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

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Date:	Thu, 03 Jul 2014 14:07:05 -0400
From:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>, luto@...capital.net,
	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 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).

-borsi

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