[Bugs] [Bug 1447523] Glusterd segmentation fault in ' _Unwind_Backtrace' while running peer probe

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1447523

Ben Werthmann <ben at apcera.com> changed:

           What    |Removed                     |Added
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              Flags|needinfo?(ben at apcera.com)   |
                   |needinfo?(ben at apcera.com)   |



--- Comment #11 from Ben Werthmann <ben at apcera.com> ---
(In reply to Gaurav Yadav from comment #10)
> 
> 
> content of cat /var/lib/glusterd/peers/10.0.50.215 shows uuid as
> 00000000-0000-0000-0000-000000000000, mean it is not generating properly. I
> believe uuid is not getting generated properly in your setup.
> 
> Can you check if the following steps work:
> 1. Remove the faulty peer file from /var/lib/glusterd/peers/
> 2. On the host that is to be probed, i.e. 10.0.50.25, clean everything in
> /var/lib/glusterd/*
> 3. Restart glusterd services
> 4. Peer probe 10.0.50.25 again
> 5. check the content of /var/lib/glusterd/glusterd.info
> 6. check whether file inside /var/lib/glusterd/peers is generatd with the
> UUID.

$ ssh 10.0.50.128
$ cat /var/lib/glusterd/peers/10.0.50.125 
cat: /var/lib/glusterd/peers/10.0.50.125: Permission denied
ubuntu at bwerthmann5-dc0936f3:~$ sudo cat /var/lib/glusterd/peers/10.0.50.125 
uuid=00000000-0000-0000-0000-000000000000
state=0
hostname1=10.0.50.125
$ start glusterfs-server 
glusterfs-server start/running, process 14453
$ logout

$ ssh 10.0.50.125
$ sudo ls -l /var/lib/glusterd/peers/
total 0
$ stop glusterfs-server 
glusterfs-server stop/waiting
$ rm -rf /var/lib/glusterd/*
$ start glusterfs-server 
glusterfs-server start/running, process 15170
$ logout

$ ssh 10.0.50.128
$ sudo gluster --log-level=TRACE peer probe 10.0.50.125                   
Connection failed. Please check if gluster daemon is operational.
$ cat /var/lib/glusterd/peers/10.0.50.125
uuid=00000000-0000-0000-0000-000000000000
state=0
hostname1=10.0.50.125
$ logout 


/var/lib/glusterd/glusterd.info does not exist on either node. (I removed the
'peer list' command from the setup which used to generate this).

> 
> 
> If still issue is reproducing, please share the all logs from both the nodes.

I'll post them shortly.

> 
> Please share your setup details also, so that I can also test in the same
> environment in order to reproduce the issue.

I'll attach a "apport" bundle which should have all of the info you need.

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