Hi, Sorry again to ask same question, is it 1TB RAM or 1TB of external memory(Hardisk).
Regards, SATISH SINGH -----Original Message----- From: Stephen Hemminger <step...@networkplumber.org> Sent: Wednesday, August 8, 2018 10:57 PM To: Anshu Boonapalli <anshu.boonapa...@gmail.com> Cc: Singh, Satish 1. (Nokia - IN/Bangalore) <satish.1.si...@nokia.com>; users@dpdk.org Subject: Re: [dpdk-users] DPDK 17.11.2 - PMD: net_mlx5: mempool 0x7fc988c33e40: not virtually contiguous On Wed, 8 Aug 2018 09:37:10 -0700 Anshu Boonapalli <anshu.boonapa...@gmail.com> wrote: > The system i am working on has ~1TB of RAM. > > On Tue, Aug 7, 2018 at 9:28 PM Singh, Satish 1. (Nokia - IN/Bangalore) > < satish.1.si...@nokia.com> wrote: > > > Hi, > > > > According to your configuration, yiu are allocation 80K*2MB = 160GB > > of memory, do you have that much Ram in your system? > > > > Regards, > > SATISH SINGH > > > > -----Original Message----- > > From: users <users-boun...@dpdk.org> On Behalf Of Anshu Boonapalli > > Sent: Tuesday, August 7, 2018 10:33 PM > > To: users@dpdk.org > > Subject: [dpdk-users] DPDK 17.11.2 - PMD: net_mlx5: mempool > > 0x7fc988c33e40: not virtually contiguous > > > > hi, > > > > I am facing this failure intermittently during the rte_eal_init > > call, when using relatively large number of hugepages (~80k+ of 2MB > > hugepages). > > > > The mempool for this scenario is allocated using > > rte_mempool_create() and all associated documentation/source seems > > to indicate the pool returned should be virtually contiguous. > > > > Have any of you experienced this failure and figured out a resolution? > > > > Thanks, > > -Anshu > > With lots of memory you are going to overwhelm the IOMMU with 2M pages. Better to use 1G huge pages.
