On Thu, Feb 7, 2019 at 2:17 AM Ian Kumlien <ian.kuml...@gmail.com> wrote: > > On Thu, Feb 7, 2019 at 2:01 AM Saeed Mahameed <sae...@dev.mellanox.co.il> > wrote: > > On Wed, Feb 6, 2019 at 3:00 PM Ian Kumlien <ian.kuml...@gmail.com> wrote: > > > It changes directly after the first hw checksum failure, I don't know why > > > =/ > > > > weird, Maybe a real check-summing issue/corruption on the PCI ?! > > Actually, it seems to have been introduced in 4.20.6 - 4.20.5 works just fine >
Great, the difference is only 120 patches. that is bisect-able, it will only take 5 iterations to find the offending commit. > Just FYI, my dmesg testcase: > time ssh <server> "dmesg && exit > real 3m5.845s > user 0m0.035s > sys 0m0.041s > > > can you try turning off checksum offloads > > ethtool -K ethX rx off > > same test: > real 0m3.408s > user 0m0.022s > sys 0m0.032s > > So yes, something in 4.20.6 goes wrong on the receiving part :/