--- Comment From gowrishanka...@in.ibm.com 2018-02-27 02:09 EDT---
With ubuntu 17.10 as kvm hypervisor, I could not reproduce this problem, so it
seems to be fixed.
Below is the default offload configurations for the virtio-net nic.
dev@zesty:~$ ethtool -k enp0s3
Features for enp0s3:
--- Comment From gowrishanka...@in.ibm.com 2017-08-08 05:28 EDT---
This bug is reproducible with ubuntu 17.04 (host and guests of same version).
Disabling tx csum is the only work around as observed earlier.
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--- Comment From lagar...@br.ibm.com 2017-08-07 08:12 EDT---
Hi James,
Any updates on this one?
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https://bugs.launchpad.net/bugs/1629053
Title:
ovs bridge breaking TCP between
--- Comment From gowrishanka...@in.ibm.com 2016-10-03 10:23 EDT---
Interesting. I ensured that, ovs and kernel upto date, but of no luck. OVS
backed virtual nic still fail to establish tcp with tx on. Here is xml for this
port:
Wrt your xml, I don't think having a dhcp network
--- Comment From gowrishanka...@in.ibm.com 2016-09-30 02:40 EDT---
Irrespective of default csum on/off, having csum=on breaks tcp as
checksum_unnecessary / relevant protocol header flag not passed in higher stack
, an so tcp eventually drop syn. Could you please check with tx=on enforced
