Messages in this thread | | | Date | Sun, 10 Jun 2007 00:26:39 +0530 | From | "Satyam Sharma" <> | Subject | Re: Size of kernel modules |
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On 6/9/07, Jan Engelhardt <jengelh@computergmbh.de> 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) ...
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