From: wangyunjian <wangyunjian@huawei.com>
To: Dmitry Kozlyuk <dkozlyuk@nvidia.com>,
"dev@dpdk.org" <dev@dpdk.org>, "users@dpdk.org" <users@dpdk.org>,
Matan Azrad <matan@nvidia.com>,
"Slava Ovsiienko" <viacheslavo@nvidia.com>
Cc: Huangshaozhang <huangshaozhang@huawei.com>,
dingxiaoxiong <dingxiaoxiong@huawei.com>
Subject: RE: [dpdk-dev] [dpdk-users] A question about Mellanox ConnectX-5 and ConnectX-4 Lx nic can't send packets?
Date: Tue, 11 Jan 2022 08:45:26 +0000 [thread overview]
Message-ID: <0c8f05bbdbac448ba642cdf206980bce@huawei.com> (raw)
In-Reply-To: <BN8PR12MB289903D60FD1FDA6442DDE7FB9519@BN8PR12MB2899.namprd12.prod.outlook.com>
> -----Original Message-----
> From: Dmitry Kozlyuk [mailto:dkozlyuk@nvidia.com]
> Sent: Tuesday, January 11, 2022 3:37 PM
> To: wangyunjian <wangyunjian@huawei.com>; dev@dpdk.org; users@dpdk.org;
> Matan Azrad <matan@nvidia.com>; Slava Ovsiienko <viacheslavo@nvidia.com>
> Cc: Huangshaozhang <huangshaozhang@huawei.com>; dingxiaoxiong
> <dingxiaoxiong@huawei.com>
> Subject: RE: [dpdk-dev] [dpdk-users] A question about Mellanox ConnectX-5 and
> ConnectX-4 Lx nic can't send packets?
>
> Hello,
>
> Thanks for attaching all the details.
> Can you please reproduce it with --log-level=pmd.common.mlx5:debug and
> send the logs?
>
> > For example, if the environment is configured with 10GB hugepages but
> > each hugepage is physically discontinuous, this problem can be
> > reproduced.
>
> What the hugepage size?
> In general, net/mlx5 does not rely on physical addresses.
> (You probably mean that a range of hugepages is discontiguous, because
> **each** hugepage is contiguous by definition.)
The hugepagesz is 1G. The hugepages allocated like this:
| dpdk 1G || other 1G || dpdk 1G || other 1G || dpdk 1G || other 1G || dpdk 1G || other 1G || dpdk 1G || other 1G || dpdk 1G || other 1G || dpdk 1G || other 1G || dpdk 1G || other 1G || dpdk 1G || other 1G || dpdk 1G || other 1G |
> > This problem is introduced by this patch:
> >
> https://git.dpdk.org/dpdk/commit/?id=fec28ca0e3a93143829f3b41a28a8da93
> 3f28499.
>
> Did you find it with bisection?
prev parent reply other threads:[~2022-01-11 8:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-11 6:08 wangyunjian
2022-01-11 7:36 ` Dmitry Kozlyuk
2022-01-11 8:21 ` wangyunjian
2022-01-11 11:42 ` Dmitry Kozlyuk
2022-01-11 12:29 ` wangyunjian
2022-01-12 4:21 ` wangyunjian
2022-01-11 8:45 ` wangyunjian [this message]
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