** Branch linked: lp:ubuntu/isc-dhcp
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP leases
databases, I think...
Hmm, so I marked this bug invalid b/c I created a new bug 1207102 with
the same changes. This got uploaded anyway and referenced this bug.
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** Changed in: maas (Ubuntu)
Status: Invalid = In Progress
** Changed in: maas (Ubuntu)
Assignee: (unassigned) = Adam Stokes (adam-stokes)
** Changed in: maas (Ubuntu)
Importance: Undecided = Medium
** Changed in: maas (Ubuntu)
Importance: Medium = High
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** Changed in: maas (Ubuntu)
Status: In Progress = Invalid
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP
** Patch added: maas_1.4+bzr1539+dfsg-0ubuntu2.saucy.debdiff
https://bugs.launchpad.net/ubuntu/+source/maas/+bug/1069570/+attachment/3756388/+files/maas_1.4%2Bbzr1539%2Bdfsg-0ubuntu2.saucy.debdiff
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Invalid?!:-P
On 31 July 2013 17:09, Adam Stokes adam.sto...@canonical.com wrote:
** Changed in: maas (Ubuntu)
Status: In Progress = Invalid
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Title:
1
** Branch linked: lp:ubuntu/saucy-proposed/maas
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP leases
databases,
This bug was fixed in the package maas - 1.4+bzr1539+dfsg-0ubuntu2
---
maas (1.4+bzr1539+dfsg-0ubuntu2) saucy; urgency=low
* debian/patches/04-dhcp-lease-conflict.patch:
Sets expiry lease time to 30 seconds (LP: #1069570)
-- Adam Stokes adam.sto...@ubuntu.com Wed, 31 Jul
** Changed in: juju-core
Status: New = Invalid
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP leases
** Changed in: maas
Status: Triaged = Fix Released
** Also affects: maas/1.3
Importance: Undecided
Status: New
** Changed in: maas/1.3
Status: New = Triaged
** Changed in: maas/1.3
Importance: Undecided = Critical
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** Changed in: maas/1.3
Status: Triaged = In Progress
** Changed in: maas/1.3
Assignee: (unassigned) = Julian Edwards (julian-edwards)
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** Branch linked: lp:~julian-edwards/maas/1.3-ignore-client-uids
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP
** Changed in: maas/1.3
Status: In Progress = Fix Committed
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP
Nobuto,
Thanks. Fixing.
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP leases
databases, I think...
To manage
** Branch unlinked: lp:~smoser/ubuntu/precise/isc-dhcp/precise.nouid
** Branch linked: lp:~smoser/ubuntu/precise/isc-dhcp/nouid
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Nobuto,
Thanks again. I just fixed, and
* refreshed against '4.1.ESV-R4-0ubuntu5.8' that is now in precise-updates.
* pushed to lp:~smoser/ubuntu/precise/isc-dhcp/nouid
* uploaded to
https://launchpad.net/~virtual-maasers/+archive/maas-updated-packages
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@Scott Moser,
for the record, I had to tweak the package for precise on PPA[1] to try
the workaround for this issue.
add-option-ignore-client-uids.dpatch was reverted during the build[2].
=
reverting patch add-option-ignore-client-uids from ./ ... ok.
=
I changed the patch order and did
@stgraber, That is a good point. However, I'm not sure it's practical
to bake a solution tied to using iPXE, even if chain loaded, still
requires an initial DHCP lease to be consumed by the firmware PXE
client.
I still maintain that a pretty good direction for this fix is the
ignore-client-uid
** Branch linked: lp:~andreserl/maas/ignore-client-uids
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP leases
** Branch linked: lp:~smoser/ubuntu/precise/isc-dhcp/precise.nouid
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP
I'm declining this for precise and quantal SRU as the fix for this bug
is the addition of a new configuration parameter and parameter number
which is a feature change and therefore not suitable for SRU.
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@stgraber, whilst I am not happy with the latest debdiff.. I do think
this issue requires closer consideration. This is the only way that has
been determined to resolve multiple IP leases per boot (can consume up
to 3 different ones, with some configurations). This means that pools
are quickly
I'm just not convinced that there aren't ways to workaround the issue
that's less invasive than SRUing this change.
Did you consider pattern-matching the client string from iPXE and
setting a 30s lease for those? That should solve your pool exhaustion
problem and is supported syntax from upstream
** Changed in: maas (Ubuntu)
Status: Incomplete = Invalid
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP
This also contains a small change to 00List to fix previous changelog
entry and not have its patch reverted.
** Patch removed: isc-dhcp_4.1.ESV-R4-0ubuntu5.8.precise.debdiff
** Patch removed: isc-dhcp_4.1.ESV-R4-0ubuntu5.8.precise.debdiff
https://bugs.launchpad.net/ubuntu/+source/maas/+bug/1069570/+attachment/3638900/+files/isc-dhcp_4.1.ESV-R4-0ubuntu5.8.precise.debdiff
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This also contains a fix from the previous changelog to modify an
apparmor profile. Patch was removed and applied directly to debian
/apparmor-profile.dhcpd
** Patch added: isc-dhcp_4.1.ESV-R4-0ubuntu5.8.precise.debdiff
The above debdiff resolves the 00list issues for bug
https://bugs.launchpad.net/ubuntu/+source/isc-dhcp/+bug/1057358
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Title:
1
** Description changed:
Guys,
- During my new tests, I tried to create two nodes simultaneously (both
+ During my new tests, I tried to create two nodes simultaneously (both
via DHCP + PXE, not by clicking +Add node) and I hit this problem:
- Same MAC Address, two different IPs:
+
** Patch added: isc-dhcp_4.1.ESV-R4-0ubuntu5.6.1.precise.debdiff
https://bugs.launchpad.net/ubuntu/+source/maas/+bug/1069570/+attachment/3631196/+files/isc-dhcp_4.1.ESV-R4-0ubuntu5.6.1.precise.debdiff
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** Description changed:
- Guys,
-
- During my new tests, I tried to create two nodes simultaneously (both
- via DHCP + PXE, not by clicking +Add node) and I hit this problem:
+ [Impact]
+ During my new tests, I tried to create two nodes simultaneously (both via
DHCP + PXE, not by clicking
** Patch removed: isc-dhcp_4.1.ESV-R4-0ubuntu5.6.1.precise.debdiff
https://bugs.launchpad.net/ubuntu/+source/maas/+bug/1069570/+attachment/3631196/+files/isc-dhcp_4.1.ESV-R4-0ubuntu5.6.1.precise.debdiff
** Patch removed: isc-dhcp_4.2.4-1ubuntu10.1.quantal.debdiff
** Patch added: isc-dhcp_4.2.4-1ubuntu10.3.quantal.debdiff
https://bugs.launchpad.net/ubuntu/+source/maas/+bug/1069570/+attachment/3631785/+files/isc-dhcp_4.2.4-1ubuntu10.3.quantal.debdiff
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This bug was fixed in the package isc-dhcp - 4.2.4-5ubuntu2
---
isc-dhcp (4.2.4-5ubuntu2) raring; urgency=low
* debian/patches/add-option-ignore-client-uids.patch:
Add a new dhcpd.conf option 'ignore-client-uids'. (LP: #1069570)
-- Scott Moser smo...@ubuntu.com Thu, 14 Mar
To go further, upstream seem to be hostile to this in principle, each
time the matter is raised - as it isn't RFC compliant. Inversely,
dnsmasq has this option in core.
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To update the ticket, I've reproduced using 12.10 KVM machines (have
attached tcpdump and leases file as requested).
As described previously, iPXE gets a different IP address to the OS
image. Seems iPXE sends a DHCP client-id parameter and the OS doesn't.
The current version of isc-dhcp-server
** Attachment added: tcpdump trace
https://bugs.launchpad.net/maas/+bug/1069570/+attachment/3558513/+files/dump.pcap
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Title:
** Attachment added: dhcpd leases file
https://bugs.launchpad.net/maas/+bug/1069570/+attachment/3558514/+files/dhcpd.leases
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Hi,
rbasak asked me to update status here, so I'll try to do that.
The branches linked to this bug contain a patch and fix that works for me.
There are also packages in the ppa at
https://launchpad.net/~virtual-maasers/+archive/maas-updated-packages .
I'd like to hear back from others as
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: isc-dhcp (Ubuntu)
Status: New = Confirmed
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** Also affects: isc-dhcp (Ubuntu)
Importance: Undecided
Status: New
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Title:
1 MAC Address, two IPs - DNS is out of
** Branch linked: lp:~smoser/ubuntu/quantal/isc-dhcp/nouid
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP leases
** Branch linked: lp:~smoser/ubuntu/raring/isc-dhcp/nouid
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP leases
This looks like it's BIOS-dependent then, which explains why some of us
weren't able to recreate it.
** Changed in: maas
Status: Incomplete = Triaged
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Nice to see that this BUG affects more people! =P
I am completely out of time to test this even more... I'm doing my PoC with
Openstack Folsom on Ubuntu 12.04...
Sorry to not tell you guys that on my test (#20), that I was testing MaaS under
a KVM Virtual Machine...
Best,
Thiago
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I'm also seeing this in a virtual maas deployment we are testing; when
the KVM instances boot the PXE boot gets one IP address lease and then
the OS gets a second lease with a different IP address.
Result is that the dhpd leases file contains two ip addresses for each
MAC address; order appears
** Changed in: maas (Ubuntu)
Status: Expired = Incomplete
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP
I've reopened this, it is affecting juju-core, it's very easy to
reproduce (at least on virtual hardware), just see #20.
** Also affects: juju-core
Importance: Undecided
Status: New
** Changed in: maas
Status: Expired = Confirmed
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#20 is exactly what happens in the MAAS QA lab every day. I don't
believe that this bug has been seen there.
Regardless of that, I'd really like to see a tcpdump of all DHCP, ARP
and ICMP traffic as requested in #15.
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Anyone who is affected, please can you paste all the information
requested in #15. Please also say which versions of every package you
are using.
Robie - it could be a bug that's fixed in the code awaiting SRU. We are
not testing older packages in the lab.
** Changed in: maas
Status:
[Expired for maas (Ubuntu) because there has been no activity for 60
days.]
** Changed in: maas (Ubuntu)
Status: Incomplete = Expired
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[Expired for MAAS because there has been no activity for 60 days.]
** Changed in: maas
Status: Incomplete = Expired
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Title:
Hello Thiago
It is incomplete because we cannot recreate it. Hence we're waiting for
you to provide the information requested in comment #15.
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** Changed in: maas (Ubuntu)
Status: New = Incomplete
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP leases
Sorry to hear that Thiago. Please come back when you are ready to try
again.
** Changed in: maas
Status: Triaged = Incomplete
** Changed in: maas
Milestone: 12.10-stabilization = None
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Hi!
After upgrading, I can't find that permission denied message again...
But, the dhcpd still gives two IPs for 1 MAC (only for my second node),
look:
Oct 23 11:15:02 seed1 dhcpd: DHCPDISCOVER from 52:54:00:79:f2:d0 via eth0
Oct 23 11:15:03 seed1 dhcpd: DHCPOFFER on 192.168.50.2 to
And now, before clicking Accept and commission...
IP back to 192.168.50.2...
Oct 23 11:18:32 seed1 dhcpd: uid lease 192.168.50.2 for client
52:54:00:79:f2:d0 is duplicate on 192.168.48.0/20
Oct 23 11:18:32 seed1 dhcpd: DHCPDISCOVER from 52:54:00:79:f2:d0 via eth0
Oct 23 11:18:32 seed1 dhcpd:
Hi!
Instead of using this Ready node but, with wrong IP, I chose to
disable the DNS Managed mode (I'll stay only DHCP for now)...
And after deleting the nodes, I saw this:
== /var/log/maas/celery.log ==
[2012-10-23 11:55:40,852: ERROR/MainProcess] Task
Thank you for the excellent feedback Thiago. I think we've got a
problem with the permanent host mapping on your DHCPD, which is odd
because I've not seen that happening before. I'll ask a few people for
thoughts on this.
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AWESOME!!! ^_^
I'm here to try to make Ubuntu even better!! :-D
Also, let me know if you guys wants to access my test server to debug it, I can
give root access to it without any problem.
Regards,
Thiago
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Guys,
I don't know if this error message is related to this problem or not,
so, I'm posting it here...
ERROR 2012-10-23 12:30:41,440 maas.maasserver
Exception: File not found
ERROR 2012-10-23 12:30:41,543 maas.maasserver
MAASAPINotFound: File not found
This is caused when the media files (in MEDIA_ROOT) have been removed
but the maas database entry is still referring to them. I presume
you're seeing it when using juju?
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Can you please paste your /etc/maas/dhcpd.conf file.
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Title:
1 MAC Address, two IPs - DNS is out of sync with DHCP leases
Also can you re-run the whole thing from scratch and while doing it run
tcpdump:
sudo tcpdump -nieth0 -w/tmp/dump.pcap -s0 arp or icmp or port 67 or port
68
(assuming eth0 is the right interface)
Please paste the output from tcpdump and the resulting leases file.
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We suspect that your pool of addresses in DHCPD is conflicting with some
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Title:
1 MAC Address, two IPs - DNS
My /etc/maas/dhcpd.conf file:
subnet 192.168.48.0 netmask 255.255.240.0 {
next-server 192.168.63.250;
filename pxelinux.0;
option subnet-mask 255.255.240.0;
option broadcast-address 192.168.63.255;
option domain-name-servers 192.168.63.250;
option routers
Well, guys, I give up.
Hope next year (13.04) MaaS and Juju becomes STABLE.
Right now, it is useless. I just wipe out all the data I have. No more MaaS /
Juju for me.
Regards,
Thiago
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** Also affects: maas
Importance: Undecided
Status: New
** Changed in: maas
Status: New = Triaged
** Changed in: maas
Importance: Undecided = Critical
** Changed in: maas
Milestone: None = 12.10-stabilization
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Actually, I think you're seeing two distinct problems here:
- The first one is that the default hostname picked up during enlistment
is IP-based and thus it assumes that the IP lease will stay the same.
If the lease changes, this change is not reflected in the DNS config
because this is resolved
Raphael, how can I monitor the AppArmor log files?!
Using aa-logprof ?
I'm sorry, I don't know nothing about AppArmor yet...
Tks!
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The apparmor error(s) would be in /var/log/syslog. For instance, if I
manually change the apparmor maas dhcp.d profile so that the lease file
can't be read I get this in /var/log/syslog :
http://paste.ubuntu.com/1297221/
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** Summary changed:
- 1 MAC Address, two IPs - DNS is out of sync with DHCP leases databases, I
think...
+ 1 MAC Address, two IPs - DNS is out of sync with DHCP leases databases, I
think...
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I think I found something related to this problem...
After start enlisting my second node, I saw this on my syslog:
---
Oct 22 00:58:34 seed1 dhcpd: DHCPDISCOVER from 52:54:00:7a:58:42 via eth0
Oct 22 00:58:35 seed1 dhcpd: DHCPOFFER on 192.168.50.2 to 52:54:00:7a:58:42 via
eth0
Oct 22 00:58:36
Hi!
Do you guys think that this is a good idea:
sudo adduser dhcpd maas
chmod 775 /var/lib/maas/dhcp
to avoid the error:
Oct 22 00:58:36 seed1 dhcpd: Can't create new lease file: Permission
denied - ### PROBLEM!!! ###
Where is the source of this problem?! It appear only one in my syslog...
Hi!
Every time I start a new node via DHCP / PXE (no by adding it by
clicking +Add node), I say this:
--
Oct 22 02:43:24 seed1 dhcpd: DHCPDISCOVER from 52:54:00:8c:59:8a via eth0
Oct 22 02:43:25 seed1 dhcpd: DHCPOFFER on 192.168.50.4 to 52:54:00:8c:59:8a via
eth0
Oct 22 02:43:26 seed1 dhcpd:
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