> On 26 Jan 2018, at 12:37 AM, gcstang <1584...@bugs.launchpad.net> wrote:
> 
> Also obc2:2322 Backup Plus Hub 6TB
> 
> uname -sr
> Linux 4.14.15-1
> 
> 
> If I set modprob.d/local_quirks.conf then it doesn't error but it's SUPER 
> SLOW:

That’s expected, UAS is the “fast” mode specifically designed for this
kind of device.

Did you see any USB related message when this issue happens in dmesg?

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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1584557

Title:
  Seagate external drive causes SCSI bus resets when UAS enabled

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Seagate STEA1000400 external USB hard disk (USB ID 0bc2:2322) causes
  continuous SCSI bus resets by default. As a workaround, disabling UAS
  causes the device to work fine.

  To disable UAS, I created a file in /etc/modprobe.d with the following 
contents:
  options usb-storage quirks=0bc2:02322:u

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.14
  ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
  Uname: Linux 4.4.0-22-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  CrashDB: ubuntu
  Date: Sun May 22 22:02:26 2016
  InstallationDate: Installed on 2012-10-07 (1323 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 
(20120822.4)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2016-04-09 (43 days ago)

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