[Bug 567143] Re: system hangs in shutdown if open-iscsi is working

[Launchpad Bug Tracker]

*** This bug is a duplicate of bug 541512 ***
    https://bugs.launchpad.net/bugs/541512

** Changed in: open-iscsi (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/567143

Title:
  system hangs in shutdown if open-iscsi is working

Status in “open-iscsi” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: open-iscsi

  With open-iscsi 2.0.871-0ubuntu4 in Ubuntu lucid beta 1, the system hangs in shutdown process with the following message.
  --------
  init: Disconnected from system bus 
  [ 5184.361085]  connection1:0: ping timeout of 5 secs expired, recv timeout 5, last rx 4295455639, last ping 4295456139, now 4295456639 
  [ 5392.060481] INFO: task sync:4155 blocked for more than 120 seconds. 
  [ 5392.060802] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. 
  [ 5511.846759] INFO: task sync:4155 blocked for more than 120 seconds. 
  [ 5511.847078] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. 
  (2 lines repeated)
  --------

  When I stop open-iscsi by '/etc/init.d/open-iscsi stop' and then
  execute shutdown, it succeeds without hang-up.

  I'm using 1 iSCSI target by 'node.startup = automatic' in iscsid.conf.  The iSCSI connection itself works well in operation.
  The target is connected via 'br1v100' network interface, which is a bridge device on 'bond1.100', which is VLAN#100 on 'bond1', which uses eth2 and eth6.

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