Date: Sat, 9 May 2020 16:25:19 +0200 From: Gordon Bergling <gbergling@googlemail.com> To: Michael Tuexen <tuexen@freebsd.org> Cc: freebsd-current@freebsd.org, david@catwhisker.org Subject: Re: Error loading tcp_bbr kernel module Message-ID: <F9EDABC9-504C-4A27-AFD0-F0A1BAB656A2@googlemail.com> In-Reply-To: <24D28CC3-AA45-412F-AF3D-9697A36FCB8D@freebsd.org> References: <20200509121851.GA59530@lion.0xfce3.net> <24D28CC3-AA45-412F-AF3D-9697A36FCB8D@freebsd.org>
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Hi Michael, thanks for your reply. I tried tcp_rack and tcp_bbr, since both are separate TCP stacks. I just posted the wrong error message. Both TCP stacks weren’t loadable as a kernel module with just the former mentioned build option. I currently have build running with both kernel options you mentioned. If the build is successful and I can change the default TCP stack to RACK and BBR I let you know. Further I didn’t find any documentation within tcp(4) regarding RACK and BBR. Since I am about to enhance the manpages, I’ll extent tcp(4) about information about RACK and BBR, but this is a different topic. Best regards, Gordon > Am 09.05.2020 um 14:37 schrieb Michael Tuexen <tuexen@freebsd.org>: > >> On 9. May 2020, at 14:18, Gordon Bergling <gbergling@googlemail.com> wrote: >> >> Greetings, >> >> I build -CURRENT with WITH_EXTRA_TCP_STACKS=1, but I got the following error >> when I try to load for example tcp_bbr.ko. >> z >> kldload: an error occurred while loading module tcp_rack.ko. Please check dmesg(8) for more details. > This indicates that you want to load the RACK stack. > > Please note that you need for BBR and RACK: > options TCPHPTS > in the kernel config and in addition to that for RACK > options RATELIMIT > > Best regards > Michael >> >> dmesg shows: >> >> KLD tcp_bbr.ko: depends on tcphpts - not available or version mismatch >> linker_load_file: /boot/kernel/tcp_bbr.ko - unsupported file type >> >> Any hints on solving the problem? >> >> The kernel config is GENERIC. >> >> Best regards, >> >> Gordon >> _______________________________________________ >> freebsd-current@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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