster-users] Unable to start glusterfs-server after upgrade to	3.7.6
> 
> Hi everyone,
> I am using gluster for the past year with no problem. Decided to upgrade to
> v3.7.6 and i couldnt start gluster ever since. this is the error im getting
> 
> 
> ------------------------------------------------
> glusterd --debug
> --------------------------------------------------
> [2015-11-29 16:42:43.334657] I [MSGID: 100030] [glusterfsd.c:2318:main]
> 0-glusterd: Started running glusterd version 3.7.6 (args: glusterd --debug)
> [2015-11-29 16:42:43.334713] D [logging.c:1790:__gf_log_inject_timer_event]
> 0-logging-infra: Starting timer now. Timeout = 120, current buf size = 5
> [2015-11-29 16:42:43.334904] D [MSGID: 0] [glusterfsd.c:638:get_volfp]
> 0-glusterfsd: loading volume file /etc/glusterfs/glusterd.vol
> [2015-11-29 16:42:43.337446] W [MSGID: 101095] [xlator.c:194:xlator_dynload]
> 0-xlator: /usr/lib/x86_64-linux-gnu/glusterfs/3.7.6/xlator/mgmt/glusterd.so:
> undefined symbol: rcu_read_lock_bp


This seems to indicate that liburcu package is not installed or not available in the loader's path. Can you please verify if that is the case?

Regards,
Vijay