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From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: "Justin Piszcz" <jpiszcz@lucidpixels.com>
Cc: "'Martin K. Petersen'" <martin.petersen@oracle.com>,
	"'LKML'" <linux-kernel@vger.kernel.org>,
	<linux-usb@vger.kernel.org>, <linux-scsi@vger.kernel.org>,
	Damien Le Moal <Damien.LeMoal@wdc.com>
Subject: Re: 5.2.x kernel: WD 8TB USB Drives: Unaligned partial completion (resid=78, sector_sz=512)
Date: Mon, 12 Aug 2019 22:12:42 -0400
Message-ID: <yq1r25p7qzp.fsf@oracle.com> (raw)
In-Reply-To: <002d01d54dc3$17c278c0$47476a40$@lucidpixels.com>


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()?

-- 
Martin K. Petersen	Oracle Linux Engineering

  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 [this message]
2019-08-13  3:47       ` Damien Le Moal
2019-08-13 10:48       ` Damien Le Moal
2019-08-13 20:58         ` Justin Piszcz

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