Error loading tcp_bbr kernel module

[Michael Tuexen]

> 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
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