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[Boris Ostrovsky <1304001@xxxxxxxxxxxxxxxxxx>]

I am not sure the bug should be closed. David's fix made system behavior
tolerable to users (because the error is now only reported once) but the
problem is still there. If possible I'd suggest lowering bug's priority
but keeoping it open.

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https://bugs.launchpad.net/bugs/1304001

Title:
   xen:balloon errors in 14.04 beta

Status in “linux” package in Ubuntu:
  Fix Committed
Status in “linux” source package in Trusty:
  In Progress
Status in “linux” source package in Utopic:
  Fix Committed

Bug description:
  Xen balloon errors on HVM instances on EC2 (Xen 4.2.amazon):


  
  ubuntu@ip-10-63-20-99:~$ uname -a
  Linux ip-10-63-20-99 3.13.0-23-generic #45-Ubuntu SMP Fri Apr 4 06:58:38 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
  ubuntu@ip-10-63-20-99:~$ dmesg  |grep xen
  [    0.000000] xen:events: Xen HVM callback vector for event delivery is enabled
  [    0.494613] xen:balloon: Initialising balloon driver
  [    0.496046] xen_balloon: Initialising balloon driver
  [    0.500077] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [    0.541047] Switched to clocksource xen
  [    0.562579] xen: --> pirq=16 -> irq=8 (gsi=8)
  [    0.562622] xen: --> pirq=17 -> irq=12 (gsi=12)
  [    0.562649] xen: --> pirq=18 -> irq=1 (gsi=1)
  [    0.562673] xen: --> pirq=19 -> irq=6 (gsi=6)
  [    0.562705] xen: --> pirq=20 -> irq=4 (gsi=4)
  [    0.920527] xen: --> pirq=21 -> irq=47 (gsi=47)
  [    0.920596] xen:grant_table: Grant tables using version 1 layout
  [    1.029661] xen_netfront: Initialising Xen virtual ethernet driver
  [    1.236083] xenbus_probe_frontend: Device with no driver: device/vfb/0
  [    2.516067] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [    6.533941] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [   14.560075] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [   30.592064] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [   62.688153] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [   94.752164] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  126.816161] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  158.880084] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  190.944069] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  223.008141] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  255.072112] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  287.136190] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  319.200053] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  351.264164] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  383.328080] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  415.392077] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  447.456112] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  479.520128] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  511.584110] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  543.648181] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  575.712070] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  607.776178] xen:balloon: reserve_additional_memory: add_memory() failed: -17

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