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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
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?)

      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]

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