where do I file a bug with xenial 4.4.0-66-generic issue on a kvm hypervisor ?

[Robie Basak]

Hi Eliezer,

On Mon, Mar 13, 2017 at 11:52:14AM +0200, Eliezer Croitoru wrote:
> And worked fine for quite some time.
> The latest Xenial kernel from the upgrade (4.4.0-66-generic) causes a very
> specific issue.
> VM's with virtio nic cannot contact the network.(e1000 works fine)
> I have not delved to see if tcpdump sees the packets or something similar in
> the hypervisor level and bumped the kernel to 4.6 which I have tested long
> ago to work fine.
> 
> Where do I file the bug report?
> I am pretty sure it's a very series bug but not sure who should be aware of
> it and how to debug if it's a machine local one or a wider issue.

Thank you for this report.

You should be able to verify that the bug is in the kernel by switching
only the version of the kernel to see if you can introduce and fix the
bug as you switch kernels. If this turns out to be correct, please file
a bug against the "linux" package (you can use
https://bugs.launchpad.net/ubuntu/+source/linux/+filebug) and tag it
"regression-update".

Thanks!
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