This bug was fixed in the package open-iscsi - 2.0.871-0ubuntu1
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open-iscsi (2.0.871-0ubuntu1) lucid; urgency=low
* New upstream release.
* If the root filesystem is on iSCSI, prevent the network interface used
for it from being brought up or down automatically (LP: #457767
** Changed in: open-iscsi (Ubuntu Karmic)
Status: New => Invalid
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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** Also affects: open-iscsi (Ubuntu)
Importance: Undecided
Status: New
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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Workaround working correctly. My test install can now boot from gPXE
using an iscsi drive as its root file system.
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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This bug was fixed in the package partman-iscsi - 7
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partman-iscsi (7) karmic; urgency=low
* Work around netcfg/choose_interface not always being set, breaking our
workaround for network interface configuration issues when the root
filesystem is on iSCSI (LP: #457767).
** Branch linked: lp:~ubuntu-core-dev/partman-iscsi/ubuntu
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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** Package changed: open-iscsi (Ubuntu Karmic) => partman-iscsi (Ubuntu
Karmic)
** Changed in: partman-iscsi (Ubuntu Karmic)
Status: Confirmed => In Progress
** Changed in: partman-iscsi (Ubuntu Karmic)
Assignee: (unassigned) => Colin Watson (cjwatson)
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karmic: iSCSI root: boot ha
I can demonstrate quite straightforwardly that this is not a kernel bug.
All that it takes to make the system boot cleanly is to change 'iface
eth0 inet dhcp' to 'iface eth0 inet manual' in /etc/network/interfaces.
I'm looking into a better solution.
** Changed in: linux (Ubuntu Karmic)
St
I'm not convinced that this is a kernel bug. I think that we have not
been careful enough to stop Upstart tearing the network interface down
and setting it back up again at boot, and that as a result the root
filesystem has gone away.
Alt-Sysrq-w just says "SysRq : Show Blocked State".
The target
Looking at the iscsitarget kernel component it seems to be based on r214
of the upstream repository. Looking at that repository there are a number
of fixes there-in but none seem obviously related to the hangs reported.
Looking at the original report and comparing that to Mathias' its not 100%
ce
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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Attaching a tar file with a replacement /etc/init that I used to get
enough started so i can ssh in. I currently don't have time to step
through the init system
I've only tested modifying rc.conf to respond to run levels 0 and 6 and
tty[1-6].conf
Actually this might be as simple as revising /etc/
I didn't get any kernel messages like that when running on hardware, I
need to turn on debugging?
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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** Attachment added: "oops-3.png"
http://launchpadlibrarian.net/34380636/oops-3.png
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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ubunt
** Attachment added: "oops-5.png"
http://launchpadlibrarian.net/34380651/oops-5.png
** Changed in: debian-installer (Ubuntu Karmic)
Assignee: Mathias Gug (mathiaz) => (unassigned)
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
You received th
** Attachment added: "oops-4.png"
http://launchpadlibrarian.net/34380649/oops-4.png
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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** Attachment added: "oops-2.png"
http://launchpadlibrarian.net/34380633/oops-2.png
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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** Attachment added: "oops-1.png"
http://launchpadlibrarian.net/34380631/oops-1.png
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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ubunt
I'm not sure this is related to init scripts. If I disable open-iscsi
init script (exit 0) the boot process hangs a little bit later. It seems
to be related to a kernel bug.
I'd also add that on my system I see an oops and IRQ 11 is being
disabled. I've attached some screen shots of the boot proce
** Attachment added: "iscsi-root-failure-2.png"
http://launchpadlibrarian.net/34380034/iscsi-root-failure-2.png
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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** Attachment added: "iscsi-root-failure-1.png"
http://launchpadlibrarian.net/34380032/iscsi-root-failure-1.png
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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Marking the bug confirmed as I've been able to reproduce it in a
kvm+libvirt environment using gPXE to boot off the iscsi target.
To reproduce, you'll need two guests and manage the dhcp server
configuration (to send specific dhcp option to the iscsi initiator
system).
Using libvirt:
1. Create a
** Changed in: debian-installer (Ubuntu Karmic)
Status: New => Confirmed
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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Clicking the reply button in my email (sorry if this splatters)
I isolated the problem to be something in the init system by adding
break=init to the kernel command line, and then chrooting into /root
chroot root
mount / -o remount,rw
chroot root /sbin/getty 38400 tty2
I can log in and even do a
Creating a non-root iscsi initiator system (ie client) with open-iscsi:
1. sudo apt-get install open-iscsi
2. Discover the iscsi target:
sudo iscsiadm -m discovery -t sendtargets -p [IP|HOSTNAME]_OF_TARGET
3. Login into the remote iscsi target:
sudo iscsiadm -m node -T TARGET_NAME -p IP:PORT -l
Creating an iscsi target system with the iscsitarget package:
1. sudo apt-get install iscsitarget
2. Create a 2 GB file (/srv/disk1) to be served via iscsi:
sudo dd if=/dev/zero of=/srv/disk1 bs=1000 count=200
3. Enable iscsi target in /etc/default/iscsitarget.
4. Configure the iscsi target
** Changed in: debian-installer (Ubuntu Karmic)
Assignee: (unassigned) => Mathias Gug (mathiaz)
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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I think this bug should be filed against the init scripts.
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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** Changed in: debian-installer (Ubuntu Karmic)
Importance: Undecided => High
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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** Also affects: debian-installer (Ubuntu Karmic)
Importance: Undecided
Status: New
** Changed in: debian-installer (Ubuntu Karmic)
Milestone: None => ubuntu-9.10
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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Might this affect open-iscsi instead?
What can be done to get this fixed in time for release? Or will the
line about root on iSCSI being supported need to be stricken from the
Release Notes?
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
You received
** Attachment added: "Physical screen cap of iscsi startup errors"
http://launchpadlibrarian.net/34123729/iscsi-start-fail.jpg
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karmic: iSCSI root: boot hangs on starting iscsid
https://bugs.launchpad.net/bugs/457767
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