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From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: John Garry <john.garry@huawei.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
	Ming Lei <ming.lei@redhat.com>,
	"chenxiang \(M\)" <chenxiang66@hisilicon.com>,
	"James E.J. Bottomley" <jejb@linux.vnet.ibm.com>,
	"linux-scsi\@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"linux-block\@vger.kernel.org" <linux-block@vger.kernel.org>,
	Linuxarm <linuxarm@huawei.com>,
	Steffen Maier <maier@linux.ibm.com>
Subject: Re: DIF/DIX issue related to config CONFIG_SCSI_MQ_DEFAULT
Date: Tue, 04 Dec 2018 21:22:35 -0500	[thread overview]
Message-ID: <yq1ftvcsoes.fsf@oracle.com> (raw)
In-Reply-To: <45193ec6-6398-3953-4833-88ca2057971a@huawei.com> (John Garry's message of "Tue, 4 Dec 2018 12:33:37 +0000")


John,

> OK, great. Happy to help. So far we have hisi_sas fio issue to go on
> plus knowledge that this issue seems to be exposed/triggered by
> enabling SCSI MQ.

I'll have to go revisit the archives for your exact fio bits.

But I successfully ran our DIX/T10 PI qualification tooling without any
errors on the latest SCSI tree. On both scsi_debug and FC hardware.

> My colleague chenxiang also tried DIF on 3008 with our same platform,
> and we are seeing an issue there also; here's a snippet:

Reproduced this. Turns out to be a recently introduced bug that
exclusively affects DIF-only setups (so primarily mpt3sas due to lack of
DIX support). It's a regression caused by a commit that went in through
block a few months ago. I'll send a patch...

-- 
Martin K. Petersen	Oracle Linux Engineering

  parent reply	other threads:[~2018-12-05  2:22 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-27  9:55 DIF/DIX issue related to config CONFIG_SCSI_MQ_DEFAULT chenxiang (M)
2018-11-27 13:08 ` Ming Lei
2018-11-28  3:37   ` chenxiang (M)
2018-11-29 18:17     ` Ming Lei
     [not found]   ` <6c573f36-60d8-0631-e9ac-dacd72f6c8ad@hisilicon.com>
2018-11-29  0:54     ` Ming Lei
2018-11-30  1:19     ` Ming Lei
2018-11-30 11:26       ` John Garry
2018-12-04  3:55         ` Martin K. Petersen
     [not found]           ` <45193ec6-6398-3953-4833-88ca2057971a@huawei.com>
2018-12-05  2:22             ` Martin K. Petersen [this message]
2018-12-05 15:27               ` John Garry
2018-12-06  4:22                 ` Martin K. Petersen
2018-12-06 17:33                   ` John Garry
2018-12-07  3:20                     ` Martin K. Petersen
2018-12-05  2:56       ` Martin K. Petersen
2018-11-27 20:22 ` Ewan D. Milne
2018-11-28  3:11   ` chenxiang (M)

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