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_at_freebsd.org>: > >> On 9. May 2020, at 14:18, Gordon Bergling <gbergling_at_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_at_freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org" > > _______________________________________________ > freebsd-current_at_freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"Received on Sat May 09 2020 - 12:25:24 UTC
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