[pve-devel] proxmox6 : vhost_net experimental_zcopytx=1 bug?

Alexandre DERUMIER aderumier at odiso.com
Tue Aug 20 11:32:57 CEST 2019


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.

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 ?

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