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[Xen-API] XCP 1.6 VM.get_all_records API Call hanging

  • To: "xen-api@xxxxxxxxxxxxx" <xen-api@xxxxxxxxxxxxx>
  • From: Dave Avent <Dave.Avent@xxxxxxxxxxxxx>
  • Date: Thu, 3 Jan 2013 11:14:14 +0000
  • Accept-language: en-US
  • Acceptlanguage: en-US
  • Delivery-date: Thu, 03 Jan 2013 11:14:29 +0000
  • List-id: User and development list for XCP and XAPI <xen-api.lists.xen.org>
  • Thread-index: Ac3po3asoRRPEwLFQ9K6evrbyDMfEg==
  • Thread-topic: XCP 1.6 VM.get_all_records API Call hanging


I have been playing with Xen Cloud Platform 1.6 in the lab and have been 
noticing some strange behaviour when using the API to drive it. Using XenCenter 
worked some of the time but then appeared to freeze, not refresh and then on 
re-connecting get stuck on "Synchronising". I put this down to the client 
software and switched instead to writing my own client interface using Ruby and 
the FOG libraries. This worked well but I started seeing the same lock-ups. 
After digging about I realised that it always locks up at the same point namely 
the VM.get_all_records call.

The call is received as the xensource.log shows:

xapi: [debug|xcp-test2|105923 INET|dispatch:VM.get_all_records 
D:7f14fc2bea45|api_readonly] VM.get_all_records

But nothing is received and the clients TCP connection times out.

This problem happens for well over 50% of the calls made to the API so I am 
interested to know if anyone else is having this problem?


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