kernel-packages team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

I built a Trusty test kernel with a cherry pick of commit 2a13772.  Can
you give this kernel a test and see if it resolves this bug?  If so, we
can submit an SRU request until the fix comes from upstream.

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1363462/

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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:
  In Progress

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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