According to [1], the :u quirk mentioned in this bug is equivalent to US_FL_IGNORE_UAS, which completely disables uas. The US_FL_NO_ATA_1X quirk can be specified in modprobe.conf as :t. I'm not sure what that quirk does. [1] https://en.opensuse.org/SDB:USB_3.0_Hard_Drive_troubleshooting
Unfortunately I can't test this against my STEA1000400 as it is currently in off-site storage, but I'll try this when I get it back. -- You received this bug notification because you are a member of Kernel 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) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1584557/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
