[Bugs] [Bug 1207643] New: [geo-rep]: starting the geo-rep causes "Segmentation fault" and core is generated by "gsyncd.py"

bugzilla at redhat.com bugzilla at redhat.com
Tue Mar 31 12:08:27 UTC 2015


https://bugzilla.redhat.com/show_bug.cgi?id=1207643

            Bug ID: 1207643
           Summary: [geo-rep]: starting the geo-rep causes "Segmentation
                    fault" and core is generated by "gsyncd.py"
           Product: GlusterFS
           Version: mainline
         Component: geo-replication
          Severity: urgent
          Assignee: bugs at gluster.org
          Reporter: rhinduja at redhat.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com



Description of problem:
=======================

After starting the georep session between master and slave, the master cluster
hits segfault and generates lots of core.

dmesg output:
=============

python[6122]: segfault at 308 ip 0000003f11c23128 sp 00007f76cbffd530 error 4
in libglusterfs.so.0.0.1[3f11c00000+a3000]
python[6103]: segfault at 308 ip 0000003f11c23128 sp 00007f9352d1e530 error 4
in libglusterfs.so.0.0.1[3f11c00000+a3000]
SELinux: initialized (dev fuse, type fuse), uses genfs_contexts
SELinux: initialized (dev fuse, type fuse), uses genfs_contexts
python[6281]: segfault at 308 ip 0000003f11c23128 sp 00007fddbadfb530 error 4
in libglusterfs.so.0.0.1[3f11c00000+a3000]
python[6268]: segfault at 308 ip 0000003f11c23128 sp 00007fcbbb459530 error 4
in libglusterfs.so.0.0.1[3f11c00000+a3000]
SELinux: initialized (dev fuse, type fuse), uses genfs_contexts
SELinux: initialized (dev fuse, type fuse), uses genfs_contexts
python[6384]: segfault at 308 ip 0000003f11c23128 sp 00007fc76fffd530 error 4
in libglusterfs.so.0.0.1[3f11c00000+a3000]
python[6405]: segfault at 308 ip 0000003f11c23128 sp 00007fbd11cdf530 error 4
in libglusterfs.so.0.0.1[3f11c00000+a3000]


1441 cores are generated:
=========================

[root at georep1 ~]# ls /core* | wc
   1441    1441   16862
[root at georep1 ~]# 


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

glusterfs-server-3.7dev-0.810.gitbf8a5c9.el6.x86_64


How reproducible:
=================
1/1


Steps to Reproduce:
===================
1. Create master cluster
2. Create slave cluster
3. Create session between master and slave volume
4. Start the session between master and slave volume

Actual results:
===============

Status is shown as NA and segmentaion fault is observed.

Expected results:
=================

Status show be Active/Passive. It should not observe segmentation fault.

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