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From: David Marchand <david.marchand@redhat.com>
To: "Wang, Yinan" <yinan.wang@intel.com>
Cc: "谢华伟(此时此刻）" <huawei.xhw@alibaba-inc.com>,
	"maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>,
	"Yigit, Ferruh" <ferruh.yigit@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"Burakov, Anatoly" <anatoly.burakov@intel.com>,
	"xuemingl@nvidia.com" <xuemingl@nvidia.com>,
	"grive@u256.net" <grive@u256.net>
Subject: Re: [dpdk-dev] [PATCH v11 0/2] support both PIO and MMIO BAR for legacy virito device
Date: Fri, 12 Mar 2021 15:32:33 +0100	[thread overview]
Message-ID: <CAJFAV8wVO0CZcqhkA3J_iRMGJSs7cf-TGDTRjN1EJjN_eZk+pw@mail.gmail.com> (raw)
In-Reply-To: <BYAPR11MB2648F1596DD83CF174598AC58F909@BYAPR11MB2648.namprd11.prod.outlook.com>

Hello,

On Thu, Mar 11, 2021 at 12:55 PM Wang, Yinan <yinan.wang@intel.com> wrote:
>
> Tested-by: Wang, Yinan <yinan.wang@intel.com>
>
> Tested PVP case with virtio PMD assumes legacy device, VM with below kernel LTS versions, all pass except vfio-pci test blocked with kernel v4.4.
> 5.10.0-051000-generic                     virtio-pmd test with  vfio-pci/ igb_uio/uio_pci_generic  all pass
> 5.4.0-050400-generic                       virtio-pmd test with  vfio-pci/ igb_uio/uio_pci_generic  all pass
> 4.19.179-0419179-generic             virtio-pmd test with  vfio-pci/ igb_uio/uio_pci_generic  all pass
> 4.9.260-0409260-generic               virtio-pmd test with  vfio-pci/ igb_uio/uio_pci_generic  all pass
> 4.4.260-0404260-generic               virtio-pmd test with  igb_uio/uio_pci_generic can pass ; vfio-pci blocked as fail to bind vfio-pci to virtio-pmd
>
> Error info:
> root@vmubuntu2004:~/dpdk/usertools# ./dpdk-devbind.py -b vfio-pci 00:04.0
> lspci: Unable to load libkmod resources: error -12
>
> root@vmubuntu2004:~/dpdk/usertools# dmesg
> [  161.553493] VFIO - User Level meta-driver version: 0.3
> [  179.430529] vfio-pci: probe of 0000:00:04.0 failed with error -22

The vanilla stable 4.4 kernel does not support "No-IOMMU mode" for vfio.
ae5515d66362 - Revert: "vfio: Include No-IOMMU mode" (5 years ago)
<Alex Williamson>

So this behavior is expected if you were testing with no iommu in your
virtual machine.


Thanks for the tests!

-- 
David Marchand


  reply	other threads:[~2021-03-12 14:32 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-29  3:18 [dpdk-dev] [PATCH v6 0/2] support both PIO and MMIO BAR for legacy device in virtio PMD 谢华伟(此时此刻）
2021-01-29  3:18 ` [dpdk-dev] [PATCH v6 1/2] bus/pci: use PCI standard sysfs entry to get PIO address 谢华伟(此时此刻）
2021-02-03  9:37   ` Maxime Coquelin
2021-02-18  9:33   ` David Marchand
2021-02-21 15:58     ` 谢华伟(此时此刻）
2021-02-24 12:49       ` David Marchand
2021-02-24 15:29         ` 谢华伟(此时此刻）
2021-02-24 17:52           ` David Marchand
2021-03-01 15:47             ` 谢华伟(此时此刻）
2021-03-02 12:31             ` 谢华伟(此时此刻）
2021-01-29  3:18 ` [dpdk-dev] [PATCH v6 2/2] bus/pci: support MMIO in PCI ioport accessors 谢华伟(此时此刻）
2021-02-03  9:37   ` Maxime Coquelin
2021-02-09 14:51   ` Ferruh Yigit
2021-02-19  8:52     ` Ferruh Yigit
2021-02-21 15:45       ` 谢华伟(此时此刻）
2021-02-17  9:06   ` David Marchand
2021-02-17 14:15     ` 谢华伟(此时此刻）
2021-02-18  9:33       ` David Marchand
2021-01-29  3:25 ` [dpdk-dev] [PATCH v6 0/2] support both PIO and MMIO BAR for legacy device in virtio PMD 谢华伟(此时此刻）
2021-02-01  7:43   ` 谢华伟(此时此刻）
2021-02-03  9:37     ` Maxime Coquelin
2021-02-04  2:50       ` 谢华伟(此时此刻）
2021-02-22 17:15 ` [dpdk-dev] [PATCH v7 " 谢华伟(此时此刻）
2021-02-22 17:15   ` [dpdk-dev] [PATCH v7 1/2] bus/pci: use PCI standard sysfs entry to get PIO address 谢华伟(此时此刻）
2021-02-22 17:15   ` [dpdk-dev] [PATCH v7 2/2] bus/pci: support MMIO in PCI ioport accessors 谢华伟(此时此刻）
2021-02-22 17:25     ` Ferruh Yigit
2021-02-23 14:20       ` 谢华伟(此时此刻）
2021-02-24 15:45         ` Ferruh Yigit
2021-02-25  3:59           ` 谢华伟(此时此刻）
2021-02-25  9:52             ` David Marchand
2021-03-01 15:43               ` 谢华伟(此时此刻）
2021-03-02 13:14                 ` David Marchand
2021-03-03  7:56                   ` 谢华伟(此时此刻）
2021-03-01 16:01   ` [dpdk-dev] [PATCH v8 0/2] support both PIO and MMIO BAR for legacy device in virtio PMD 谢华伟(此时此刻）
2021-03-01 16:01     ` [dpdk-dev] [PATCH v8 1/2] bus/pci: use PCI standard sysfs entry to get PIO address 谢华伟(此时此刻）
2021-03-01 16:01     ` [dpdk-dev] [PATCH v8 2/2] bus/pci: support MMIO in PCI ioport accessors 谢华伟(此时此刻）
2021-03-02 12:48     ` [dpdk-dev] [PATCH v8 0/2] support both PIO and MMIO BAR for legacy device in virtio PMD 谢华伟(此时此刻）
2021-03-02 13:01       ` Ferruh Yigit
2021-03-02 13:17       ` David Marchand
2021-03-03 17:46     ` [dpdk-dev] [PATCH v9 " 谢华伟(此时此刻）
2021-03-03 17:46       ` [dpdk-dev] [PATCH v9 1/2] bus/pci: use PCI standard sysfs entry to get PIO address 谢华伟(此时此刻）
2021-03-03 17:46       ` [dpdk-dev] [PATCH v9 2/2] bus/pci: support MMIO in PCI ioport accessors 谢华伟(此时此刻）
2021-03-03 18:24       ` [dpdk-dev] [PATCH v9 0/2] support both PIO and MMIO BAR for legacy device in virtio PMD Stephen Hemminger
2021-03-04 13:45         ` 谢华伟(此时此刻）
2021-03-03 18:47       ` [dpdk-dev] [PATCH v10 0/2] support both PIO and MMIO BAR for legacy virito device 谢华伟(此时此刻）
2021-03-03 18:47         ` [dpdk-dev] [PATCH v10 1/2] bus/pci: use PCI standard sysfs entry to get PIO address 谢华伟(此时此刻）
2021-03-05 16:17           ` 谢华伟(此时此刻）
2021-03-09  6:22             ` 谢华伟(此时此刻）
2021-03-09  7:44               ` David Marchand
2021-03-03 18:47         ` [dpdk-dev] [PATCH v10 2/2] bus/pci: support MMIO in PCI ioport accessors 谢华伟(此时此刻）
2021-03-10 17:36         ` [dpdk-dev] [PATCH v11 0/2] support both PIO and MMIO BAR for legacy virito device 谢华伟(此时此刻）
2021-03-10 17:36           ` [dpdk-dev] [PATCH v11 1/2] bus/pci: use PCI standard sysfs entry to get PIO address 谢华伟(此时此刻）
2021-03-10 17:36           ` [dpdk-dev] [PATCH v11 2/2] bus/pci: support MMIO in PCI ioport accessors 谢华伟(此时此刻）
2021-03-11  6:42             ` Wang, Haiyue
2021-03-15 10:19               ` David Marchand
2021-03-15 11:25                 ` 谢华伟(此时此刻）
2021-03-15 13:11                 ` Wang, Haiyue
2021-03-11 11:54           ` [dpdk-dev] [PATCH v11 0/2] support both PIO and MMIO BAR for legacy virito device Wang, Yinan
2021-03-12 14:32             ` David Marchand [this message]
2021-03-15 14:16           ` David Marchand
2021-03-17  8:12             ` 谢华伟(此时此刻）

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