Thanks Alfredo! Regards, Chandrika
On Tue, Jan 9, 2018 at 2:13 PM, Alfredo Cardigliano <[email protected]> wrote: > 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]> 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] >> > 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]> >>> 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]> 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]> 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]> 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]> 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]> 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] >>>>>> > http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Ntop-misc mailing list >>>>>> [email protected] >>>>>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>>>>> >>>>> >>>>> _______________________________________________ >>>>> Ntop-misc mailing list >>>>> [email protected] >>>>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> Ntop-misc mailing list >>>>> [email protected] >>>>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>>>> >>>> >>>> >>> _______________________________________________ >>> Ntop-misc mailing list >>> [email protected] >>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>> >>> >>> >>> _______________________________________________ >>> Ntop-misc mailing list >>> [email protected] >>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>> >> >> > _______________________________________________ > Ntop-misc mailing list > [email protected] > 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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