From: Stephen Hemminger <stephen@networkplumber.org>
To: hamidreza Kheirabadi <hamidreza.kheirabadi@gmail.com>
Cc: dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] vfio error
Date: Sun, 4 Apr 2021 08:15:20 -0700 [thread overview]
Message-ID: <CAOaVG16a19Qo1=_U5NRwFHx4=54-Ej_zcVG-GMmiS0yQ+-KfWA@mail.gmail.com> (raw)
In-Reply-To: <CAKtNQLgd_9UBJhD7nKc1D3mOxmR9k+O26kudvsc9==PQkkguFg@mail.gmail.com>
Look at kernel log (dmesg).
Probably you don't have VT-d enabled.
On Sun, Apr 4, 2021, 7:40 AM hamidreza Kheirabadi <
hamidreza.kheirabadi@gmail.com> wrote:
> Hi,
> I have a dpdk application which binds nic with igb_uio. My problem is
> whenever the kernel updates, I must recompile igb_uio.ko as well.
> I want to use vfio instead but I got an error:
>
> Error: bind failed for 0000:06:00.0 - Cannot bind to driver vfio-pci
> Error: unbind failed for 0000:06:00.0 - Cannot open
> /sys/bus/pci/drivers//unbind
>
> I used ubuntu 20.04 and dpdk-18.05 and use dpdk-setup.py helper script
>
> Regards,
> hamid
>
next prev parent reply other threads:[~2021-04-04 15:15 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-04 14:40 hamidreza Kheirabadi
2021-04-04 15:15 ` Stephen Hemminger [this message]
2021-04-05 16:53 ` Liang Ma
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