From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: Has anyone seen this? Date: Tue, 14 Apr 2015 14:18:21 -0400 Message-ID: References: <552D45B5.1040801@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from aserp1040.oracle.com ([141.146.126.69]:18195 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753293AbbDNSSZ (ORCPT ); Tue, 14 Apr 2015 14:18:25 -0400 In-Reply-To: <552D45B5.1040801@dev.mellanox.co.il> (Sagi Grimberg's message of "Tue, 14 Apr 2015 19:52:05 +0300") Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Sagi Grimberg Cc: linux-scsi , "martin.petersen@oracle.com" >>>>> "Sagi" == Sagi Grimberg writes: Sagi, Sagi> scsi_debug $modprobe scsi_debug dif=1 dix=1 Sagi> scsi_debug: host protection DIF1 DIX1 Sagi> sd 9:0:0:0: [sdc] Enabling DIF Type 1 protection This looks odd. dix specifies the host protection mask. A value of 1 is "DIF Type 1" so DIX should never get enabled. But I'll take a look... -- Martin K. Petersen Oracle Linux Engineering