linux-kernel - Re: kbuild: modules_install regression ?

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Message-ID: <Pine.LNX.4.64.0712291658560.23321@fbirervta.pbzchgretzou.qr>
Date:	Sat, 29 Dec 2007 17:01:24 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	devzero@....de
cc:	dl9pf@....de, jcm@...masters.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: kbuild: modules_install regression ? - depmod


On Dec 29 2007 16:51, devzero@....de wrote:
>
>> Erm... same system here -
>> 
>> $ gzip -cd /proc/config.gz | grep DEBUG_INFO
>> # CONFIG_DEBUG_INFO is not set
>> 
>> I think you managed to snafu something during building.
>
>mhh - i have kernel-default-2.6.22.13-0.3 kernel (didn`t touch that since online update) and this has CONFIG_DEBUG_INFO=y
>wondering about that, i installed shipping kernel (kernel-default-2.6.22.5-31 from http://download.opensuse.org/distribution/openSUSE-current/repo/oss/suse/i586/ ) 
>
>but:
>
>opensuse103:~ # uname -a
>Linux opensuse103 2.6.22.5-31-default #1 SMP 2007/09/21 22:29:00 UTC i686 i686 i386 GNU/Linux
>
>opensuse103:~ # zcat /proc/config.gz |grep DEBUG_INFO
>CONFIG_DEBUG_INFO=y
>
>so i don`t plead guilty.......
>

Well, either way.

rpm2cpio /lnk/103/i586/kernel-default-2.6.22.5-31.i586.rpm [...] grep
DEBUG_INFO ./boot/config-2.6.22.5-31-default

says =y

vs

rpm2cpio /lnk/103/src/kernel-default-2.6.22.5-31.src.rpm [...]
tar -xf config.tar.bz2 [...] grep DEBUG_INFO ./config/i386/default

says =n.

Anyway, it's that option that causes the kernel to be built with -g
and m-i-t does not gracefully handle all that debug info yet.
If /lib is 800 MB, well, expect some serious swapping. Or just
compile without it. Or if you are lazy, find /lib/modules -type f
-iname '*.ko' -print0 | xargs -0 strip -g && depmod. :-)
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