[ovs-discuss] Error attaching device to DPDK

[Shivaram Mysore]

# *uname -r*
4.10.0-14-generic

# *cat /proc/cmdline*
BOOT_IMAGE=/boot/vmlinuz-4.10.0-14-generic
root=/dev/mapper/intelsdn--vg-root ro quiet intel_iommu=on iommu=pt
default_hugepagesz=1G hugepagesz=1G hugepages=4

# *uname -a*
Linux intelsdn 4.10.0-14-generic #16-Ubuntu SMP Fri Mar 17 15:19:26 UTC
2017 x86_64 x86_64 x86_64 GNU/Linux

# *cat /etc/*release*
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=17.04
DISTRIB_CODENAME=zesty
DISTRIB_DESCRIPTION="Ubuntu Zesty Zapus (development branch)"
NAME="Ubuntu"
VERSION="17.04 (Zesty Zapus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu Zesty Zapus (development branch)"
VERSION_ID="17.04"


Nothing in the syslog related

On Mon, Mar 27, 2017 at 10:02 PM, Darrell Ball <dball at vmware.com> wrote:

> I see the pastebins now.
>
>
>
> What kernel version are you using ?
>
> VT-d enabled ?
>
> Anything related in syslog ?
>
>
>
> *From: *Shivaram Mysore <shivaram.mysore at gmail.com>
> *Date: *Monday, March 27, 2017 at 9:34 PM
> *To: *Darrell Ball <dball at vmware.com>
> *Cc: *"ovs-discuss at openvswitch.org" <ovs-discuss at openvswitch.org>
> *Subject: *Re: [ovs-discuss] Error attaching device to DPDK
>
>
>
> One more datapoint, please check the paste bin log in URL sent earlier.
> Dpdk-devbind works and you can see results in the paste bin log
>
> /Shivaram
>
> ::Sent from my mobile device::
>
>
> On Mar 27, 2017, at 8:34 PM, Darrell Ball <dball at vmware.com> wrote:
>
> see inline below
>
>
>
> But a few questions:
>
> 1)      Are you using the recommended version of dpdk with OVS 2.7 –
> 16.11 ?
>
> 2)      Are you getting a crash still or is this post crash ?
>
> 3)      Was the previous crash still happening with 16.11 or only 17.02 ?
>
>
>
> Thanks
>
> Darrell
>
>
>
> *From: *<ovs-discuss-bounces at openvswitch.org> on behalf of Shivaram
> Mysore <shivaram.mysore at gmail.com>
> *Date: *Monday, March 27, 2017 at 7:45 PM
> *To: *"ovs-discuss at openvswitch.org" <ovs-discuss at openvswitch.org>
> *Subject: *[ovs-discuss] Error attaching device to DPDK
>
>
>
> Hello,
>
>
>
> I have installed OVS 2.7 running.  When I do:
>
> 1.      *# ovs-vsctl add-port ovs-ip64-br0 dpdk-p0 -- set Interface
> dpdk-p0 type=dpdk options:dpdk-devargs=0000:82:00.0*
>
> 2.      ovs-vsctl: Error detected *while* setting up 'dpdk-p0': Error
> attaching device '0000:82:00.0' to DPDK.  See ovs-vswitchd log *for*
>  details.
>
>
>
> Possibly, the port is not bound.
>
> Check using
>
> $DPDK_DIR/tools/dpdk-devbind.py –status
>
> and see the documentation for more detail
>
>
>
> and the log file shows:
>
> 1.      2017-03-28T02:04:40.004Z*|*00064*|*netdev_dpdk*|*WARN*|*Error
> attaching device '0000:82:00.0' to DPDK
>
> 2.      2017-03-28T02:04:40.004Z*|*00065*|*netdev*|*WARN*|*dpdk-p0: could
> not *set* configuration *(*Invalid argument*)*
>
>
>
> What would cause such a situation?
>
>
>
> Commands run: https://pastebin.com/0P754x0t
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__pastebin.com_0P754x0t&d=DwMFaQ&c=uilaK90D4TOVoH58JNXRgQ&r=BVhFA09CGX7JQ5Ih-uZnsw&m=spZCZ7BnBbu-PD803qcYLxegZkc9PwBLFH3QQ1XxWu0&s=uYWBSaIFlY3aKKwC7PAszDPMtB9xS3zjpwJo8afntY8&e=>
>
> Detailed OVS Log: https://pastebin.com/ctBhLuRG
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__pastebin.com_ctBhLuRG&d=DwMFaQ&c=uilaK90D4TOVoH58JNXRgQ&r=BVhFA09CGX7JQ5Ih-uZnsw&m=spZCZ7BnBbu-PD803qcYLxegZkc9PwBLFH3QQ1XxWu0&s=PC90IYBZb113gFPdzbbIa2gBRr3H8VIpr9ow0jhi-pk&e=>
>
>
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