Date: Fri, 5 Jan 2024 08:48:04 +0100 From: tuexen@freebsd.org To: "Herbert J. Skuhra" <herbert@gojira.at> Cc: current@freebsd.org, net@freebsd.org Subject: Re: Request for Testing: TCP RACK Message-ID: <E48CE1B7-EC42-4D33-93F7-FAE3D22786A2@freebsd.org> In-Reply-To: <87jzoosuie.wl-herbert@gojira.at> 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> <87jzoosuie.wl-herbert@gojira.at>
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> On Jan 4, 2024, at 21:39, Herbert J. Skuhra <herbert@gojira.at> wrote: >=20 > 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> = wrote: >>>>>>>=20 >>>>>>> On Thu, 16 Nov 2023 19:07:29 +0100, Olivier Cochard-Labb=C3=A9 = wrote: >>>>>>>>=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 = working >>>>>>>> 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 locally? >>>>>=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? >=20 > Yes, it works with pf disabled and compressed acks enabled. Thanks for the information! Best regards Michael >=20 > -- > Herbert
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