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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 1385123

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/1385123

Title:
  ubuntu 3.13.0-32-generic kernel IO problem

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  1、Cannot set IO scheduler   
  root@VM-132-36-ubuntu:~# echo "deadline" > /sys/block/vda/queue/scheduler               
  root@VM-132-36-ubuntu:~# cat /sys/block/vda/queue/scheduler                             
  none
  2、iostat display high iowait 
  avg-cpu:  %user   %nice %system %iowait  %steal   %idle
             0.09    0.00    0.13    0.15    0.00   99.62

  Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await r_await w_await  svctm  %util
  vda               0.07     0.61    0.77    0.61    15.21    14.03    42.26     0.01 22228.49 23156.92 21049.84   1.47   0.20
  vdb               0.00     0.00    0.02    0.00     0.07     0.00     8.38     0.00  109.49  109.49    0.00   1.99   0.00

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