Correct Alfredo
> On 9 Jan 2018, at 08:38, Chandrika Gautam <[email protected]> > wrote: > > As per the code, it seems that all these memory allocation happens at the > time of ring creation only. > And a ring will be created whenever any new application(using pf_ring) is > spwaned. > And there should not be multiple occurrences of these errors if any > application is already up and running. > Please let me know if my understanding is correct. > > Regards, > Gautam > > On Tue, Jan 9, 2018 at 12:43 PM, Chandrika Gautam > <[email protected] <mailto:[email protected]>> wrote: > Hi Alfredo, > > Does this error mean that packets are getting lost ? Problem is that I have > not faced this issue in our lab. Its hit in one of the production server. > Can you also explain what have you fixed to resolve this? > > Regards, > Gautam > > On Sun, Jan 7, 2018 at 5:10 PM, Alfredo Cardigliano <[email protected] > <mailto:[email protected]>> wrote: > Hi Gautam > this is not related to hugepages (actually hugepages reserve physical memory, > thus > they can affect allocation, however in this specific case it was due to a > limit in the > pf_ring buffer size). > Please note I just pushed a patch to handle this case resizing the buffer > size when > limit is exceeded, please check if it’s working for you and let me know. > > Regards > Alfredo > > >> On 5 Jan 2018, at 06:38, Chandrika Gautam <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hi Alfredo, >> >> Can this issue be faced if hugepages are not created on server? Because >> these errors disappeared after creating the hugepages. >> >> Regards, >> Gautam >> >> On Fri, Jan 5, 2018 at 10:52 AM, Chandrika Gautam >> <[email protected] <mailto:[email protected]>> wrote: >> Hi Alfredo, >> >> MTU is 1518 for all 6 interfaces except for lo (loopback) interface(65535). >> >> Regards, >> Gautam >> >> >> On Tue, Jan 2, 2018 at 6:46 PM, Alfredo Cardigliano <[email protected] >> <mailto:[email protected]>> wrote: >> What is the MTU size? It seems you are trying to allocate more than 25GB of >> memory, >> thus you get this failure. Please try reducing the number of slots, if you >> cannot reduce >> the buffers size. >> >> Regards >> Alfredo >> >>> On 2 Jan 2018, at 10:40, Chandrika Gautam <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>> [PF_RING] ERROR: min_num_slots (409600, slot len = 65576) causes memory >>> size to wrap >>> >>> [PF_RING] ring_mmap(): unable to allocate memory >>> >>> Regards, >>> Gautam >>> >>> On Tue, Jan 2, 2018 at 2:46 PM, Alfredo Cardigliano <[email protected] >>> <mailto:[email protected]>> wrote: >>> Hi Gautam >>> please provide the error, I see just the insmod command.. >>> >>> Regards >>> Alfredo >>> >>> > On 27 Dec 2017, at 06:26, Chandrika Gautam <[email protected] >>> > <mailto:[email protected]>> wrote: >>> > >>> > Hi, >>> > >>> > We are receiving below error while loading the pf_ring using below >>> > command even though there is free memory available on server. Please let >>> > me know if you need any other information. >>> > >>> > insmod pf_ring.ko min_num_slots=409600 enable_tx_capture=0 >>> > enable_frag_coherence=0 >>> > >>> > [root@CHOIPPROBE04B logs]# cat /proc/meminfo >>> > MemTotal: 32743804 kB >>> > MemFree: 24744428 kB >>> > Buffers: 43208 kB >>> > Cached: 445016 kB >>> > SwapCached: 0 kB >>> > Active: 6281204 kB >>> > Inactive: 384396 kB >>> > Active(anon): 6177672 kB >>> > Inactive(anon): 8 kB >>> > Active(file): 103532 kB >>> > Inactive(file): 384388 kB >>> > Unevictable: 0 kB >>> > Mlocked: 0 kB >>> > SwapTotal: 50331644 kB >>> > SwapFree: 50331644 kB >>> > Dirty: 2080 kB >>> > Writeback: 0 kB >>> > AnonPages: 6200104 kB >>> > Mapped: 847312 kB >>> > Shmem: 220 kB >>> > Slab: 103712 kB >>> > SReclaimable: 36832 kB >>> > SUnreclaim: 66880 kB >>> > KernelStack: 14208 kB >>> > PageTables: 19664 kB >>> > NFS_Unstable: 0 kB >>> > Bounce: 0 kB >>> > WritebackTmp: 0 kB >>> > CommitLimit: 66703544 kB >>> > Committed_AS: 9755140 kB >>> > VmallocTotal: 34359738367 kB >>> > VmallocUsed: 1437596 kB >>> > VmallocChunk: 34340005064 kB >>> > HardwareCorrupted: 0 kB >>> > AnonHugePages: 6119424 kB >>> > HugePages_Total: 0 >>> > HugePages_Free: 0 >>> > HugePages_Rsvd: 0 >>> > HugePages_Surp: 0 >>> > Hugepagesize: 2048 kB >>> > DirectMap4k: 14336 kB >>> > DirectMap2M: 2009088 kB >>> > DirectMap1G: 31457280 kB >>> > >>> > Regards, >>> > Gautam >>> > _______________________________________________ >>> > 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> >>> >>> >>> _______________________________________________ >>> 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> >>> >>> _______________________________________________ >>> 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> >> >> _______________________________________________ >> 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> >> >> >> _______________________________________________ >> 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> > > _______________________________________________ > 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> > > > _______________________________________________ > Ntop-misc mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-misc
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