I have not seen issues with Centos 6
however I usually build my RPM packages. You could do that if you
type
rpmbuild -tb ganglia-3.6.0.tar.gz
Alternatively if you are interested to try prebuilt packages you
can find them here.
http://vuksan.com/centos/RPMS-6/x86_64/
Vladimir
On 02/08/2014 11:11 AM, Jeff Layton wrote:
Good morning,
I'm running a CentOS 6.5 system with ganglia 3.6.0 and
ganglia-web 3.5.12. I'm following the general guidelines in
this article:
http://sachinsharm.wordpress.com/tag/installing-ganglia/
Everything goes swimmingly and ganglia itself works fine. So I
decide to go to the next step and try using Python with
gmond. I followed the general guidelines in this article:
http://sachinsharm.wordpress.com/2013/08/19/setup-and-configure-ganglia-python-modules-on-centosrhel-6-3/
But when I start up gmond I get a segfault as reported in
/var/log/messages.
Feb 5 19:58:47 home4 kernel: gmond[17992]: segfault at 8 ip
00000036a7ce6ceb sp 00007fffaad46bf0 error 4 in
libpython2.6.so.1.0[36a7c00000+15d000]
Feb 5 19:58:47 home4 abrt[18003]: Saved core dump of pid 17992
(/usr/local/sbin/gmond) to
/var/spool/abrt/ccpp-2014-02-05-19:58:47-17992 (4284416 bytes)
Feb 5 19:58:47 home4 abrtd: Directory
'ccpp-2014-02-05-19:58:47-17992' creation detected
Feb 5 19:58:47 home4 abrtd: Executable '/usr/local/sbin/gmond'
doesn't belong to any package and ProcessUnpackaged is set to 'no'
Feb 5 19:58:47 home4 abrtd: 'post-create' on
'/var/spool/abrt/ccpp-2014-02-05-19:58:47-17992' exited with 1
Feb 5 19:58:47 home4 abrtd: Deleting problem directory
'/var/spool/abrt/ccpp-2014-02-05-19:58:47-17992'
I'm been trying to debug this but I have to admit that I'm
coming up blank. Running gmond with debug doesn't give
too much information:
[root@home4 laytonjb]# gmond -d 5 -c /etc/ganglia/gmond.conf
loaded module: core_metrics
loaded module: cpu_module
loaded module: disk_module
loaded module: load_module
loaded module: mem_module
loaded module: net_module
loaded module: proc_module
loaded module: sys_module
loaded module: python_module
loaded module: python_module
Segmentation fault (core dumped)
I went back to the Mod_Python section of the book (p. 89) and
tried to make things as simple as possible to trace down the
segfault. I went back to the beginning and edited my gmond.conf
file so that the "module" section looks like the following:
modules {
module {
name = "core_metrics"
}
module {
name = "python_module"
path = "/usr/local/lib64/ganglia/modpython.so"
params = "/usr/local/lib64/ganglia/python_modules/"
}
module {
name = "cpu_module"
path = "modcpu.so"
}
module {
name = "disk_module"
path = "moddisk.so"
}
module {
name = "load_module"
path = "modload.so"
}
module {
name = "mem_module"
path = "modmem.so"
}
module {
name = "net_module"
path = "modnet.so"
}
module {
name = "proc_module"
path = "modproc.so"
}
module {
name = "sys_module"
path = "modsys.so"
}
}
Note that I installed ganglia into the default of /usr/local. I
also
added the following line to the end of my gmond.conf file:
include('/etc/ganglia/conf.d/*.pyconf')
Note that my ganglia configuration files are in /etc/ganglia.
Gmond does _not_
segfault when I remove the python module lines
in gmond.conf even when I leave the "include" line in gmond.conf.
When I put the python module into the modules section gmond
segfaults. I even tried removing the "include" line in gmond.conf
and gmond still segfaults..
Any suggestions?
Thanks!
Jeff
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