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SubjectRe: linux-next failing build due to missing cubictcp_state symbol
On Fri, Apr 23, 2021 at 07:55:28PM +0200, Michal Suchánek wrote:
> On Fri, Apr 23, 2021 at 07:41:29AM -0700, Yonghong Song wrote:
> >
> >
> > 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?
>
> Is this requireent new?
>
> I have pahole 1.20, and master does build without problems.
>
> If newer version is needed can a check be added?

With dwarves 1.21 some architectures are fixed and some report other
missing symbol. Definitely an improvenent.

I see some new type support was added so it makes sense if that type is
used the new dwarves are needed.

Thanks

Michal

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