On Wed, May 18, 2022 at 6:43 AM Maxim Mikityanskiy <maximmi@xxxxxxxxxx> wrote: > > On 2022-05-16 20:17, Maxim Mikityanskiy wrote: > > On 2022-05-11 14:48, Maxim Mikityanskiy wrote: > >> On 2022-05-11 02:59, Andrii Nakryiko wrote: > >>> On Tue, May 10, 2022 at 12:21 PM Maxim Mikityanskiy > >>> <maximmi@xxxxxxxxxx> wrote: > >>>> > >>>> On 2022-05-07 00:51, Andrii Nakryiko wrote: > >>>>> > >>>>> Is it expected that your selftests will fail on s390x? Please check > >>>>> [0] > >>>> > >>>> I see it fails with: > >>>> > >>>> test_synproxy:FAIL:ethtool -K tmp0 tx off unexpected error: 32512 > >>>> (errno 2) > >>>> > >>>> errno 2 is ENOENT, probably the ethtool binary is missing from the > >>>> s390x > >>>> image? When reviewing v6, you said you added ethtool to the CI image. > >>>> Maybe it was added to x86_64 only? Could you add it to s390x? > >>>> > >>> > >>> Could be that it was outdated in s390x, but with [0] just merged in it > >>> should have pretty recent one. > >> > >> Do you mean the image was outdated and didn't contain ethtool? Or > >> ethtool was in the image, but was outdated? If the latter, I would > >> expect it to work, this specific ethtool command has worked for ages. > > > > Hi Andrii, > > > > Could you reply this question? I need to understand whether I need to > > make any changes to the CI before resubmitting. > > I brought up a s390x VM to run the test locally, and there are two > issues with the latest (2022-05-09) s390x image: > > 1. It lacks stdbuf. stdbuf is used by > tools/testing/selftests/bpf/vmtest.sh to run any test, and this is > clearly broken. Hence two questions: > > 1.1. How does CI work without stdbuf in the image? I thought it used the > same vmtest.sh script, is that right? no, CI doesn't use vmtest.sh. vmtest.sh is an approximation of what CI is doing, but it doesn't share the code/scripts (it does use the same kernel config and VM image, though) > > 1.2. Who can add stdbuf to the image (to fix local runs)? > For s390x things I usually ping Ilya. Ilya, can you help here please? > 2. It lacks iptables needed by my test, so if I resubmit my series, it > will fail on the CI again. Who can add iptables to the image? Ditto, I'll defer to Ilya for this. > > I also compared the old (2021-03-24) and the new (2022-05-09) s390x > images, and ethtool was indeed added only after my submission, so that > explains the current CI error. > > > Thanks, > > Max >