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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: "Yao, Lei A" <lei.a.yao@intel.com>, "dev@dpdk.org" <dev@dpdk.org>,
	"Horton, Remy" <remy.horton@intel.com>,
	"Bie, Tiwei" <tiwei.bie@intel.com>,
	"yliu@fridaylinux.org" <yliu@fridaylinux.org>
Cc: "mst@redhat.com" <mst@redhat.com>,
	"jfreiman@redhat.com" <jfreiman@redhat.com>,
	"vkaplans@redhat.com" <vkaplans@redhat.com>,
	"jasowang@redhat.com" <jasowang@redhat.com>
Subject: Re: [dpdk-dev] [PATCH v3 17/19] vhost-user: iommu: postpone device creation until ring are mapped
Date: Thu, 2 Nov 2017 09:21:50 +0100	[thread overview]
Message-ID: <8d27d7d9-9567-1a57-5a5f-760f2f117b73@redhat.com> (raw)
In-Reply-To: <2DBBFF226F7CF64BAFCA79B681719D953A2CD10A@shsmsx102.ccr.corp.intel.com>

Hi Lei,

On 11/02/2017 08:21 AM, Yao, Lei A wrote:
> 
...
> Hi, Maxime > I met one issue with your patch set during the v17.11 test.

Is it with v17.11-rc2 or -rc1?

> The test scenario is following,
> 1.	Bind one NIC, use test-pmd set vhost-user with 2 queue
> usertools/dpdk-devbind.py --bind=igb_uio 0000:05:00.0
> ./x86_64-native-linuxapp-gcc/app/testpmd -c 0xe -n 4 --socket-mem 1024,1024 \
> --vdev 'net_vhost0,iface=vhost-net,queues=2' - -i --rxq=2 --txq=2 --nb-cores=2 --rss-ip
> 2.	Launch qemu with  virtio device which has 2 queue
> 3.	In VM, launch testpmd with virtio-pmd using only 1 queue.
> x86_64-native-linuxapp-gcc/app/testpmd -c 0x07 -n 3 - -i --txqflags=0xf01 \
> --rxq=1 --txq=1 --rss-ip --nb-cores=1
> 
> First,
> commit 09927b5249694bad1c094d3068124673722e6b8f
> vhost: translate ring addresses when IOMMU enabled
> The patch causes no traffic in PVP test. but link status is still up in vhost-user.
> 
> Second,
> eefac9536a901a1f0bb52aa3b6fec8f375f09190
> vhost: postpone device creation until rings are mapped
> The patch causes link status "down" in vhost-user.
> 
> Could you have a check at your side? Thanks.

Sure, could you please on your side provide more info?
1. Host testpmd logs
2. Qemu version and cmdline

Thanks,
Maxime
> BRs
> Lei
> 

  reply	other threads:[~2017-11-02  8:22 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-05  8:36 [dpdk-dev] [PATCH v3 00/19] Vhost-user: Implement device IOTLB support Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 01/19] Revert "vhost: workaround MQ fails to startup" Maxime Coquelin
2017-11-01 17:11   ` Kavanagh, Mark B
2017-11-02  9:40     ` Maxime Coquelin
2017-11-03 13:05       ` Yuanhan Liu
2017-11-03 14:28         ` Maxime Coquelin
2017-11-06 12:00           ` Yuanhan Liu
2017-11-06 12:07             ` Maxime Coquelin
2017-11-06 12:24               ` Yuanhan Liu
2017-11-06 12:50                 ` Maxime Coquelin
2017-11-06 13:36                   ` Yuanhan Liu
2017-11-03 15:34       ` Thomas Monjalon
2017-11-03 16:31         ` Kavanagh, Mark B
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 02/19] vhost: make error handling consistent in rx path Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 03/19] vhost: prepare send_vhost_message() to slave requests Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 04/19] vhost: add support to slave requests channel Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 05/19] vhost: declare missing IOMMU-related definitions for old kernels Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 06/19] vhost: add iotlb helper functions Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 07/19] vhost: iotlb: add pending miss request list and helpers Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 08/19] vhost-user: add support to IOTLB miss slave requests Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 09/19] vhost: initialize vrings IOTLB caches Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 10/19] vhost-user: handle IOTLB update and invalidate requests Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 11/19] vhost: introduce guest IOVA to backend VA helper Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 12/19] vhost: use the guest IOVA to host " Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 13/19] vhost: enable rings at the right time Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 14/19] vhost: don't dereference invalid dev pointer after its reallocation Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 15/19] vhost: postpone rings addresses translation Maxime Coquelin
2017-10-13  1:47   ` Yao, Lei A
2017-10-13  7:32     ` Maxime Coquelin
2017-10-13  7:55       ` Yao, Lei A
2017-10-13  7:56         ` Maxime Coquelin
2017-10-16  5:59         ` Yao, Lei A
2017-10-16  6:23           ` Yao, Lei A
2017-10-16  9:47             ` Maxime Coquelin
2017-10-16 10:47               ` Maxime Coquelin
2017-10-17  1:24                 ` Yao, Lei A
2017-10-17  8:06                   ` Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 16/19] vhost-user: translate ring addresses when IOMMU enabled Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 17/19] vhost-user: iommu: postpone device creation until ring are mapped Maxime Coquelin
2017-11-02  7:21   ` Yao, Lei A
2017-11-02  8:21     ` Maxime Coquelin [this message]
2017-11-02 16:02       ` Maxime Coquelin
2017-11-03  8:25         ` Maxime Coquelin
2017-11-03 15:15           ` Michael S. Tsirkin
2017-11-03 15:54             ` Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 18/19] vhost: iommu: Invalidate vring in case of matching IOTLB invalidate Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 19/19] vhost: enable IOMMU support Maxime Coquelin
2017-10-06  6:24 ` [dpdk-dev] [PATCH v3 00/19] Vhost-user: Implement device IOTLB support Yuanhan Liu

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