linux-kernel - Re: [BUILD BUG][3.16-rc3] Error: too many copied sections (max = 13)

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Message-ID: <CALCETrUMgk9Joj8BHexv3n8bt4F7LCG+n_MAAD6WyOjBFr6SpQ@mail.gmail.com>
Date:	Thu, 3 Jul 2014 11:06:35 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [BUILD BUG][3.16-rc3] Error: too many copied sections (max = 13)

On Thu, Jul 3, 2014 at 11:07 AM, Boris Ostrovsky
<boris.ostrovsky@...cle.com> wrote:
> On 07/03/2014 01:52 PM, Konrad Rzeszutek Wilk wrote:
>>
>> On Wed, Jul 02, 2014 at 02:28:36PM -0700, Andrew Morton wrote:
>>>
>>> On Tue, 1 Jul 2014 00:09:13 -0400 Steven Rostedt <rostedt@...dmis.org>
>>> wrote:
>>>
>>>> Testing the latest kernel (3.16-rc3) I hit this build bug:
>>>>
>>>>    VDSO2C  arch/x86/vdso/vdso-image-64.c
>>>> Error: too many copied sections (max = 13)
>>>> /arch/x86/vdso/Makefile:61: recipe for target
>>>> 'arch/x86/vdso/vdso-image-64.c' failed
>>>> make[3]: *** [arch/x86/vdso/vdso-image-64.c] Error 1
>>>> /scripts/Makefile.build:404: recipe for target 'arch/x86/vdso' failed
>>>> make[2]: *** [arch/x86/vdso] Error 2
>>>>
>>>> I bisected it down to this commit:
>>>>
>>>> commit 0e3727a8839c988a3c56170bc8da76d55a16acad
>>>> Author: Andy Lutomirski <luto@...capital.net>
>>>> Date:   Wed Jun 18 15:59:49 2014 -0700
>>>>
>>>>      x86/vdso: Remove some redundant in-memory section headers
>>>>
>>>> When I revert this commit, it compiles fine.
>>>
>>> When I revert that I get
>>>
>>> Error: cannot handle memsz != filesz
>>> make[2]: *** [arch/x86/vdso/vdso-image-64.c] Error 1
>>> make[1]: *** [arch/x86/vdso] Error 2
>>> make[1]: *** Waiting for unfinished jobs....
>>> In file included from include/linux/poll.h:11,
>>>                   from include/linux/ring_buffer.h:7,
>>>                   from include/linux/ftrace_event.h:5,
>>>                   from include/trace/syscall.h:6,
>>>                   from include/linux/syscalls.h:80,
>>>                   from kernel/capability.c:17:
>>>
>>> Productivity decline...
>>
>> When I revert that mentioned commit I get
>> Error: too many copied sections (max = 16)
>>
>> But if I revert bfad381c0d1e19cae8461e105d8d4387dd2a14fe as well
>> then everything is back to normal.
>
>
>
> This is with binutils-2.20.51.0.2-15 (I assume Konrad is using the same
> environment as I do. But in any case, reverting bfad381c0d makes the build
> work for me at that version).
>

Jan Beulich just sent out patches that should fix this.

--Andy
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