** Changed in: cloud-init (Ubuntu Trusty)
Status: New => In Progress
** Changed in: cloud-init (Ubuntu Trusty)
Assignee: (unassigned) => Dan Watkins (daniel-thewatkins)
** Changed in: cloud-init (Ubuntu)
Status: In Progress => Invalid
** Changed in: cloud-init (Ubuntu)
Attached is a debdiff for trusty (the only affected version).
** Patch added: "lp1551419.debdiff"
https://bugs.launchpad.net/ubuntu/vivid/+source/cloud-init/+bug/1551419/+attachment/4587505/+files/lp1551419.debdiff
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** Description changed:
On Azure, cloud-init relies on the system-uuid as based by SMBIOS a
unique ID for a cloud instance. If this ID ever changes, then cloud-
init will attempt to reprovision the VM.
This recent kernel patch in the Ubuntu kernel incorrectly modifies the
endianness
** Also affects: linux-keystone (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-keystone (Ubuntu Vivid)
Status: New => Invalid
** Changed in: linux-keystone (Ubuntu)
Status: New => Invalid
** Changed in: linux-keystone (Ubuntu Trusty)
Status: New
** Changed in: linux-lts-utopic (Ubuntu Trusty)
Importance: Undecided => Critical
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https://bugs.launchpad.net/bugs/1551419
Title:
Fix UUID endianness patch
** Also affects: linux-lts-utopic (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-lts-utopic (Ubuntu Vivid)
Status: New => Invalid
** Changed in: linux-lts-utopic (Ubuntu Trusty)
Status: New => Fix Committed
** Changed in: linux-lts-utopic (Ubuntu Trusty)
** Changed in: linux (Ubuntu Trusty)
Importance: Undecided => Critical
** Changed in: linux (Ubuntu Vivid)
Importance: Undecided => Critical
** Changed in: linux (Ubuntu Trusty)
Assignee: (unassigned) => Luis Henriques (henrix)
** Changed in: linux (Ubuntu Vivid)
Assignee:
It seems the Utopic kernel is impacted as well, I tested
3.16.0-62-generic released on 2/27. I thought that kernel was EOL. Can
we revert the fix here as well?
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** Description changed:
On Azure, cloud-init relies on the system-uuid as based by SMBIOS a
unique ID for a cloud instance. If this ID ever changes, then cloud-
init will attempt to reprovision the VM.
- This recent kernel patch in the Ubuntu kernel corrects the endianness
- for some
** Changed in: linux (Ubuntu Vivid)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1551419
Title:
Fix UUID endianness patch breaks cloud-init
** Changed in: linux (Ubuntu Trusty)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1551419
Title:
Fix UUID endianness patch breaks
** Also affects: linux (Ubuntu Vivid)
Importance: Undecided
Status: New
** Also affects: cloud-init (Ubuntu Vivid)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: cloud-init (Ubuntu Trusty)
** Changed in: linux (Ubuntu)
Assignee: Dan Watkins (daniel-thewatkins) => (unassigned)
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https://bugs.launchpad.net/bugs/1551419
Title:
Fix UUID endianness
** Changed in: cloud-init (Ubuntu)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1551419
Title:
Fix UUID endianness patch breaks cloud-init on
So in addition to a kernel fix, we will first need to release a cloud-
init that will handle the endian-ness of instance IDs changing
underneath it.
This is because the kernel is already out in the wild, so we will have
some instances that have booted with the new UUID and the kernel fix
will
OK, I'm shifting this back to linux, because I think that the commit
that was backported is fixing a problem in a commit that _wasn't_
backported, therefore causing the issue. Here are the details:
In 95be58df7 [0], support for SMBIOS 3 was added, which introduces a
third version field (i.e.
** Changed in: cloud-init (Ubuntu)
Assignee: (unassigned) => Dan Watkins (daniel-thewatkins)
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https://bugs.launchpad.net/bugs/1551419
Title:
Fix UUID
Hi Dan,
This issue does not repro with the latest Wily kernel, but it should,
right? Can you help me understand why?
This is just testing on Hyper-V:
# uname -r
4.2.0-30-generic
# cat /sys/class/dmi/id/product_uuid && dmidecode -s system-uuid
** Tags added: kernel-da-key
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https://bugs.launchpad.net/bugs/1551419
Title:
Fix UUID endianness patch breaks cloud-init on Azure
To manage notifications about
OK, so I've done a bit of digging.
As of SMBIOS 2.6 (released in 2008), the first three fields of the UUID
are well-defined as being encoded in little-endian. Before that, they
could be encoded in "network byte order" (i.e. big-endian) if people
felt like it.
Presumably enough people did feel
Azure has suggested that the test is simple:
$ [ $(sudo cat /sys/class/dmi/id/product_uuid) == $(sudo dmidecode -s
system-uuid) ] || echo This system has the UUID bug
** Branch unlinked: lp:~utlemming/cloud-init/lp1551419
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** Branch linked: lp:~utlemming/cloud-init/lp1551419
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https://bugs.launchpad.net/bugs/1551419
Title:
Fix UUID endianness patch breaks cloud-init on Azure
To
** Package changed: linux (Ubuntu) => cloud-init (Ubuntu)
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Title:
Fix UUID endianness patch breaks cloud-init on Azure
To
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