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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 1337290

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/1337290

Title:
  A lot of rcu_sched rcu_bh deteced stalls on cpu

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu kernel 3.2.0-29-generic

  
  [207025.816028] INFO: rcu_sched detected stalls on CPUs/tasks: { 2 4 8 16 22} (detected by 13, t=15004 jiffies)
  [207026.112031] INFO: rcu_bh detected stalls on CPUs/tasks: { 0 2 4 5 8 12 16 18 22} (detected by 3, t=15004 jiffies)
  [207205.972022] INFO: rcu_sched detected stalls on CPUs/tasks: { 2 4 8 16 22} (detected by 13, t=60043 jiffies)
  [207206.244029] INFO: rcu_bh detected stalls on CPUs/tasks: { 0 2 4 5 8 12 16 18 22} (detected by 15, t=60036 jiffies)
  [207386.100028] INFO: rcu_sched detected stalls on CPUs/tasks: { 2 4 8 16 22} (detected by 13, t=105075 jiffies)
  [207386.448023] INFO: rcu_bh detected stalls on CPUs/tasks: { 0 2 4 5 8 12 16 18 22} (detected by 21, t=105088 jiffies)
  [207566.308029] INFO: rcu_sched detected stalls on CPUs/tasks: { 2 4 8 16 22} (detected by 21, t=150127 jiffies)
  [207566.664018] INFO: rcu_bh detected stalls on CPUs/tasks: { 0 2 4 5 8 12 16 18 22} (detected by 3, t=150142 jiffies)
  [207746.520028] INFO: rcu_sched detected stalls on CPUs/tasks: { 2 4 8 16 22} (detected by 15, t=195180 jiffies)
  [207746.872031] INFO: rcu_bh detected stalls on CPUs/tasks: { 0 2 4 5 8 12 16 18 22} (detected by 21, t=195194 jiffies)
  [207926.728033] INFO: rcu_sched detected stalls on CPUs/tasks: { 2 4 8 16 22} (detected by 11, t=240232 jiffies)
  [207927.084020] INFO: rcu_bh detected stalls on CPUs/tasks: { 0 2 4 5 8 12 16 18 22} (detected by 13, t=240246 jiffies)
  [208106.936017] INFO: rcu_sched detected stalls on CPUs/tasks: { 2 4 8 16 22} (detected by 11, t=285284 jiffies)
  [208107.296023] INFO: rcu_bh detected stalls on CPUs/tasks: { 0 2 4 5 8 12 16 18 22} (detected by 21, t=285299 jiffies)

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