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From: ABCD <en.ABCD@gmail.com>
Subject: [gentoo-user] Re: When did bzImage move?
Date: Mon, 02 Feb 2009 02:24:55 -0500
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References: <49850BBC.9060302@gmail.com> <200902010347.51639.volkerarmin@googlemail.com> <498614F3.6070208@konstantinhansen.de> <5bdc1c8b0902011337u5b4b4c66j5fcbcc3db779ae8b@mail.gmail.com> <49861C4D.6010505@gmail.com> <5bdc1c8b0902011508k1f8f710cm950c0daf7f520651@mail.gmail.com> <20090202010543.304d836f@krikkit> <6F28BC94-47F2-4B41-A9ED-D025AF28FC57@stellar.eclipse.co.uk> <49866CA8.3000402@gmail.com> <7F4020A9-862B-4ACE-B6DC-C383CA5D873C@stellar.eclipse.co.uk> <49867D33.7000506@gmail.com>
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Hash: SHA1
Dale wrote:
> Stroller wrote:
>> On 2 Feb 2009, at 03:46, Dale wrote:
>>>> ...
>>>> I think I tried this &/or genkernel & when I looked at /boot I found
>>>> they'd littered the place with clutter.
>>>>
>>>> I hope you won't be offended, but the amount of junk files this added
>>>> made me want to barf.
>>>>
>>>> I have avoided any such "complications" since, considering I don't
>>>> consider copying a file & editing grub.conf to be anything of a
>>>> complication myself.
>>>> ...
>>> I think I read somewhere that system.map file is no longer needed,
>>> unless you want to set up things in a "odd" way. Is that correct?
>> I've certainly never needed it, in several years since 2.4 kernels.
>> But IIRC it is/was copied over when using these "automated kernel
>> installation methods".
>>
>> Stroller.
>>
>
> I think that is how mine got there to. I may rename mine and reboot and
> see what blows up.
>
> Dale
>
> :-) :-)
>
>
If I remember correctly, it is only used by depmod, and only if you pass
the file name on the command line. update-modules, which calls depmod,
and tends to be the main way that depmod is called (besides in the
kernel Makefile), searches the following directories for the System.map
file:
/lib/modules/${KV}/build
/usr/src/linux-${KV}
/lib/modules/${KV}
/boot
/usr/src/linux
In each directory, it looks for the file in this order:
System.map-genkernel-${arch}-${KV}
System.map-genkernel-*-${KV}
System.map-${KV}
System.map
What this effectively means is that the copy in /boot is a backup copy,
just in case you clean the current build of your kernel
(/lib/modules/${KV}/build is a symlink to the build directory of your
kernel build, which can differ from the source directory)
tl;dr version: It won't blow up immediately, but you might run into
problems later if you `make clean` or `make mrproper` in the build tree
- - or build a different kernel in the same tree.
- --
ABCD
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