Re: Size of kernel modules

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On 6/9/07, Jan Engelhardt <[email protected]> wrote:

On Jun 9 2007 08:08, Jon Masters wrote:
>
>So I missed half of this conversation - you're saying that on a
>CONFIG_DEBUG_KERNEL, you have such large .ko module files that depmod
>segfaults? Can I get a core dump or any further information? :-)

Just make sure your /lib/modules/<kernel> is like 300 megabytes or even
more. Then depmod will clog up quite a lot memory already. (Taking a 256 mb ram
machine for example, no swap or just very little.)

Yup, this would happen reproducibly on a machine with <= 256MB
RAM and swap disabled, when building a large enough modular kernel.
The depmod at end of modules_install would invariably invoke the OOM
killer, and get itself shot (taking down the shell with it, often) ...

Satyam
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