Created attachment 922866 [details]
vdsm log showing the endless loop
Description of problem:
If an image volume chain has a cycle, Image.getChain will loop forever, trying to sort the chain, until all memory is used.
Version-Release number of selected component (if applicable):
master as of 2014-07-31
Steps to Reproduce:
1. Create a cycle in volume parent uuids, for example, change volume parent to itself
getChain looping endlessly
getChain raise an exception since the volume chain is illegal.
Respin from bug 1124498.
Created attachment 923285 [details]
This should help qe to verify this bug.
Nir, do you have any guess how we got ourselves a cycle like that?
See bug 1124498
Verified on vdsm-4.16.2-1.gite8cba75.el6.x86_64
followed the steps to reproduce
oVirt 3.5 has been released and should include the fix for this issue.