Re: [Xen-devel] BUG: jumbo frames broken after commit xen-netfront: Fix race between device setup and open

2018-06-20 Thread Liam Shepherd
> The patch "xen-netfront: Fix race between device setup and open" seems > to have introduced a regression preventing setting MTU's larger than > 1500. We experienced this downstream with Container Linux and > confirmed with Fedora 28 as well. > > It's commit f599c64fdf7d9c108e8717fb04bc41c680120da

Re: [Xen-devel] PROBLEM: xen-netfront: ethtool settings changed in 4.4.134 causing packet loss

2018-06-07 Thread Liam Shepherd
Thank you. As a side point David Vrabel is listed in the maintainers file for xen hypervisor interface in 4.4.135 but his email is no longer active it seems. On 7 Jun 2018 09:35, "Ross Lagerwall" wrote: On 06/05/2018 04:43 PM, Liam Shepherd wrote: > When upgrading from 4.4.132

[Xen-devel] PROBLEM: xen-netfront: ethtool settings changed in 4.4.134 causing packet loss

2018-06-05 Thread Liam Shepherd
When upgrading from 4.4.132 to 4.4.135 I started observing about 3% packet loss on PV on HVM domU interfaces. Specifically TX dropped packets (As reported by ifconfig). It seems that the default ethtool settings have changed. Previously (4.4.132): tx-checksumming: on tx-checksum-ipv4: on [fix