Hi Derek could you double check that all the .ko modules (drivers and pf_ring kernel module) have been reinstalled by DKMS and reloaded? Alternatively, any chance to get ssh access to the machine?
Alfredo > On 2 Nov 2016, at 21:18, Spransy, Derek <[email protected]> wrote: > > Hello, > > Today we upgraded our RHEL6 n2disk box to kernel 2.6.32-642.4.2.el6.x86_64 > (addresses the dirty cow vulnerability). After the upgrade n2disk is dumping. > I went ahead and upgraded n2disk (2.6.161102) and pfring (6.4.1-960) to their > latest available stable versions and ran into the same issue. zcount is able > to open the zc interface properly. n2disk startup looks like: > > 02/Nov/2016 16:07:59 [n2disk.c:4809] Welcome to n2disk10g v.2.6.161102 > (r4670) [SandyBridge] > 02/Nov/2016 16:07:59 [n2disk.c:4836] Running on 2 node(s) system with 24 > core(s). NUMA affinity set to node 1. > 02/Nov/2016 16:07:59 [n2disk.c:4865] Using PF_RING for packet capture > 02/Nov/2016 16:07:59 [n2disk.c:4891] WARNING: If you are using standard > drivers (packet capture via kernel) please disable time-pulse thread > 02/Nov/2016 16:07:59 [n2disk.c:4894] Multithread support enabled > 02/Nov/2016 16:07:59 [n2disk.c:5008] Dump files max size is set to 1024 MB > 02/Nov/2016 16:07:59 [n2disk.c:5025] Buffer memory is set to 3 GB (x 3 pcap > files) > 02/Nov/2016 16:07:59 [n2disk.c:5060] Using directory /data1/captures for dump > files > 02/Nov/2016 16:07:59 [n2disk.c:5065] No sub-directories will be created > 02/Nov/2016 16:07:59 [n2disk.c:5070] Up to 43000 files will be written before > overwriting > 02/Nov/2016 16:07:59 [n2disk.c:5080] Dump files max duration is set to 600 sec > 02/Nov/2016 16:07:59 [n2disk.c:5096] Dumping data in 0.1 MB chunks > 02/Nov/2016 16:07:59 [n2disk.c:5139] Index processing memory is set to 847 MB > (x 3 index files) > 02/Nov/2016 16:08:02 [n2disk.c:5329] Memory allocated successfully > 02/Nov/2016 16:08:02 [n2disk.c:3597] Using time pulse timestamps > 02/Nov/2016 16:08:02 [n2disk.c:3630] Started PF_RING packet reader thread for > device zc:eth5 > > /var/log/messages then reports: > abrt[5405]: Saved core dump of pid 5128 (/usr/local/bin/n2disk10g) to > /var/spool/abrt/ccpp-2016- > 11-02-16:02:10-5128 (5941956608 bytes) > > Any ideas? > > Thanks, > Derek > > > > > This e-mail message (including any attachments) is for the sole use of > the intended recipient(s) and may contain confidential and privileged > information. If the reader of this message is not the intended > recipient, you are hereby notified that any dissemination, distribution > or copying of this message (including any attachments) is strictly > prohibited. > > If you have received this message in error, please contact > the sender by reply e-mail message and destroy all copies of the > original message (including attachments). > _______________________________________________ > Ntop-misc mailing list > [email protected] <mailto:[email protected]> > http://listgateway.unipi.it/mailman/listinfo/ntop-misc > <http://listgateway.unipi.it/mailman/listinfo/ntop-misc>
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