[Bugs] [Bug 1234877] Samba crashes with 3.7.4 and VFS module

bugzilla at redhat.com bugzilla at redhat.com
Tue Sep 29 13:07:50 UTC 2015


https://bugzilla.redhat.com/show_bug.cgi?id=1234877



--- Comment #10 from dijuremo <dijuremo at gatech.edu> ---
[1]* Answer

[root at ysmha01 ~]# cat /etc/redhat-release 
CentOS Linux release 7.1.1503 (Core) 

[root at ysmha01 ~]# yum info samba-4.1.12-23.el7_1.x86_64
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirrors.greenmountainaccess.net
 * extras: centos.den.host-engine.com
 * ovirt-3.5-epel: mirror.us.leaseweb.net
 * updates: centos.mirrors.tds.net
Installed Packages
Name        : samba
Arch        : x86_64
Version     : 4.1.12
Release     : 23.el7_1
Size        : 1.6 M
Repo        : installed
>From repo   : updates
Summary     : Server and Client software to interoperate with Windows machines
URL         : http://www.samba.org/
License     : GPLv3+ and LGPLv3+
Description : Samba is the standard Windows interoperability suite of programs
for Linux and Unix.

The updates repo section shows:

[updates]
name=CentOS-$releasever - Updates
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

You are looking at CentOS 7.0 instead of 7.1 which has samba-
4.1.12-23.el7_1.x86_64:

http://mirror.centos.org/centos/7.1.1503/os/x86_64/Packages/samba-4.1.12-21.el7_1.x86_64.rpm


[2]* Answer
I have the gluster packages from:

[root at ysmha01 ~]# yum info glusterfs
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirrors.greenmountainaccess.net
 * extras: centos.den.host-engine.com
 * ovirt-3.5-epel: mirror.us.leaseweb.net                                       
 * updates: centos.mirrors.tds.net                                              
Installed Packages                                                              
Name        : glusterfs
Arch        : x86_64
Version     : 3.7.3
Release     : 1.el7
Size        : 1.6 M
Repo        : installed
>From repo   : ovirt-3.5-glusterfs-epel
Summary     : Cluster File System
URL         : http://www.gluster.org/docs/index.php/GlusterFS
License     : GPLv2 or LGPLv3+
Description : GlusterFS is a distributed file-system capable of scaling to
several
            : petabytes. It aggregates various storage bricks over Infiniband
RDMA
            : or TCP/IP interconnect into one large parallel network file
            : system. GlusterFS is one of the most sophisticated file systems
in
            : terms of features and extensibility.  It borrows a powerful
concept
            : called Translators from GNU Hurd kernel. Much of the code in
GlusterFS
            : is in user space and easily manageable.
            : 
            : This package includes the glusterfs binary, the glusterfsd daemon
and the
            : libglusterfs and glusterfs translator modules common to both
GlusterFS server
            : and client framework.


[3]* Answer
I have no specific procedure to produce the core dumps, they are just produced
by users accessing the server via the samba shares. All shares are currently
using the samba vfs gluster feature. The core dumps started just after the
upgrade of gluster 3.6.x to 3.7.x. I have not had a chance to downgrade to 3.6
nor upgrade to 3.7.4 to see if that helps at all.

Here is a list of core dumps by time since 00:00AM today, I will be happy to
upload one for you if you want to run it through the debugger:

[root at ysmha01 core]# file core.6502.1443531854.dump
core.6502.1443531854.dump: ELF 64-bit LSB core file x86-64, version 1 (SYSV),
SVR4-style, from '/usr/sbin/smbd'

[root at ysmha01 core]# ls -l --sort=time
total 1040848
-rw-------. 1 root root 67354624 Sep 29 09:04 core.6502.1443531854.dump
-rw-------. 1 root root 62304256 Sep 29 08:36 core.23166.1443530215.dump
-rw-------. 1 root root 59539456 Sep 29 08:08 core.29407.1443528538.dump
-rw-------. 1 root root 57675776 Sep 29 08:01 core.26438.1443528119.dump
-rw-------. 1 root root 63483904 Sep 29 07:16 core.4331.1443525364.dump
-rw-------. 1 root root 61505536 Sep 29 06:45 core.24178.1443523500.dump
-rw-------. 1 root root 67715072 Sep 29 06:28 core.25758.1443522504.dump
-rw-------. 1 root root 67682304 Sep 29 06:22 core.23897.1443522148.dump
-rw-------. 1 root root 63135744 Sep 29 05:35 core.22984.1443519340.dump
-rw-------. 1 root root 58912768 Sep 29 05:35 core.21996.1443519312.dump
-rw-------. 1 root root 58888192 Sep 29 05:34 core.21670.1443519263.dump
-rw-------. 1 root root 58945536 Sep 29 05:33 core.21142.1443519233.dump
-rw-------. 1 root root 58986496 Sep 29 05:33 core.20819.1443519210.dump
-rw-------. 1 root root 58892288 Sep 29 05:33 core.20286.1443519190.dump
-rw-------. 1 root root 57675776 Sep 29 05:32 core.19898.1443519151.dump
-rw-------. 1 root root 58904576 Sep 29 05:32 core.19343.1443519130.dump
-rw-------. 1 root root 58966016 Sep 29 05:31 core.17579.1443519060.dump
-rw-------. 1 root root 58826752 Sep 29 05:24 core.12325.1443518662.dump
-rw-------. 1 root root 57675776 Sep 29 05:23 core.12095.1443518628.dump
-rw-------. 1 root root 58945536 Sep 29 05:23 core.11661.1443518608.dump
-rw-------. 1 root root 57671680 Sep 29 05:17 core.6417.1443518252.dump
-rw-------. 1 root root 58871808 Sep 29 05:17 core.6052.1443518228.dump
-rw-------. 1 root root 60137472 Sep 29 05:07 core.30876.1443517655.dump
-rw-------. 1 root root 57532416 Sep 29 05:00 core.16957.1443517236.dump
-rw-------. 1 root root 59256832 Sep 29 04:47 core.11112.1443516445.dump
-rw-------. 1 root root 59236352 Sep 29 04:45 core.9295.1443516325.dump
-rw-------. 1 root root 60268544 Sep 29 04:45 core.5285.1443516301.dump
-rw-------. 1 root root 59240448 Sep 29 04:44 core.7476.1443516254.dump
-rw-------. 1 root root 57696256 Sep 29 04:37 core.1972.1443515822.dump
-rw-------. 1 root root 64811008 Sep 29 04:36 core.1531.1443515807.dump
-rw-------. 1 root root 59228160 Sep 29 04:30 core.28017.1443515431.dump
-rw-------. 1 root root 59674624 Sep 29 03:26 core.11734.1443511619.dump
-rw-------. 1 root root 57556992 Sep 29 03:22 core.31346.1443511341.dump
-rw-------. 1 root root 59392000 Sep 29 03:22 core.30577.1443511324.dump
-rw-------. 1 root root 57552896 Sep 29 03:21 core.30112.1443511267.dump
-rw-------. 1 root root 59346944 Sep 29 03:20 core.29235.1443511237.dump
-rw-------. 1 root root 57556992 Sep 29 03:19 core.28504.1443511161.dump
-rw-------. 1 root root 59322368 Sep 29 03:18 core.27591.1443511134.dump
-rw-------. 1 root root 57667584 Sep 29 03:18 core.27311.1443511080.dump
-rw-------. 1 root root 59318272 Sep 29 03:17 core.26885.1443511067.dump
-rw-------. 1 root root 64516096 Sep 29 03:03 core.13713.1443510199.dump
-rw-------. 1 root root 58908672 Sep 29 03:01 core.12424.1443510111.dump
-rw-------. 1 root root 57671680 Sep 29 03:00 core.11462.1443510040.dump
-rw-------. 1 root root 58859520 Sep 29 03:00 core.10719.1443510019.dump
-rw-------. 1 root root 57671680 Sep 29 02:55 core.6832.1443509729.dump
-rw-------. 1 root root 58888192 Sep 29 02:55 core.6362.1443509702.dump
-rw-------. 1 root root 57671680 Sep 29 02:45 core.30494.1443509159.dump
-rw-------. 1 root root 58925056 Sep 29 02:45 core.29922.1443509137.dump
-rw-------. 1 root root 58941440 Sep 29 02:45 core.28703.1443509107.dump
-rw-------. 1 root root 58904576 Sep 29 02:43 core.27644.1443509005.dump
-rw-------. 1 root root 64491520 Sep 29 02:42 core.26854.1443508949.dump
-rw-------. 1 root root 67346432 Sep 29 01:02 core.14361.1443502958.dump
-rw-------. 1 root root 65433600 Sep 29 00:45 core.10603.1443501907.dump

Let me know what other information I can provide.

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