Re: starting ntop errors and warnings

Spiros Papageorgiou <[email protected]>
Newsgroups gmane.linux.ntop.general
Message-ID <[email protected]> 
yeap, ok.

Thanx!
Sp
On 3/9/2017 11:46 πμ, Luca Deri wrote:
> Spiros,
> can you please file an issue on github s we can track this problem? 
> Please open one ticket per issue
>
> thanks Luca
>
>> On 2 Sep 2017, at 06:43, Spiros Papageorgiou <[email protected] 
>> <mailto:[email protected]>> wrote:
>>
>> Hi Luca,
>>
>> I updated everything and the error messages seem to be gone. I can 
>> see that huge pages have been allocated:
>>
>> # cat /sys/devices/system/node/node*/meminfo | grep Huge F10Quit
>> Node 0 AnonHugePages:    100352 kB
>> Node 0 HugePages_Total:  2048
>> Node 0 HugePages_Free:   1852
>> Node 0 HugePages_Surp:      0
>>
>> Thanx!
>>
>> Two more problems:
>> - What about the 
>> "view:zc:ens160@0,zc:ens160@1,zc:ens160@2,zc:ens160@3" which is not 
>> working? Is the syntax wrong or something?
>> - I get "02/Sep/2017 07:34:50 [Lua.cpp:5629] 
>> [@/usr/share/ntopng/scripts/callbacks/5min.lua]:[161] ERROR: Cannot 
>> complete local hosts RRD dump in 5 minutes. Please check your RRD 
>> configuration.". Do I need a stronger server? I have a 4core VM  and 
>> the disk (SAN) seems not to be stressed that much. The CPU though is 
>> at about 70%.
>> - The same goes when I export to ES. The ES is at about 30% CPU 
>> utilization but ntopng reports massive flow drops.
>>
>> Regards,
>> Spiros
>>
>>
>> On 1/9/2017 9:26 πμ, Luca Deri wrote:
>>> Spiros
>>> can you please update ntopng and report?
>>>
>>> Thanks Luca
>>>
>>>> On 31 Aug 2017, at 20:10, Spiros Papageorgiou <[email protected] 
>>>> <mailto:[email protected]>> wrote:
>>>>
>>>> Hi Alfredo,
>>>>
>>>> Here is the output:
>>>> [root@server ~]# cat /proc/mounts | grep huge
>>>> cgroup /sys/fs/cgroup/hugetlb cgroup 
>>>> rw,nosuid,nodev,noexec,relatime,hugetlb 0 0
>>>> hugetlbfs /dev/hugepages hugetlbfs rw,relatime 0 0
>>>>
>>>> [root@server ~]# cat /sys/devices/system/node/node*/meminfo | grep Huge
>>>> Node 0 AnonHugePages: 2488320 kB
>>>> Node 0 HugePages_Total: 2048
>>>> Node 0 HugePages_Free: 2048
>>>> Node 0 HugePages_Surp:      0
>>>> [root@server ~]#
>>>>
>>>> Regards,
>>>> Sp
>>>>
>>>> On 31/8/2017 8:06 μμ, Alfredo Cardigliano wrote:
>>>>> 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 <http://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
>>>>>>
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