Resending to the correct bug (#1082081)
On Wed, Sep 18, 2024 at 10:19:28AM +0200, Salvatore Bonaccorso wrote:
> Hi David, hi Emanuel,
>
> On Wed, Sep 18, 2024 at 08:29:54AM +0200, David Prévot wrote:
> > Control: clone -1 -2
> > Control: reopen -2
> > Control: found -2 linux/6.1.106-3
> > Control: retitle -2 Performance issues on VM (virtio)
> >
> > Hi,
> >
> > Le Mon, Sep 16, 2024 at 11:37:07AM +0000, Kocher Emanuel, Bedag a écrit :
> > […]
> > > We still see issues with linux/6.1.106-3 in combination with virtio.
> >
> > Thanks for the feedback.
> >
> > > Network performance is down to ~4 Mb/s measured with iperf3 instead of
> > > ~8 Gb/s (with linux/6.1.99-1 respectively 6.1.0-23-amd64). It is
> > > reproducible and booting the previous kernel resolves the issue.
> >
> > Our network team also noticed performance issues, roughly 20 to 30%
> > increase speed on packages download once we reverted to 6.1.0-23-amd64
> > on a mirror we host. Not sure it’s exactly the same issue as the one
> > initially reported, hence the clone, but I agree there is still an issue
> > with the current stable kernel.
>
> Thanks for reporting back. I will try to reproduce it so we can test
> against newer 6.1.y kernels as well. Do you have reproducers available
> to show it?
>
> Regards,
> Salvatore
