Re: kbuild: modules_install regression ? - depmod

[Jan Engelhardt <jengelh@computergmbh.de>]

[Adding jcm to Cc]

On Dec 28 2007 16:08, devzero@web.de 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.

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

>
>
>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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