From: chintu hetam <rometoroam@gmail.com>
To: "Xie, Huawei" <huawei.xie@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] DPDK 2.2 build failing with vhost-kni
Date: Mon, 11 Apr 2016 15:02:55 -0400 [thread overview]
Message-ID: <CAOH8Htrm7qePSjqJ3OAim+dLGYf-oY+nEoyRZFUvk0WLzt0Asg@mail.gmail.com> (raw)
In-Reply-To: <CAOH8HtpAfjvqLRAVvro00pSdVGe0NkGN=z8JWqqtG6oqZqNM9g@mail.gmail.com>
thanks ferruh yigit!!
cheers
On Mon, Apr 11, 2016 at 2:57 PM, chintu hetam <rometoroam@gmail.com> wrote:
> I tried vhost-user mode, and during init of ./vhost-switch it fails
> with
> PMD: eth_ixgbe_dev_init(): port 0 vendorID=0x8086 deviceID=0x1528
> pf queue num: 0, configured vmdq pool num: 64, each vmdq pool has 2 queues
> EAL: Error - exiting with code: 1
> Cause: Cannot initialize network ports
>
> it's failing in port_init function, and it seems from
> http://dpdk.org/doc/guides-1.8/rel_notes/resolved_issues.html
>
> this has to with ixgbe checking for eeprom pba parameters. is that
> correct, coz rebuilding ixgbe 4.3.13 by disabling those lines dint help
> either?
>
> i tried enabling configure
> CONFIG_RTE_LIBRTE_ETHDEV_DEBUG=y
> but still i don't see the log messages under /var/log nor on stdout?
>
> just to keep ball rolling i'd like to see at least kni compiling and
> working.
>
> FYI, i am using X540-AT2
>
> cheers
>
> On Mon, Apr 11, 2016 at 10:09 AM, chintu hetam <rometoroam@gmail.com>
> wrote:
>
>> Thanks Xie.
>>
>> I am trying to test FreeBSD-9.3-virtio as guest. Somewhere in the forum i
>> found virtio-kni combination reaching around 2.7 Gbps performance, which is
>> enough for my test, though i dint find equivalent driver performance
>> characterization for qemu-vhost user space combination.
>> Also, as per nics-2.2 user guide, "Linux kernel with KVM module; vhost
>> module loaded and ioeventfd supported. Qemu standard backend without vhost
>> support isn’t tested, and probably isn’t supported",which is bit different
>> from vhost user space support,but still..
>>
>> Just to be sure vhost user space = qemu virtio backend- tap-linux-bridge
>> configuration, as per nics guide, right?
>>
>> Thanking in advance, again.
>>
>>
>>
>>
>>
>>
>>
>> On Mon, Apr 11, 2016 at 4:25 AM, Xie, Huawei <huawei.xie@intel.com>
>> wrote:
>>
>>> On 4/10/2016 7:26 AM, chintu hetam wrote:
>>> > I am compiling DPDK 2.2 on Fedora 23 and i am seeing following build
>>> error
>>> >
>>> /home/vcr/devel/dpdk/dpdk-2.2.0/build/build/lib/librte_eal/linuxapp/kni/kni_vhost.c:
>>> > In function ‘kni_sock_poll’:
>>> >
>>> /home/vcr/devel/dpdk/dpdk-2.2.0/build/build/lib/librte_eal/linuxapp/kni/kni_vhost.c:254:25:
>>> > error: ‘SOCK_ASYNC_NOSPACE’ undeclared (first use in this function)
>>> > (!test_and_set_bit(SOCK_ASYNC_NOSPACE, &q->sock->flags) &&
>>> > ^
>>>
>>> Hi, besides the issue, now user space vhost is the preferred way to
>>> switch packets with the virtual machine, and we have plans to remove kni
>>> vhost support. Do you have any reason to use kni vhost?
>>>
>>
>>
>
next prev parent reply other threads:[~2016-04-11 19:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-09 23:26 chintu hetam
2016-04-11 8:25 ` Xie, Huawei
2016-04-11 14:09 ` chintu hetam
2016-04-11 18:57 ` chintu hetam
2016-04-11 19:02 ` chintu hetam [this message]
2016-04-11 16:54 ` [dpdk-dev] [PATCH] kni: fix vhost-kni compile errors Ferruh Yigit
2016-04-11 17:04 ` Thomas Monjalon
2016-04-11 17:57 ` Ferruh Yigit
2016-04-11 18:30 ` [dpdk-dev] [PATCH v2] " Ferruh Yigit
2016-04-11 20:43 ` Thomas Monjalon
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