I believe we can either modify ci.sh to disable parallel compression for i386, or modify .gitlab/gen_ci.hs and .gitlab/jobs.yaml to disable XZ_OPT=-9 for i386.
On Wed, Sep 28, 2022 at 1:21 PM Bryan Richter <bryan@haskell.foundation> wrote: > > Aha: while i386-linux-deb9-validate sets no extra XZ options, > nightly-i386-linux-deb9-validate (the failing job) sets "XZ_OPT = 9". > > A revert would fix the problem, but presumably so would tweaking that option. > Does anyone have information that would lead to a better decision here? > > > On Wed, Sep 28, 2022 at 2:02 PM Cheng Shao <cheng.s...@tweag.io> wrote: >> >> Sure, in which case pls revert it. Apologies for the impact, though >> I'm still a bit curious, the i386 job did pass in the original MR. >> >> On Wed, Sep 28, 2022 at 1:00 PM Bryan Richter <bryan@haskell.foundation> >> wrote: >> > >> > Yep, it seems to mostly be xz that is running out of memory. (All recent >> > builds that I sampled, but not all builds through all time.) Thanks for >> > pointing it out! >> > >> > I can revert the change. >> > >> > On Wed, Sep 28, 2022 at 11:46 AM Cheng Shao <cheng.s...@tweag.io> wrote: >> >> >> >> Hi Bryan, >> >> >> >> This may be an unintended fallout of !8940. Would you try starting an >> >> i386 pipeline with it reversed to see if it solves the issue, in which >> >> case we should revert or fix it in master? >> >> >> >> On Wed, Sep 28, 2022 at 9:58 AM Bryan Richter via ghc-devs >> >> <ghc-devs@haskell.org> wrote: >> >> > >> >> > Hi all, >> >> > >> >> > For the past week or so, nightly-i386-linux-deb9-validate has been >> >> > failing consistently. >> >> > >> >> > They show up on the failure dashboard because the logs contain the >> >> > phrase "Cannot allocate memory". >> >> > >> >> > I haven't looked yet to see if they always fail in the same place, but >> >> > I'll do that soon. The first example I looked at, however, has the line >> >> > "xz: (stdin): Cannot allocate memory", so it's not GHC (alone) causing >> >> > the problem. >> >> > >> >> > As a consequence of showing up on the dashboard, the jobs get >> >> > restarted. Since they fail consistently, they keep getting restarted. >> >> > Since the jobs keep getting restarted, the pipelines stay alive. When I >> >> > checked just now, there were 8 nightly runs still running. :) Thus I'm >> >> > going to cancel the still-running nightly-i386-linux-deb9-validate jobs >> >> > and let the pipelines die in peace. You can still find all examples of >> >> > failed jobs on the dashboard: >> >> > >> >> > https://grafana.gitlab.haskell.org/d/167r9v6nk/ci-spurious-failures?orgId=2&from=now-90d&to=now&refresh=5m&var-types=cannot_allocate >> >> > >> >> > To prevent future problems, it would be good if someone could help me >> >> > look into this. Otherwise I'll just disable the job. :( >> >> > _______________________________________________ >> >> > ghc-devs mailing list >> >> > ghc-devs@haskell.org >> >> > http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs _______________________________________________ ghc-devs mailing list ghc-devs@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
