Re: kbuild: modules_install regression ? - depmod

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> [Adding jcm to Cc]
> 
> On Dec 28 2007 16:08, [email protected] wrote:
> >
> >i have the same issue, but with 2.6.24-rc6 on a box with 512MB RAM
> >
> >System is openSUSE 10.3
> >
> >on "make modules_install" , depmod reproduceably dies with out of memory error when it is ~800MB VSZ and ~350MB RSS
> >this happens on different hardware.
> >
> >any clue what`s going wrong?
> >how much memory should i expect being needed with "make modules_install" , e.g. with allmodconfig ?
> 
> 
> If you enable CONFIG_DEBUG_INFO, don't be surprised.
> 

oh yes, that`s it!

apparently CONFIG_DEBUG_KERNEL, CONFIG_DEBUG_BUGVERBOSE and CONFIG_DEBUG_INFO defaults to "y" on my distro`s kernel, and i just copied config from /proc/config.gz and did a "make oldconfig".

after disabling those, all is fine now ! 

thanks for the hint!

> Though I'd say depmod should ignore the debug sections.

so depmod is acting sort of "stupid" here ?

regards
roland


> 
> >
> >
> >Subject:    kbuild: modules_install regression ? - depmod
> >From:       Jan-Simon =?utf-8?q?M=C3=B6ller?= <dl9pf () gmx ! de>
> >Date:       2007-11-01 4:14:34
> >Message-ID: 200711010514.34469.dl9pf () gmx ! de
> >[Download message RAW]
> >
> >Hi!
> >
> >I compiled kernel 2.6.24-rc1 (latest git as of today) on a Box with 256MB Ram.
> >During "make modules_install" I got these errors:
> >
> >  DEPMOD  2.6.24-rc1-default
> >WARNING: Can't read 
> >module /lib/modules/2.6.24-rc1-default/kernel/net/bridge/bridge.ko: Cannot 
> >allocate memory
> >WARNING: Can't read 
> >module /lib/modules/2.6.24-rc1-default/kernel/net/bridge/netfilter/ebt_redirect.ko: 
> >Cannot allocate memory
> >[...]
> >FATAL: Memory allocation failure depmod.c line 158: realloc(mod->deps, 
> >sizeof(mod->deps[0])*(mod->num_deps+1)).
> >make: *** [_modinst_post] Fehler 1
> >
> >
> >Depmod used too much memory and exits. Tried a 2nd time and checked with top.
> >
> >IMHO this is a regression.
> >
> >best regards
> >jan-simon
> >
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> 
> 


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