FWIW, I changed my notebook and reinstalled 18.04.2 64-bit on the new machine. I then plugged my 4 external disks (see comment #6) to the new machine. And much to my dismay, when plugged into USB 3.x ports, the disks didn't mount... It did on USB 2.0 ports, though.
Looking at sysdev reminded me of this problem I had experienced in 2016 on the same devices, and the same fix worked just as well: - Creating a "blacklist-uas-on-quirks.conf" in /etc/modprobe.d and - Adding the line options usb-storage quirks=059f:105e:u,059f:107e:u in the file to blacklist uas for the two listed devices and use usb-storage instead. That fixed it for me. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1584557 Title: Seagate external drive causes SCSI bus resets when UAS enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1584557/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
