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A solution to I/O errors on some external USB 3 HDD enclosures [HDD USB 3 error I/O UAS USB] 2020-06-16 16:51 How to solve I/O errors on some external USB 3 HDD enclosures

I bought several Inatek fe 3001 USB HDD enclosures for my backups.

This model is reported like this by $ lsusb:

ID 174c:55aa ASMedia Technology Inc. Name: ASM1051E SATA 6Gb/s bridge, ASM1053E SATA 6Gb/s bridge, ASM1153 SATA 3Gb/s bridge, ASM1153E SATA 6Gb/s bridge

Suddenly I got read error from input device (I/O error) from $ dmesg and then the filesystem unmounted automatically.

I tried:

  • remounting the filesystem
  • swapping cables
  • swapping enclosures
  • formatting the hard drives with a different filesystem,

Nohing worked.

Apparently, to get the thing working, you must disable UAS (USB Attached SCSI) for this particular chipset.


If you use Syslinux as the bootloader and certain kernels:

  1. add the following kernel parameter to the APPEND line in /boot/syslinux/syslinux.cfg:

  2. reboot

  3. run $ lsusb -t and check that the Driver entry now reads usb-storage instead of uas

This works for example with Parabola GNU/Linux-libre.

Some websites say to blacklist the module within /etc/modprobe.d. That depends on your kernel.