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Posted to issues@cloudstack.apache.org by "Rohit Yadav (JIRA)" <ji...@apache.org> on 2017/12/17 06:57:00 UTC

[jira] [Created] (CLOUDSTACK-10193) SystemVMs/VRs face kernel panic due to OOM on VMware

Rohit Yadav created CLOUDSTACK-10193:
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             Summary: SystemVMs/VRs face kernel panic due to OOM on VMware
                 Key: CLOUDSTACK-10193
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-10193
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
            Reporter: Rohit Yadav
            Assignee: Rohit Yadav
             Fix For: 4.11.0.0


An edge case, systemvms use the guest os type 15 (or Debian 32-bit) which may lead VMware vCenter to not allocate all the RAM (default 256MB) to the guest. Via vCenter it shows that 256MB is allocated, but free -m (or cat /proc/meminfo) revealed that only 157MB was allocate in my testing against VMware 5.5 and 6.5. The fix would be to use a more appropriate guest os type that works for VMware 5.0+, other 64-bit Linux. We cannot use Debian7+ 64-bit as the guest os type is not available on older vCenter.



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