Public bug reported:

Binary package hint: open-iscsi

Trying to upgrade ubuntu from 10.04.2 to 10.10 on a machine with iSCSI-
root.

When dpkg reconfigures open-iscsi, it logs out of all iscsi-targets,
root disapears and the machine hang.  (I can see on the iSCSI-server
that there are no initiators logged in to this target any longer)

Debian has solved this by letting the open-iscsi init.d script check if
initramfs is configured for iscsi, and if true, not logging out.

http://osdir.com/ml/debian-bugs-dist/2010-02/msg00064.html

I tried patching the init.d-script in ubuntu the same way, but it didn't
help.  (This is as far as my understanding of iSCSI and dpkg trigger
scripts goes...)

Last messages before crash:

$ sudo dpkg --debug=20133 --configure open-iscsi
[sudo] password for ladmin: 
Setting up open-iscsi (2.0.871-0ubuntu5) ...
D020000: trigproc_activate_packageprocessing pkg=open-iscsi
D000002: fork/exec /var/lib/dpkg/info/open-iscsi.postinst ( configure 
2.0.871-0ubuntu4 )
update-initramfs: deferring update (trigger activated)
update-rc.d: warning: open-iscsi stop runlevel arguments (0 1 6) do not match 
LSB Default-Stop values (0 6)
 * Starting iSCSI initiator service iscsid                               [ OK ] 
ln: target `/lib/init/rw/sendsigs.omit.d/' is not a directory: No such file or 
directory
 * Setting up iSCSI targets 

This might be related to several other bugs:

        677333  open-iscsi: reconnecting to targets fails with kernel >2.6.32 
due to sysfs changes
        669142  if-up.d/if-down.d scripts restart iSCSI inappropriately 
        656722  install to iscsi hdd not possible
        639618  Network drivers are loaded too late on netboot (tested with 
iSCSI)
        638976  open-iscsi update prevents shutdown on iscsiboot

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: open-iscsi 2.0.871-0ubuntu5
ProcVersionSignature: Ubuntu 2.6.32-26.48-generic 2.6.32.24+drm33.11
Uname: Linux 2.6.32-26-generic x86_64
Architecture: amd64
Date: Fri Mar 25 16:52:33 2011
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: open-iscsi

** Affects: open-iscsi (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug maverick

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https://bugs.launchpad.net/bugs/742579

Title:
  configuring open-iscsi crash computer

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