On Sat, Jan 14, 2017 at 12:56 AM, Tom Herbert <t...@herbertland.com> wrote: > On Fri, Jan 13, 2017 at 2:45 PM, Saeed Mahameed > <sae...@dev.mellanox.co.il> wrote: >> On Sat, Jan 14, 2017 at 12:06 AM, Tom Herbert <t...@herbertland.com> wrote: >>> Btw, we did hit one issue in the backport. We started to get rx csum >>> faults (checksum complete value indicates TCP checksum is bad, but >>> host computation says checksum is good). I ran against 4.9 upstream >>> kernel and do see these, however don't see them in 4.10. I haven't >>> bisected yet. Is this a known issue? >>> >> >> Not to me, I don't recall any csum related fixes or feature submitted >> lately to mlx5, >> Maybe something changed in the stack ? >> >> what configuration are you running ? what traffic ? >> > Nothing fancy. 8 queues and 20 concurrent netperf TCP_STREAMs trips > it. Not a lot of them, but I don't think we really should ever see > these errors. >
Hi Tom I've been trying to repro with no luck with kernel v4.9. I am looking for checksum errors in dmesg, is that the place where you saw the errors ? can you dump the error in here ?
