Public bug reported:
On proposed 4.13.0-1001.1 linux-azure kernel reloading the netvsc module
will cause the VM network to stop working on WS2016.
Manual repro is easy, start a VM with that kernel and run:
modprobe -r hv_netvsc
modprobe hv_netvsc
At this point the command will hang and after 2 minutes the hung task
messages will appear.
Test env info:
- ubuntu 16.04.3
- Affected platforms: WS2016 and WS2016 fall update - 1709
4.11 series linux-azure are not showing this behavior.
This seems to affect only WS2016, and it is functional on WS2012R2.
** Affects: linux-azure (Ubuntu)
Importance: Undecided
Status: New
** Tags: hyper-v
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https://bugs.launchpad.net/bugs/1735546
Title:
[hyper-v] reloading netvsc issue on linux-azure 4.13.0-1001.1
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