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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 1266737

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/1266737

Title:
  error sda: WRITE SAME failed when installing package

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Description:
  ==========
  Was installing perl packages using apt-get install command. I saw WRITE SAME failed displayed during the process.

  Command used : apt-get install perl* 
  on my Ubuntu guest to install all perl packages.

  I saw the message as below
  .
  .
  .
  .
  Setting up perlindex (1.606-1) ...
  Generating index (this may take a while)...sda: WRITE SAME failed. Manually zeroing.
   done.

  it took few seconds to complete  and later on the process continued.

  
  Environment:
  ============

  Host: Power8
  Guest : ubuntu hosted on Power8

  used below qemu command :

  [root@localhost ubuntu_alpha1]# cat kvmg.p8.h
  KERNEL=trusty-server-cloudimg-ppc64el-vmlinuz-generic
  #FSIMAGE=trusty-server-cloudimg-ppc64el.img
  FSIMAGE=trusty-server-cloudimg-ppc64el.img.qcow2
  MEM=8G
  qemu-system-ppc64 \
          -enable-kvm -M pseries -cpu POWER8 -smp cores=4,threads=1 -m $MEM \
          -net nic -net user \
          -device spapr-vscsi -drive file=$FSIMAGE \
          -kernel $KERNEL \
          -append "earlyprintk root=/dev/sda console=hvc0 --no-sessions" \
          -nographic

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