Re: Request for Testing: TCP RACK
- Reply: tuexen_a_freebsd.org: "Re: Request for Testing: TCP RACK"
- In reply to: Herbert J. Skuhra: "Re: Request for Testing: TCP RACK"
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Date: Fri, 05 Jan 2024 07:48:04 UTC
> On Jan 4, 2024, at 21:39, Herbert J. Skuhra <herbert@gojira.at> wrote: > > On Thu, 04 Jan 2024 21:22:22 +0100, tuexen@freebsd.org wrote: >> >>> On Jan 4, 2024, at 18:52, Herbert J. Skuhra <herbert@gojira.at> wrote: >>> >>> On Thu, 04 Jan 2024 11:40:35 +0100, "Herbert J. Skuhra" wrote: >>>> >>>> On Fri, 17 Nov 2023 14:31:02 +0100, "Herbert J. Skuhra" wrote: >>>>> >>>>> Hi, >>>>> >>>>> On Fri, 17 Nov 2023 00:15:13 +0100, tuexen@freebsd.org wrote: >>>>>> >>>>>>> On Nov 16, 2023, at 20:06, Herbert J. Skuhra <herbert@gojira.at> wrote: >>>>>>> >>>>>>> On Thu, 16 Nov 2023 19:07:29 +0100, Olivier Cochard-Labbé wrote: >>>>>>>> >>>>>>>> On Thu, Nov 16, 2023 at 5:10 PM Herbert J. Skuhra <herbert@gojira.at> wrote: >>>>>>>> >>>>>>>>> >>>>>>>>> OK, I am now running GENERIC-NODEBUG + "options TCPHPTS". >>>>>>>>> >>>>>>>>> After setting "sysctl net.inet.tcp.functions_default=rack" git no >>>>>>>>> longer works: >>>>>>>>> >>>>>>>>> >>>>>>>> Are you using a fresh 15 head or a specific network setup ? >>>>>>>> >>>>>>>> Because I'm not able to reproduce your problem on my system: >>>>>>>> >>>>>>>> $ 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 >>>>>>>> $ >>>>>>> >>>>>>> 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? >>>>> >>>>> 1. It even fails with a simple pf.conf: >>>>> pass in all >>>>> pass out all >>>>> >>>>> 2. Fetching port distfiles also failed. >>>>> >>>>> 3. If I disable rxcsum on the ethernet adapter (igb0) it works. >>>> >>>> Disabling lro also resolves the issue. >>> >>> If I run "sysctl net.inet.tcp.rack.features.cmpack=0" 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. Thanks for the information! Best regards Michael > > -- > Herbert