Bug 60686

Summary:	USB 3.0 disks do not mount
Product:	SCSI Drivers	Reporter:	Martin Ziegler (ziegler)
Component:	Other	Assignee:	scsi_drivers-other
Status:	NEW ---
Severity:	normal	CC:	peter, szg00000
Priority:	P1
Hardware:	x86-64
OS:	Linux
Kernel Version:	v3.11-rc3-376-g72a67a9	Subsystem:
Regression:	Yes	Bisected commit-id:

Description Martin Ziegler 2013-08-04 07:57:03 UTC

My USB-disk
             SCSI Disk
             product: External USB 3.0
             vendor: TOSHIBA
             physical id: 0.0.0
             bus info: scsi@6:0.0.0
             logical name: /dev/sdb
             version: 0201
             serial: D010A553
             size: 465GiB (500GB)
             configuration: ansiversion=6 sectorsize=512

cannot be mounted. /dev/g2 exists, but udev does not generate /dev/sdb.
This seems to be the bug discussed in http://www.spinics.net/lists/stable/msg15978.html. As described there, the bugs goes away if one reverts 

  commit 66c28f97120e8a621afd5aa7a31c4b85c547d33d
  Author: Martin K. Petersen <martin.petersen@oracle.com>
  Date:   Thu Jun 6 22:15:55 2013 -0400

    [SCSI] sd: Update WRITE SAME heuristics

Comment 1 Peter Wu 2013-08-06 09:28:49 UTC

Duplicate of bug 60685