Re: starting ntop errors and warnings

Hi Spiros
please provide the output of:

cat /proc/mounts / grep huge
cat /sys/devices/system/node/node*/meminfo | grep Huge

Alfredo

> On 31 Aug 2017, at 18:53, Spiros Papageorgiou <[email protected]> wrote:
> 
> Hi all,
> 
> 
> I have an updated ntopng/pfring-zc installation and when I start ntopng the following messages are produced:
> 
> Aug 30 18:05:06 server logger: ntopng start
> Aug 30 18:05:08 server ntopng: [ViewInterface.cpp:50] ERROR: Internal Error: NULL interface [view:zc:ens160@0,zc:ens160@1,zc:ens160@2,zc:ens160@3][2]
> Aug 30 18:05:08 server ntopng: [ViewInterface.cpp:50] ERROR: Internal Error: NULL interface [view:zc:ens160@0,zc:ens160@1,zc:ens160@2,zc:ens160@3][2]
> Aug 30 18:05:08 server ntopng: [ViewInterface.cpp:50] ERROR: Internal Error: NULL interface [view:zc:ens160@0,zc:ens160@1,zc:ens160@2,zc:ens160@3][2]
> Aug 30 18:05:08 server ntopng: [ViewInterface.cpp:50] ERROR: Internal Error: NULL interface [view:zc:ens160@0,zc:ens160@1,zc:ens160@2,zc:ens160@3][2]
> Aug 30 18:05:08 server kernel: device ens160 entered promiscuous mode
> Aug 30 18:05:09 server ntopng: [PF_RINGInterface.cpp:72] WARNING: Unable to set packet capture direction
> Aug 30 18:05:11 server ntopng: [PF_RINGInterface.cpp:72] WARNING: Unable to set packet capture direction
> Aug 30 18:05:11 server ntopng: Starting ntopng: Unable to start ntopng[FAILED]
> Aug 30 18:05:11 server systemd: Started Start/stop ntopng program.
> Aug 30 18:05:12 server ntopng: [PF_RINGInterface.cpp:72] WARNING: Unable to set packet capture direction
> Aug 30 18:05:14 server ntopng: [PF_RINGInterface.cpp:72] WARNING: Unable to set packet capture direction
> Aug 30 18:05:14 server kernel: traps: ntopng[2575] general protection ip:42df01 sp:7ff418f69b60 error:0 in ntopng[400000+264000]
> Aug 30 18:05:15 server kernel: device ens160 left promiscuous mode
> Aug 30 18:05:15 server systemd: ntopng.service: main process exited, code=killed, status=11/SEGV
> 
> Why the view of all queues does not work? How should i write this line?
> 
> When I delete from ntopng.conf, the "view:zc:ens160@0,zc:ens160@1,zc:ens160@2,zc:ens160@3" line, the I get another bunch of warnings:
> 
> Aug 30 18:06:50 server systemd: Starting Start/stop ntopng program...
> Aug 30 18:06:50 server logger: ntopng start
> Aug 30 18:06:51 server kernel: device ens160 entered promiscuous mode
> Aug 30 18:06:52 server ntopng: [PF_RINGInterface.cpp:72] WARNING: Unable to set packet capture direction
> Aug 30 18:06:53 server ntopng: [PF_RINGInterface.cpp:72] WARNING: Unable to set packet capture direction
> Aug 30 18:06:55 server ntopng: [PF_RINGInterface.cpp:72] WARNING: Unable to set packet capture direction
> Aug 30 18:06:55 server ntopng: Starting ntopng: Unable to start ntopng[FAILED]
> Aug 30 18:06:55 server systemd: Started Start/stop ntopng program.
> Aug 30 18:06:56 server ntopng: [PF_RINGInterface.cpp:72] WARNING: Unable to set packet capture direction
> Aug 30 18:06:57 server ZC[2647]: error opening /dev/hugepages/ens160@1-txrx: Permission denied
> Aug 30 18:06:57 server ZC[2647]: error mmap'ing 49 hugepages of 2048 KB
> Aug 30 18:06:58 server ZC[2647]: error opening /dev/hugepages/ens160@0-txrx: Permission denied
> Aug 30 18:06:58 server ZC[2647]: error mmap'ing 49 hugepages of 2048 KB
> Aug 30 18:06:58 server ZC[2647]: error opening /dev/hugepages/ens160@2-txrx: Permission denied
> Aug 30 18:06:58 server ZC[2647]: error mmap'ing 49 hugepages of 2048 KB
> Aug 30 18:06:58 server ZC[2647]: error opening /dev/hugepages/ens160@3-txrx: Permission denied
> Aug 30 18:06:58 server ZC[2647]: error mmap'ing 49 hugepages of 2048 KB
> Aug 30 18:07:01 server systemd: Started Session 6 of user root.
> Aug 30 18:07:01 server systemd: Starting Session 6 of user root.
> 
> The ntopng then, seems to be working but I would like to get rid of the errors. What should I do to avoid the hugepages errors? I'm running ntop as root (though I can see it drops privs).
> 
> My conf:
> 
> -G=/var/run/ntopng.pid
> --data-dir=/mnt/data/ntopng
> #--interface=zc:ens160
> --interface=zc:ens160@0
> --interface=zc:ens160@1
> --interface=zc:ens160@2
> --interface=zc:ens160@3
> #--interface=view:zc:ens160@0,zc:ens160@1,zc:ens160@2,zc:ens160@3
> --local-networks="xx.xx.0.0/16,xx.xx.cc.0/24,xx.xx.ff.0/22,xx.xx.vv.0/24"
> --dns-mode=3
> --disable-autologout
> --max-num-flows=512000
> --max-num-hosts=256000
> --sticky-hosts=none
> -g -1
> 
> # cat /etc/ntopng/ntopng.start
> #
> 
> # cat /etc/pf_ring/hugepages.conf
> node=0 hugepages=1024
> # cat /etc/pf_ring/pf_ring.conf
> transparent_mode=2
> 
> # cat /etc/pf_ring/pf_ring.start
> # cat /etc/pf_ring/zc/ixgbe/ixgbe.conf
> RSS=0,0,0,0
> # cat /etc/pf_ring/zc/ixgbe/ixgbe.start
> #
> 
> 
> 
> Regards,
> 
> Spiros
> 
> _______________________________________________
> Ntop mailing list
> [email protected]
> http://listgateway.unipi.it/mailman/listinfo/ntop

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