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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

@Jason, can you test the kernel posted in comment #5?

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https://bugs.launchpad.net/bugs/1363462

Title:
  Crucial M550 1TB SSD missing from NCQ TRIM blacklist

Status in The Linux Kernel:
  Unknown
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I own a Crucial/Micron M550 1TB SSD which does has data loss when using NCQ TRIM.
  The current Ubuntu Trusty kernel has a blacklist which matches all M550 SSDs except the 1024 GB (1 TB) version because the matching pattern is limited to 3 digits for size. Upstream Linux has fixed this bug already:

  https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2a13772a144d2956a7fedd18685921d0a9b8b783

  Please try to get this merged and tell me where I can start an
  installation with a fixed kernel so I won't have a corrupt disk
  already on the end of the installation. Thanks!

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