Ubuntu
linux package

  1. Bug #727459
  2. Comment #0

Comment 0 for bug 727459

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Doug Mitchell (doug-heroku) wrote : TSC is not reliable undex Xen on some Intel CPUs

Ubuntu 10.04.2 LTS
Ubuntu 2.6.32-312.24-ec2 2.6.32.27+drm33.12
Linux 2.6.32-312-ec2 #24-Ubuntu SMP Fri Jan 7 18:30:50 UTC 2011 x86_64 GNU/Linux

We are experiencing impossibly high (thousands of days) accumulated CPU times for processes in ps and top when using the above kernel on Amazon EC2.

Instances running on Intel E5430 are fine, while instances on E5507 all seem to have the problem.
Please see also https://bugzilla.kernel.org/show_bug.cgi?id=16314

Thanks,
Doug