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

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Message-ID: <09399b84-0ee3-bd18-68ed-290851bc63f6@kernel.org>
Date:   Thu, 6 May 2021 07:54:27 +0200
From:   Jiri Slaby <jirislaby@...nel.org>
To:     Michal Suchánek <msuchanek@...e.de>,
        Jiri Olsa <jolsa@...hat.com>
Cc:     Yonghong Song <yhs@...com>, linux-kernel@...r.kernel.org,
        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, Jiri Olsa <jolsa@...nel.org>,
        Jesper Dangaard Brouer <brouer@...hat.com>
Subject: Re: linux-next failing build due to missing cubictcp_state symbol

On 06. 05. 21, 6:31, Jiri Slaby wrote:
>>>> this one was reported by Jesper and was fixed by upgrading pahole
>>>> that contains the new function generation fixes (v1.19)
>>
>> It needs pahole 1.21 here, 1.19 was not sufficient. Even then it
>> regressed again after 5.12 on arm64:
> 
> Could you try against devel:tools? I've removed the ftrace filter from 
> dwarves there (sr#890247 to factory).

Yes, works for me.

>>    LD      vmlinux
>> ld: warning: -z relro ignored
>>    BTFIDS  vmlinux
>> FAILED unresolved symbol cubictcp_state
>> make[1]: *** 
>> [/home/abuild/rpmbuild/BUILD/kernel-vanilla-5.12.0.13670.g5e321ded302d/linux-5.12-13670-g5e321ded302d/Makefile:1196: 
>> vmlinux] Error 255
>> make: *** [../Makefile:215: __sub-make] Error 2


-- 
js