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[Piyush <piyushgarg80@xxxxxxxxx>]

Public bug reported:

Installed 15.04 32 bit flavor desktop on Thinkpad W540 and T420

after resume from suspend
>_  dd if=/dev/zero of=/tmp/speed_test bs=10M count=10
10+0 records in
10+0 records out
104857600 bytes (105 MB) copied, 37.8204 s, 2.8 MB/s

to resume to disk speed back 
>_  sync; echo 3 | sudo tee /proc/sys/vm/drop_caches

>_  dd if=/dev/zero of=/tmp/speed_test bs=10M count=10
10+0 records in
10+0 records out
104857600 bytes (105 MB) copied, 0.263862 s, 397 MB/s

mentioned here as well
http://ubuntuforums.org/showthread.php?t=2237026

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: disk resume slow suspend

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https://bugs.launchpad.net/bugs/1468640

Title:
  disk slow after resume from suspend

Status in compiz package in Ubuntu:
  New

Bug description:
  Installed 15.04 32 bit flavor desktop on Thinkpad W540 and T420

  after resume from suspend
  >_  dd if=/dev/zero of=/tmp/speed_test bs=10M count=10
  10+0 records in
  10+0 records out
  104857600 bytes (105 MB) copied, 37.8204 s, 2.8 MB/s

  to resume to disk speed back 
  >_  sync; echo 3 | sudo tee /proc/sys/vm/drop_caches

  >_  dd if=/dev/zero of=/tmp/speed_test bs=10M count=10
  10+0 records in
  10+0 records out
  104857600 bytes (105 MB) copied, 0.263862 s, 397 MB/s

  mentioned here as well
  http://ubuntuforums.org/showthread.php?t=2237026

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