** Description changed:

+ [Impact]
+ This bug affects iSCSI when acting as an initiator only.
+ 
+ Works: everything when not using an iSCSI root fs.
+ Works: an iSCSI root fs when not using iSCSI for any other mounts after the 
root fs is mounted.
+ Doesn't work: further iSCSI mounts after using an iSCSI root fs. For example: 
OpenStack won't work on a node using an iSCSI root fs, since OpenStack uses 
further iSCSI mounts.
+ 
+ [Original Description]
+ 
  When starting open-iscsi with an already established session (from
  iscsistart), iscsid tries to reconnect it and fails to do it (wrong
  AuthMethod).
  
  Before Oneiric, a bug prevented iscsid from starting, making it "work"
  when root is on iscsi. That's as long as you don't need to mount another
  lun.
  
  In Oneiric, this bug got fixed, exposing the open-iscsi bug. The
  workaround for now (bug 838809) is to exit the open-iscsi init script
  when detecting we already have a session established from the initramfs.
  
  Ideally, open-iscsi should be able to start, detect that a session is
  already established and either not touch it at all or be able to
  reconnect it with the right settings.

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https://bugs.launchpad.net/bugs/850960

Title:
  iscsid tries to reconnect existing session at startup, failing to do
  so and hanging the system

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