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From: Damien Le Moal <Damien.LeMoal@wdc.com>
To: "Martin K. Petersen" <martin.petersen@oracle.com>,
	Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: 'LKML' <linux-kernel@vger.kernel.org>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Subject: Re: 5.2.x kernel: WD 8TB USB Drives: Unaligned partial completion (resid=78, sector_sz=512)
Date: Tue, 13 Aug 2019 10:48:43 +0000
Message-ID: <BYAPR04MB58166DE7AFE1081CEDF674BDE7D20@BYAPR04MB5816.namprd04.prod.outlook.com> (raw)
In-Reply-To: <yq1r25p7qzp.fsf@oracle.com>

On 2019/08/12 19:12, Martin K. Petersen wrote:
> 
> Justin,
> 
>>> Attached 2 x brand new Western Digital 8TB USB 3.0 drives awhile back
>>> and ran some file copy tests and was getting these warnings-- is
>>> there any way to avoid these warnings?  I did confirm with parted
>>> that the partition was aligned but this appears to be something
>>> related to the firmware on the device according to [1] and [2]?
> 
>> sg_vpd_bdc.txt
>> Block device characteristics VPD page (SBC):
>>   Nominal rotation rate: 5400 rpm
>>   Product type: Not specified
>>   WABEREQ=0
>>   WACEREQ=0
>>   Nominal form factor: 3.5 inch
>>   ZONED=0
> 
> Damien: What can we do to limit the messages in cases like this? Would
> it make sense to make the residual warning conditional on sd_is_zoned()?
> 

Justin,

Can you send the output of "lsscsi" for these drives ? I need the exact disk
model ref name and FW version to see if there is an update for this problem, if
it is a known one. If it is not, I will signal it and get a fix started.

Best regards.

-- 
Damien Le Moal
Western Digital Research

  parent reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-03  9:10 Justin Piszcz
2019-08-03 11:36 ` Markus Reichelt
2019-08-03 19:00 ` Alan Stern
2019-08-03 19:37   ` Justin Piszcz
2019-08-08  2:03 ` Martin K. Petersen
2019-08-08  8:27   ` Justin Piszcz
2019-08-13  2:12     ` Martin K. Petersen
2019-08-13  3:47       ` Damien Le Moal
2019-08-13 10:48       ` Damien Le Moal [this message]
2019-08-13 20:58         ` Justin Piszcz

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