netdev - Re: linux-next failing build due to missing cubictcp

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Message-ID: <316e86f9-35cc-36b0-1594-00a09631c736@fb.com>
Date:   Fri, 23 Apr 2021 07:41:29 -0700
From:   Yonghong Song <yhs@...com>
To:     Michal Suchánek <msuchanek@...e.de>,
        <linux-kernel@...r.kernel.org>
CC:     Martin KaFai Lau <kafai@...com>,
        "David S. Miller" <davem@...emloft.net>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        David Ahern <dsahern@...nel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Song Liu <songliubraving@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>, <netdev@...r.kernel.org>,
        <bpf@...r.kernel.org>
Subject: Re: linux-next failing build due to missing cubictcp_state symbol



On 4/23/21 6:05 AM, Michal Suchánek wrote:
> Hello,
> 
> I see this build error in linux-next (config attached).
> 
> [ 4939s]   LD      vmlinux
> [ 4959s]   BTFIDS  vmlinux
> [ 4959s] FAILED unresolved symbol cubictcp_state
> [ 4960s] make[1]: ***
> [/home/abuild/rpmbuild/BUILD/kernel-vanilla-5.12~rc8.next.20210422/linux-5.12-rc8-next-20210422/Makefile:1277:
> vmlinux] Error 255
> [ 4960s] make: *** [../Makefile:222: __sub-make] Error 2

Looks like you have DYNAMIC_FTRACE config option enabled already.
Could you try a later version of pahole?