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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1382335

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1382335

Title:
  mdadm+lvm+cryptsetup+big disks: "bio too big device"

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I installed two new 6TB disks (WD Red) as RAID1 and pmove'd stuff over from old
  5x3TB RAID10 array to it (actually the move is still in progress, going to take some
  17 hours or so) and I get lots of these (4971 so far) in dmesg:

  [58693.807553] bio too big device dm-7 (664 > 8)
  [58694.037060] bio too big device dm-7 (1024 > 8)

  Looks like an old kernel bug that was supposedly fixed in 2012:
  https://lkml.org/lkml/2012/10/15/398

  The LV that apparently triggered that is 3TB in size (90% full) and
  encrypted with cryptsetup.

  I don't know if this is reproducible but I can try - it'd just take some
  two days every time (starting with restoring 3TB from backup).

  Ubuntu 14.04.1, 3.13.0-37-generic x86_64 kernel,
  Intel DQ57TM mobo, LSI 9211-8i SAS/SATA controller.

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