[Bug 1639666] Re: install to iscsi root needs kernel args, fails shutdown

[Kevin Otte]

I found the problem in the installer and have filed a separate bug
against it. This turned out to be a lousy bug report, but hopefully my
flailing can save someone some pain down the road.


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

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Title:
  install to iscsi root needs kernel args, fails shutdown

Status in open-iscsi package in Ubuntu:
  Invalid

Bug description:
  For this system, a pure network boot was not practical, so USB storage
  for the EFI System Partition and /boot are used.

  Steps to reproduce:
  - Use Ubuntu Server installer to log in to iSCSI target
  - Install ESP and /boot on local USB (sda1,2)
  - Install swap and /on resulting block device (sdb1,2)
  - Reboot after install

  Expected result:
  - System boots

  Actual result:
  - iscsistart in the initramfs is unable to connect to the target, failing with the error:
    iscsistart: cannot make a connection to 0.0.10.46:0 (-1,22)

  Workaround:
  - Append
    iscsi_target_ip=2606:a000:a449:5900::4 iscsi_target_port=3260
    to the kernel command line

  The system now boots.

  When attempting to shut down the system, it hangs at
    Stopping Raise network interfaces...
  and kernel messages
    connection1:0: ping timeout...
  begin appearing due to the network being ripped out from under iSCSI.

  I attempted to add _netdev to the options in fstab as suggested by
  research, but this proved ineffective.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: open-iscsi 2.0.873+git0.3b4b4500-14ubuntu3.1
  ProcVersionSignature: Ubuntu 4.4.0-45.66-generic 4.4.21
  Uname: Linux 4.4.0-45-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  Date: Sun Nov  6 20:14:19 2016
  InstallationDate: Installed on 2016-11-07 (0 days ago)
  InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: open-iscsi
  UpgradeStatus: No upgrade log present (probably fresh install)

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