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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Xenial)
       Status: New => In Progress

** Changed in: linux (Ubuntu Xenial)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu Xenial)
     Assignee: (unassigned) => Joseph Salisbury (jsalisbury)

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https://bugs.launchpad.net/bugs/1743053

Title:
  libata: apply MAX_SEC_1024 to all LITEON EP1 series devices

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Xenial:
  In Progress
Status in linux source package in Artful:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  Some SSD drives made by LiteOn can crash the kernel due to bad
  drivers.  A fix for this issue has been submitted upstream:
  https://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git/commit/?h=for-4.15-fixes

  LITEON EP1 has the same timeout issues as CX1 series devices.

  Revert max_sectors to the value of 1024.

  'e0edc8c54646 ("libata: apply MAX_SEC_1024 to all CX1-JB*-HP
  devices")'

  Signed-off-by: Xinyu Lin <xinyu0123@xxxxxxxxx>
  Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
  Cc: stable@xxxxxxxxxxxxxxx

  
  At a high level the root cause of this problem is that the device only supports commands with a transfer size up to 512KB.  This worked fine with older versions of Linux but newer versions are attempting commands with a transfer size of 1280KB which is problematic for this device (LITEON EP1-KB480)

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