This bug was fixed in the package linux - 4.4.0-157.185
---
linux (4.4.0-157.185) xenial; urgency=medium
* linux: 4.4.0-157.185 -proposed tracker (LP: #1837476)
* systemd 229-4ubuntu21.22 ADT test failure with linux 4.4.0-156.183 (storage)
(LP: #1837235)
- Revert
I can confirm the fix is included in the kernel "4.4.0-152.179":
https://kernel.ubuntu.com/git/ubuntu/ubuntu-
xenial.git/tree/include/linux/hyperv.h?h=Ubuntu-4.4.0-152.179
I installed the kernel, did some network tests, and it worked fine for
me:
#apt-get install linux-image-4.4.0-152-generic
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
xenial' to 'verification-done-xenial'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu Xenial)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1826416
Title:
[Xenial] Customer can not SSH to Linux VM due to "VSC
https://lists.ubuntu.com/archives/kernel-team/2019-May/100675.html
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https://bugs.launchpad.net/bugs/1826416
Title:
[Xenial] Customer can not SSH to Linux VM due to "VSC State
** Description changed:
+ [Impact]
+
A mutual customer is reporting ssh is not working on a Xenial based VM.
This VM is running the 4.4 based Xenial kernel and not a custom linux-
azure kernel.
After an investigation this is a known old signaling issue. The 4.4
based Xenial kernels
When the issue happens, there is no error message in dmesg or syslog,
and it's just the host side NetVSP driver stops reading from the guest-
to-host ring, and the guest network stops working. So we don't really
have any logs to provide here.
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