[pve-devel] proxmox6 : vhost_net experimental_zcopytx=1 bug?
w.bumiller at proxmox.com
Wed Aug 21 09:31:04 CEST 2019
On Tue, Aug 20, 2019 at 11:32:57AM +0200, Alexandre DERUMIER wrote:
> Some users have reported vm start timeout on proxmox6
> and for at least 2 of them,
> the vhost_net module option experimental_zcopytx=0 have fixed it.
I do not really see the connection, though... O.o
Could also be an issue with our systemd related code, or with systemd's
scope handling (yet again)...
> It was enable by default since 2012, so maybe regression somewhere. (also redhat disable it by default)
> It seem than in kernel 5.1, the value has been rollback to 0
> Not sure if this patch could be backported in proxmox 5.0 kernel ?
Makes sense IMO. After all it's an upstream decision made due to known issues.
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