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 >
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