linux-kernel - Re: powerpc allyesconfig / allmodconfig linux-next next-20160729

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Message-ID: <87y44elgbs.fsf@concordia.ellerman.id.au>
Date:	Wed, 03 Aug 2016 12:46:47 +1000
From:	Michael Ellerman <mpe@...erman.id.au>
To:	"Luis R. Rodriguez" <mcgrof@...nel.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>
Cc:	linuxppc-dev@...ts.ozlabs.org,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, Fengguang Wu <fengguang.wu@...el.com>,
	Guenter Roeck <linux@...ck-us.net>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures

"Luis R. Rodriguez" <mcgrof@...nel.org> writes:

> Are linux-next builds being tested for powerpc with allyesconfig and
> allmodconfig ?

Yes, every single version:

  http://kisskb.ellerman.id.au/kisskb/target/2659/

> I have some changes I'm making and while debugging my
> build issues I decided to give a clean build a shot and see linux-next
> next-20160729 up to next-20160729 all have build failures without my
> changes. I get:
>
> /opt/gcc-4.9.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld:
> drivers/built-in.o: .opd is not a regular array of opd entries
>   MODPOST vmlinux.o
>   GEN     .version
>   CHK     include/generated/compile.h
>   UPD     include/generated/compile.h
>   CC      init/version.o
>   LD      init/built-in.o
> /opt/gcc-4.9.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld:
> drivers/built-in.o: .opd is not a regular array of opd entries
> drivers/built-in.o: In function `.ipw2100_up':
> ipw2100.c:(.text+0x1ff9c90): relocation truncated to fit:
> R_PPC64_REL24 (stub) against symbol `.round_jiffies_relative' defined
> in .text section in kernel/built-in.o

And yes this is a known problem, there have been attempts to fix it, but
none that quite got working.

In fact it's our bug #1 :)

  https://github.com/linuxppc/linux/issues/1


Please use allmodconfig, which should build in general. Or one of our
other defconfigs, eg. ppc64/ppc64le defconfig.

cheers