From: "Hu, Xuekun" <xuekun.hu@intel.com>
To: "Yigit, Ferruh" <ferruh.yigit@intel.com>,
Shijith Thotton <shijith.thotton@caviumnetworks.com>,
"Yang, Qiming" <qiming.yang@intel.com>,
Gregory Etelson <gregory@weka.io>
Cc: "dev@dpdk.org" <dev@dpdk.org>, "Tan, Jianfeng" <jianfeng.tan@intel.com>
Subject: Re: [dpdk-dev] vf init issue with patch igb_uio: issue FLR during open and release of device file
Date: Wed, 13 Sep 2017 14:25:57 +0000 [thread overview]
Message-ID: <88A92D351643BA4CB23E303155170626630E6054@SHSMSX103.ccr.corp.intel.com> (raw)
In-Reply-To: <95faf7af-367a-ff42-ed16-b8bf3fdea466@intel.com>
I met the same issue too, only with i40e 2.1.26 PF kernel driver.
-----Original Message-----
From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Ferruh Yigit
Sent: Wednesday, September 13, 2017 7:04 PM
To: Shijith Thotton <shijith.thotton@caviumnetworks.com>; Yang, Qiming <qiming.yang@intel.com>; Gregory Etelson <gregory@weka.io>
Cc: dev@dpdk.org; Tan, Jianfeng <jianfeng.tan@intel.com>
Subject: Re: [dpdk-dev] vf init issue with patch igb_uio: issue FLR during open and release of device file
On 9/13/2017 11:48 AM, Shijith Thotton wrote:
> On Wed, Sep 13, 2017 at 07:51:30AM +0000, Yang, Qiming wrote:
>> Hi, Shijith
>>
>>
>>
>> VF init error will happen after apply your patch, error log as below. If
>> revert your commit, all things work well. And this issue is not only occur
>> in i40 VF but also ixgbe.
>>
>> Could you help to check it soon?
>>
>>
>>
>> [root@localhost app]# ./testpmd -c 7 -n 4 -- -i
>>
>> EAL: Detected 10 lcore(s)
>>
>> EAL: No free hugepages reported in hugepages-1048576kB
>>
>> EAL: Probing VFIO support...
>>
>> EAL: WARNING: cpu flags constant_tsc=yes nonstop_tsc=no -> using
>> unreliable clock cycles !
>>
>> EAL: PCI device 0000:00:03.0 on NUMA socket -1
>>
>> EAL: Invalid NUMA socket, default to 0
>>
>> EAL: probe driver: 8086:154c net_i40e_vf
>>
>> i40evf_init_vf(): init_adminq failed: -53
>>
>> i40evf_dev_init(): Init vf failed
>>
>> EAL: Requested device 0000:00:03.0 cannot be used
>>
>>
>>
>> commit b58eedfc7dd57eef6d12e2c654a52c834f36084a
>> Author: Shijith Thotton <shijith.thotton@caviumnetworks.com>
>> Date: Fri Jul 7 16:43:51 2017 +0530
>>
>> igb_uio: issue FLR during open and release of device file
>>
>> Set UIO info device file operations open and release. Call pci reset
>> function inside open and release to clear device state at start and end.
>> Copied this behaviour from vfio_pci kernel module code. With this patch,
>> it is not mandatory to issue FLR by PMD's during init and close.
>>
>> Bus master enable and disable are added in open and release respectively
>> to take care of device DMA.
>>
>> Signed-off-by: Shijith Thotton <shijith.thotton@caviumnetworks.com>
>> Reviewed-by: Jianfeng Tan <jianfeng.tan@intel.com>
>> Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>
>> Acked-by: Gregory Etelson <gregory@weka.io>
>>
>>
>>
>> Best Regard,
>>
>> Yang Qiming
>>
>>
>
> Hi Yang Qiming,
>
> We didn't face this issue while preparing patch. I think, Gregory
> tested it for Intel NICs. Adding more people to the loop for help.
>
I will try to reproduce the issue.
> Shijith
>
next prev parent reply other threads:[~2017-09-13 14:26 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-13 7:51 Yang, Qiming
2017-09-13 10:48 ` Shijith Thotton
2017-09-13 11:03 ` Ferruh Yigit
2017-09-13 14:25 ` Hu, Xuekun [this message]
2017-09-13 17:06 ` Ferruh Yigit
2017-09-13 19:44 ` Patil, Harish
2017-09-15 8:04 ` Yang, Qiming
2017-09-15 8:42 ` Thomas Monjalon
2017-09-15 9:18 ` Yang, Qiming
2017-09-15 9:25 ` Ferruh Yigit
2017-09-15 9:31 ` Shijith Thotton
2017-09-17 2:49 ` Gregory Etelson
2017-09-18 2:21 ` Yang, Qiming
2017-09-18 2:39 ` Zhang, Helin
2017-09-18 3:50 ` Yang, Qiming
2017-09-18 6:49 ` Shijith Thotton
2017-09-18 19:33 ` Ferruh Yigit
2017-09-18 22:43 ` Patil, Harish
2017-09-14 3:16 ` Yang, Qiming
2017-09-14 7:00 ` Shijith Thotton
2017-09-14 7:15 ` Shijith Thotton
2017-09-14 1:23 ` Yang, Qiming
2017-09-19 10:24 ` [dpdk-dev] [PATCH] igb_uio: remove PCI reset during uio device open Shijith Thotton
2017-09-20 16:52 ` Ferruh Yigit
2017-09-21 10:00 ` Luca Boccassi
2017-09-22 2:47 ` Yang, Qiming
2017-09-29 12:57 ` Wu, Jingjing
2017-10-02 18:24 ` Shijith Thotton
2017-10-03 11:35 ` Gregory Etelson
2017-10-13 14:36 ` Shijith Thotton
2017-10-13 14:51 ` [dpdk-dev] [PATCH] igb_uio: revert open and release operations Thomas Monjalon
2017-10-13 21:05 ` Ferruh Yigit
2017-10-13 21:11 ` Thomas Monjalon
2017-10-13 21:17 ` Thomas Monjalon
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