From: Stephen Hemminger <stephen@networkplumber.org>
To: vikram T <vikramet@gmail.com>
Cc: users@dpdk.org
Subject: Re: [dpdk-users] Packet Drop seen when Oracle Linux upgrade to OL7.8 - DPDK 19.11
Date: Tue, 27 Apr 2021 08:13:38 -0700 [thread overview]
Message-ID: <20210427081338.62ae1937@hermes.local> (raw)
In-Reply-To: <CANxYRjzMD+HGNm44Nwy_rw4E6PWnfTbwaRkM=vtLTG+fHjQu7A@mail.gmail.com>
On Tue, 27 Apr 2021 15:17:12 +0530
vikram T <vikramet@gmail.com> wrote:
> Hi,
> It was observed that in DPDK packet drops were observed when OS was
> upgraded to Oracle Linux 7.8 i.e:
> From *4.14.35-1818.3.3.el7uek.x86_64* ==>
> *4.14.35-1902.300.11.el7uek.x86_64*.
>
> After reverting back to the older kernel (4.14.35-1818.3.3.el7uek.x86_64)
> there were no packet drops.
> DPK version being used is - DPDK v19.11.
>
> Any lead to understand the root cause would be appreciated.
> What factors could affect the kernel upgrade?
>
> Regards
> Vikram
What driver and interface are you using (igb_uio, vfio?)
prev parent reply other threads:[~2021-04-27 15:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-27 9:47 vikram T
2021-04-27 15:13 ` Stephen Hemminger [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210427081338.62ae1937@hermes.local \
--to=stephen@networkplumber.org \
--cc=users@dpdk.org \
--cc=vikramet@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).