Ubuntu 19.04 reached end of life on January 23, 2020. I am therefore
marking this bug 'wontfix' for that release.
** Changed in: linux (Ubuntu Disco)
Status: Confirmed => Won't Fix
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Try HyperV command, you will see hv-kvp-daemon service exit with KVP:
read failed; error:9 Bad file descriptor
Disable-VMIntegrationService -Name "Key-Value Pair Exchange" -VMName
$VMName -ComputerName $hvServer
Kernel version -
11/21/2019 07:10:21 : [INFO ] Old kernel: 4.15.0-38-generic
** Tags added: cscc
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Title:
[Hyper-V] KVP daemon crashes at startup
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I've filed a new bug for the kvp daemon not starting on disco:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1820063
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Title:
[Hyper-V]
I am not able to reproduce the crash on bionic. There is an issue on
disco, but it's not a crash, but a failure to start the daemon as
mentioned in comment 16. As this appears to be a different issue, I can
open a new bug.
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I wasn't able to reproduce it in hyper-v or in azure using the 4.15.0-45
generic kernel.
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Title:
[Hyper-V] KVP daemon crashes at startup
To
Does it also happen with the lastest generic bionic kernel (4.15.0-45)?
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Title:
[Hyper-V] KVP daemon crashes at startup
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Sorry for the delay. That might be a dependency problem on the KVP
systemd service. I will run some tests locally. Can you confirm if the
problem also happens with the linux-azure kernel?
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** Also affects: linux (Ubuntu Disco)
Importance: High
Assignee: Marcelo Cerri (mhcerri)
Status: Confirmed
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Title:
[Hyper-V] KVP
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Marcelo Cerri (mhcerri)
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => Marcelo Cerri (mhcerri)
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** Changed in: linux (Ubuntu)
Status: In Progress => Confirmed
** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Confirmed
** Changed in: linux (Ubuntu)
Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
** Changed in: linux (Ubuntu Bionic)
Assignee:
Could this be a race condition with the device file creation and start
of the hv-kvp-daemon.service?
[from /var/log/syslog]
Jan 16 10:26:45 kvp-disco-test systemd[1]: Started Hyper-V KVP Protocol Daemon.
...
Jan 16 10:26:45 kvp-disco-test KVP: KVP starting; pid is:213
Jan 16 10:26:45
** Tags added: id-5c17e732a66adc67521fc988
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Title:
[Hyper-V] KVP daemon crashes at startup
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On Wed, Dec 19, 2018 at 04:10:45PM -, Joseph Salisbury wrote:
> Are you able to manually able to start the daemon after seeing that the
> file exists?
Yes.
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Are you able to manually able to start the daemon after seeing that the
file exists?
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Title:
[Hyper-V] KVP daemon crashes at startup
To manage
Yep, I have now done so:
$ ls -la /dev/vmbus/hv_kvp
crw--- 1 root root 10, 55 Dec 18 22:31 /dev/vmbus/hv_kvp
Joe, I've also imported your SSH keys in to ubuntu@test-
slgyvlgaldgcyzqkzuoz.cloudapp.net if there's any other poking around you
want to do.
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Do you have a way to pause a test, so you can access the instance? It
would be good to know if the file actually exists:
ls -l /dev/vmbus/hv_kvp
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This was from our test suite, so I don't have direct access to an
instance, but using the manifest, it is:
$ grep tools ~/manifest.txt
bcache-tools 1.0.8-3
dosfstools 4.1-2
initramfs-tools 0.131ubuntu15
initramfs-tools-bin
Hi Dan,
Can you confirm the tools packages are installed? Please paste the output of:
dpkg -l | grep tools
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Title:
[Hyper-V] KVP daemon
On disco, we're seeing the following in the cloud image testing:
Dec 17 19:37:43 jenk-ituzztgzwdxjesafyoft KVP: KVP starting; pid is:204
Dec 17 19:37:43 jenk-ituzztgzwdxjesafyoft KVP: open /dev/vmbus/hv_kvp failed;
error: 2 No such file or directory
Dec 17 19:37:43 jenk-ituzztgzwdxjesafyoft
Are you able to manually download the .deb packages from those pages and
used dpkg to install them:
sudo dpkg -i linux-image-4.14.0-13-generic_4.14.0-13.15_amd64.deb
sudo dpkg -i linux-image-extra-4.14.0-13-generic_4.14.0-13.15_amd64.deb
If we cant install earlier kernels, we may have to used a
Another good test would be to see if this bug is still happening on
newer releases such as Cosmic or even Disco.
Thanks
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Title:
[Hyper-V] KVP
Missed the reply on this thread, my apologies.
I tried now to install the packages from those ppa's, however apt will not
detect the kernels.
I've added the ppa repo and did an #apt update, but apt will then not detect
neither of the kernels, so I mus t be doing something wrong.
On another
Would it be possible for you to test some prior kernels to see if we can
bisect this issue down? If so, the following kernels would be a good
starting point:
Artful:
https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/ppa/+build/15007007
Early Bionic:
We haven't seen it in Xenial, but we managed to reproduce it back to the
daily Bionic build from the 2nd of March. We haven't tested Bionic daily
builds before the 2nd of March, nor did I try to reproduce it on Zesty
or or Artful.
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We were discussion if this specific bug was a regression in bug 1766857.
Do you recall prior kernel versions that did not have this specific
issue? If so, we can perform a bisect to narrow down what commit
introduced this.
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Also
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[Hyper-V] KVP daemon crashes at startup
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I have tested this on kernel 4.15.0-24.26 and linux-cloud-tools
4.15.0-24.26 and the issue persists.
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Title:
[Hyper-V] KVP daemon crashes at
** Package changed: linux-azure (Ubuntu) => linux (Ubuntu)
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Title:
[Hyper-V] KVP daemon crashes at startup
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