I've had a similar issue with RHEL6.6 in using the stable rpm repo. Building PF_RING and ZC ixgbe drivers from stable source works fine. Loaded using the included load_driver.sh

Kernel 2.6.32-504.16.2.el6.x86_64

I'm rebuilding my test system fresh so let me know if there is anything you would like me to try.


-------------------------------
Craig Pluchinsky
IT Services
Indiana University of Pennsylvania
724-357-3327


On Wed, 29 Apr 2015, Jose Vila wrote:

I uninstalled and then reinstalled and somehow /etc/init.d/pf_ring dissapeared.
I copied it from a SVN copy and tried to start pf_ring but had no success:

# /etc/init.d/pf_ring start
Starting PF_RING module: PF_RING not enabled
                                                           [  OK  ]
# lsmod | grep pf_
# 



On Wed, Apr 29, 2015 at 6:44 PM, Alfredo Cardigliano <[email protected]> 
wrote:
      Hi Jose
please try with the testing repository and let us know.

Thank you
Alfredo

      On 29 Apr 2015, at 18:41, Jose Vila <[email protected]> wrote:

I tried to uninstall and reinstall again all the pf_ring related modules 
(pfring, pfring-dkms and pfring-drivers-zc-dkms) and
found the same warnings too during installation process:
WARNING: /lib/modules/2.6.32-504.12.2.el6.x86_64/extra/ixgbe_zc.ko needs 
unknown symbol _kc_simple_write_to_buffer
WARNING: /lib/modules/2.6.32-504.el6.x86_64/weak-updates/ixgbe_zc.ko needs 
unknown symbol _kc_simple_write_to_buffer

Should I use testing repository?

On Wed, Apr 29, 2015 at 6:13 PM, Jose Vila <[email protected]> wrote:
      I used stable repo. MI want to put this machine into production soon and 
thought it would be more stable.


On Wed, Apr 29, 2015 at 6:08 PM, Alfredo Cardigliano <[email protected]> 
wrote:
      Hi Jose
which repository did you configure?

Alfredo

      On 29 Apr 2015, at 18:03, Jose Vila <[email protected]> wrote:

Hello Alfredo,
I didn't know about this document and all the options in "Annex A", and believe 
it should appear also on
pf_ring user's guide.

I've followed the instructions on this paper, but dmesg shows an error when 
trying to load the ixgbe driver: 

ixgbe_zc: Unknown symbol _kc_simple_write_to_buffer

These are my config files for pf_ring startup file. I have a server with 2 
Six-Core AMD Opteron CPU and a 10G
Intel NIC with a single SFP port.

# cat /etc/pf_ring/hugepages 
node=0 hugepagenumber=1024
node=1 hugepagenumber=1024
# ls -l /etc/pf_ring/zc/ixgbe/
total 4
-rw-r--r--. 1 root root 8 abr 29 17:44 ixgbe.conf
-rw-r--r--. 1 root root 0 abr 29 17:04 ixgbe.start
# cat /etc/pf_ring/zc/ixgbe/ixgbe.conf 
RSS=1,1




On Tue, Apr 28, 2015 at 3:04 PM, Alfredo Cardigliano <[email protected]> 
wrote:
      Hi JoseI recommend you to use RPMs, you can configure our init.d script 
for loading pf_ring 
and zc drivers at boot time. Please read this guide, page 22 "Configuring a 
PF_RING 
Deb/RPM package”:
http://www.ntop.org/wp-content/uploads/2011/08/n2disk-UsersGuide1.pdf

Alfredo


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