Date: Thu, 04 Jan 2024 21:39:37 +0100 From: "Herbert J. Skuhra" <herbert@gojira.at> To: tuexen@freebsd.org Cc: current@freebsd.org, net@freebsd.org Subject: Re: Request for Testing: TCP RACK Message-ID: <87jzoosuie.wl-herbert@gojira.at> In-Reply-To: <99432C3E-6AD0-4B1B-9E50-C455D397861B@freebsd.org> References: <42C327BD-6CE4-43AA-A1AE-3BEC08D623DB@freebsd.org> <87pm09ykb8.wl-herbert@gojira.at> <87o7ftyhkp.wl-herbert@gojira.at> <CA%2Bq%2BTcoU21yisYDuCkYtAkJE-WXLdtohZi893zMP%2BNMG0WUh3Q@mail.gmail.com> <87msvdy0v4.wl-herbert@gojira.at> <867DC224-F0B1-4C9C-8EB7-C9F7BE1C029A@freebsd.org> <87edgo33s9.wl-herbert@gojira.at> <87o7e1s7oc.wl-herbert@gojira.at> <87le95rnp8.wl-herbert@gojira.at> <99432C3E-6AD0-4B1B-9E50-C455D397861B@freebsd.org>
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On Thu, 04 Jan 2024 21:22:22 +0100, tuexen@freebsd.org wrote: >=20 > > On Jan 4, 2024, at 18:52, Herbert J. Skuhra <herbert@gojira.at> wrote: > >=20 > > On Thu, 04 Jan 2024 11:40:35 +0100, "Herbert J. Skuhra" wrote: > >>=20 > >> On Fri, 17 Nov 2023 14:31:02 +0100, "Herbert J. Skuhra" wrote: > >>>=20 > >>> Hi, > >>>=20 > >>> On Fri, 17 Nov 2023 00:15:13 +0100, tuexen@freebsd.org wrote: > >>>>=20 > >>>>> On Nov 16, 2023, at 20:06, Herbert J. Skuhra <herbert@gojira.at> wr= ote: > >>>>>=20 > >>>>> On Thu, 16 Nov 2023 19:07:29 +0100, Olivier Cochard-Labb=C3=A9 wrot= e: > >>>>>>=20 > >>>>>> On Thu, Nov 16, 2023 at 5:10=E2=80=AFPM Herbert J. Skuhra <herbert= @gojira.at> wrote: > >>>>>>=20 > >>>>>>>=20 > >>>>>>> OK, I am now running GENERIC-NODEBUG + "options TCPHPTS". > >>>>>>>=20 > >>>>>>> After setting "sysctl net.inet.tcp.functions_default=3Drack" git = no > >>>>>>> longer works: > >>>>>>>=20 > >>>>>>>=20 > >>>>>> Are you using a fresh 15 head or a specific network setup ? > >>>>>>=20 > >>>>>> Because I'm not able to reproduce your problem on my system: > >>>>>>=20 > >>>>>> $ uname -a > >>>>>> FreeBSD bigone 15.0-CURRENT FreeBSD 15.0-CURRENT #0 > >>>>>> main-n266452-070d9e3540e6: Thu Nov 16 17:53:15 CET 2023 > >>>>>> root@bigone:/usr/obj/usr/src/amd64.amd64/sys/TCPHPTS > >>>>>> amd64 > >>>>>> $ cat /usr/src/sys/amd64/conf/TCPHPTS > >>>>>> include GENERIC-NODEBUG > >>>>>> ident TCPHPTS > >>>>>> options TCPHPTS > >>>>>> $ sysctl net.inet.tcp.functions_default > >>>>>> net.inet.tcp.functions_default: rack > >>>>>> $ git clone -q git@github.com:freebsd/freebsd-src.git && echo work= ing > >>>>>> working > >>>>>> $ > >>>>>=20 > >>>>> OK, (g)it works if I disable pf. Do you use pf? > >>>> Can you share your pf config such that I can reproduce the problem l= ocally? > >>>=20 > >>> 1. It even fails with a simple pf.conf: > >>> pass in all > >>> pass out all > >>>=20 > >>> 2. Fetching port distfiles also failed. > >>>=20 > >>> 3. If I disable rxcsum on the ethernet adapter (igb0) it works. > >>=20 > >> Disabling lro also resolves the issue. > >=20 > > If I run "sysctl net.inet.tcp.rack.features.cmpack=3D0" I don't have to > > disable rxcsum/tcxsum or lro on igb0. > Does the problem also goes away if you disable pf completely, but keep > compressed acks enabled? Yes, it works with pf disabled and compressed acks enabled. -- Herbert
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