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Description of problem: There is a flaw in the libvirt python demo program for events which can lead to a deadlock: http://www.redhat.com/archives/libvir-list/2011-January/msg00921.html VDSM has a copy of this code as libvirtev.py and so should apply this same fix too. Version-Release number of selected component (if applicable): vdsm-4.9-12.2.x86_64 How reproducible: Non-deterministically Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
Opps, wrong hyperlink. This is the correct one http://www.redhat.com/archives/libvir-list/2011-January/msg01131.html
after talking to Dan, verified the bug as follows: - started about 30 vms - killed all vms using pkill - all qemu processes died after a seconds [root@rhev-i32c-01 tmp]# pgrep qemu 6902 16297 47818 65964 66246 66435 66817 67058 67451 67779 68109 68419 68849 69090 69495 69941 70242 [root@rhev-i32c-01 tmp]# pkill qemu [root@rhev-i32c-01 tmp]# pgrep qemu 47818 68849 69090 69941 70242 [root@rhev-i32c-01 tmp]# pgrep qemu vdsm-4.9-47.el6.x86_64