From: Hariprasad Nellitheertha <hari@in.ibm.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, ebiederm@xmission.com,
varap@us.ibm.com, fastboot@osdl.org
Subject: Re: Compile error on 2.6.10-rc1-mm1
Date: Fri, 29 Oct 2004 16:21:49 +0530 [thread overview]
Message-ID: <418220C5.2030004@in.ibm.com> (raw)
In-Reply-To: <20041029024305.7bd9778c.akpm@osdl.org>
Andrew Morton wrote:
> Hariprasad Nellitheertha <hari@in.ibm.com> wrote:
>
>>The compile time error that few people have been seeing with
>> the last couple of -mm releases are due to the changes
>> introduced to arch/i386/kernel/vmlinux.lds.S to enable kexec
>> based crashdumps.
>>...
>> --- linux-2.6.10-rc1/arch/i386/kernel/vmlinux.lds.S~kdump-fix-bss-compile-error 2004-10-28 15:15:43.000000000 +0530
>> +++ linux-2.6.10-rc1-hari/arch/i386/kernel/vmlinux.lds.S 2004-10-28 15:18:04.000000000 +0530
>> @@ -117,8 +117,9 @@ SECTIONS
>> /* freed after init ends here */
>>
>> __bss_start = .; /* BSS */
>> + .bss.page_aligned : AT(ADDR(.bss.page_aligned) - LOAD_OFFSET) {
>> + *(.bss.page_aligned) }
>> .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
>> - *(.bss.page_aligned)
>> *(.bss)
>> }
>> . = ALIGN(4);
>
>
> It's hard to see how that could go wrong. Did you compare the before- and
> after- output from `objdump -h vmlinux'?
>
The output of objdump for the bss related sections are as below..
Without patch - machine with newer binutils
24 .bss 0002cf38 c03df000 003df000 002df000 2**12
ALLOC
With patch - machine with newer binutils
24 .bss.page_aligned 00002000 c03df000 c03df000 002df000 2**2
25 .bss 0002af38 c03e1000 003e1000 002df000 2**12
ALLOC
With patch - machine with old binutils
24 .bss.page_aligned 00002000 c03df000 c03df000 002df000 2**2
CONTENTS
25 .bss 0002af38 c03e1000 003e1000 002df000 2**12
ALLOC
Regards, Hari
prev parent reply other threads:[~2004-10-29 10:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-29 9:37 Compile error on 2.6.10-rc1-mm1 Hariprasad Nellitheertha
2004-10-29 9:43 ` Andrew Morton
2004-10-29 10:51 ` Hariprasad Nellitheertha [this message]
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