[Bug 1192464] Re: udp checksum computed as 0 not converted to 0xffff, from guest os that share a common linux bridge among multiple guest os

Fixed: commit 0dacea92d26c31d453c58de2e99c178fee554166 Author: Ed Swierk Date: Thu Nov 16 06:06:06 2017 -0800 net: Transmit zero UDP checksum as 0x The checksum algorithm used by IPv4, TCP and UDP allows a zero value to be represented by either 0x and 0x. But per R

[Bug 1192464] Re: udp checksum computed as 0 not converted to 0xffff, from guest os that share a common linux bridge among multiple guest os

Question is where is this zero checksum observed which is not clear from the report. If in the guest it is certainly correct. If in the host it is correct so long as the bridge appears to have checksum offloading as well. If whatever interface the guest packets appear to come from is not set up w

[Bug 1192464] Re: udp checksum computed as 0 not converted to 0xffff, from guest os that share a common linux bridge among multiple guest os

Sorry, I meant "bug tickets", of course, not "buck tickets" ... need more coffee... -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1192464 Title: udp checksum computed as 0 not converted to 0x,

[Bug 1192464] Re: udp checksum computed as 0 not converted to 0xffff, from guest os that share a common linux bridge among multiple guest os

Triaging old buck tickets ... can you still reproduce this issue with the latest version of QEMU? Is it only happening with e1000 or also with other NICs? What kind of network backend are you using (--netdev user ? tap ? ). Could you please provide the full command line that you use to run QEMU