Bug#820862: xen-hypervisor-4.4-amd64: Xen VM on Jessie freezes often with INFO: task jbd2/xvda2-8:111 blocked for more than 120 seconds

Package: xen-hypervisor-4.4-amd64 Version: 4.4.1-9+deb8u4 Severity: grave Justification: renders package unusable Dear Maintainer, * What led up to the situation? Running Backup Exec or a copy command to NFS-Share causes the VM regurarly to freeze. First message on VM-Console:

Bug#647011: update

guess that does not help a lot spawned a shell using /sbin/getty 38400 tty2 . Afterwards is could access tty2. So far so good. Then i switched back to tty1 and executed exec /sbin/init single - freeze kind regards, c.k.