RHEV upgrade from 4.0 to 4.1 with RHEL 5 Guest VM's

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We are upgrading our RHEV environment from version 4.0 to 4.1 and we faced an issue with RHEV-H with version 4.1 and Legacy RHEL 5 Guest VM's.

The issue is that when we migrate rhel5 guest VM's to RHEV-H with version 4.1, in those VM's have persistent hangs while executing su - or su - . If we migrate this same vm's to RHEV-H 4.0 this issue disappears.

We've performed several tests without luck and had to stop our upgrade due to this problem… Have anyone experienced similar issues, or is there any known incompatibility with rhel 5 guests and rhev 5.1 hosts ?

Best Regards,


I have the same issue and when i rebooted the VMs they start to work otherwise i've got 100% usage.