From: "Singh, Satish 1. (Nokia - IN/Bangalore)" <satish.1.singh@nokia.com>
To: Stephen Hemminger <stephen@networkplumber.org>,
Anshu Boonapalli <anshu.boonapalli@gmail.com>
Cc: "users@dpdk.org" <users@dpdk.org>
Subject: Re: [dpdk-users] DPDK 17.11.2 - PMD: net_mlx5: mempool 0x7fc988c33e40: not virtually contiguous
Date: Thu, 9 Aug 2018 03:30:29 +0000 [thread overview]
Message-ID: <DB5PR07MB15277DA6886DB8C6F7A533EA89250@DB5PR07MB1527.eurprd07.prod.outlook.com> (raw)
In-Reply-To: <20180808102657.5221fda5@xeon-e3>
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 <stephen@networkplumber.org>
Sent: Wednesday, August 8, 2018 10:57 PM
To: Anshu Boonapalli <anshu.boonapalli@gmail.com>
Cc: Singh, Satish 1. (Nokia - IN/Bangalore) <satish.1.singh@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.boonapalli@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.singh@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-bounces@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.
prev parent reply other threads:[~2018-08-09 3:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-07 17:03 Anshu Boonapalli
2018-08-08 3:28 ` Singh, Satish 1. (Nokia - IN/Bangalore)
2018-08-08 16:37 ` Anshu Boonapalli
2018-08-08 17:26 ` Stephen Hemminger
2018-08-09 3:30 ` Singh, Satish 1. (Nokia - IN/Bangalore) [this message]
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