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Problem in total memory detection
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gentoorockerfr
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Joined: 25 May 2012
Posts: 203

PostPosted: Wed Dec 26, 2018 11:28 am    Post subject: Problem in total memory detection Reply with quote

Hi,
i have installed 32gb of memory and my system detects only 16gb

my make.conf file
Quote:
# These settings were set by the catalyst build script that automatically
# built this stage.
# Please consult /usr/share/portage/config/make.conf.example for a more
# detailed example.
CFLAGS="-O2 -march=native -mprefer-avx128 -mvzeroupper -pipe"

# NOTE: This stage was built with the bindist Use flag enabled
PORTDIR="/usr/portage"
DISTDIR="/usr/portage/distfiles"
PKGDIR="/usr/portage/packages"
MAKEOPTS="-j9"
CHOST="x86_64-pc-linux-gnu"
VIDEO_CARDS="nvidia vesa"
LINGUAS="el el_GR en"
LANGUAGE="GREEK"
L10N="el"
INPUT_DEVICES="keyboard mouse evdev"
ALSA_CARDS="snd-usb-audio"
# This sets the language of build output to English.
# Please keep this setting intact when reporting bugs.
#LC_MESSAGES=C
USE="sqlite3 sqlite libressl taglib gbm X 7zip apng asf cdda cddb cdio cdds cdparanoia cdr chm dvb dvd dvdnav dvdr dvdread embedded flac faad fontconfig freetype freetype2 gphoto2 gcj gimp id3tag mp4 mpg123 ntfs nvidia ocr ogg ogm opengl openvg phonon plugin_stardict png realtime subtitles svg truetype unicode utils vdpau video vlc wma xorg zip xvmc bluray vulkan vaapi drm v4l alsa alsa-plugin equalizer usb display-manager grub wallpapers egl"
CPU_FLAGS_X86="aes avx fma3 fma4 popcnt 3dnow 3dnowext mmx mmxext sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 xop"

#PORTDIR="/usr/portage"
#DISTDIR="${PORTDIR}/distfiles"
#PKGDIR="${PORTDIR}/packages"
GENTOO_MIRRORS="http://ftp.cc.uoc.gr/mirrors/linux/gentoo/ ftp://ftp.cc.uoc.gr/mirrors/linux/gentoo/ http://ftp.ntua.gr/pub/linux/gentoo/ ftp://ftp.ntua.gr/pub/linux/gentoo/"
CURL_SSL="libressl"
OPENSSL_LIBRARY="/usr/lib64/libssl.so"
CRYPTO_LIBRARY="/usr/lib64/libcrypto.so"
WITH_SSL="bundled"
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Maitreya
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Joined: 11 Jan 2006
Posts: 445

PostPosted: Wed Dec 26, 2018 11:49 am    Post subject: Reply with quote

Does bios or other OS see the full 32gb?
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NeddySeagoon
Administrator
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Joined: 05 Jul 2003
Posts: 54824
Location: 56N 3W

PostPosted: Wed Dec 26, 2018 12:05 pm    Post subject: Reply with quote

gentoorockerfr,

Some systems only support 16GB. You can fit more but the system does not know how to use it, so its not seen.

Other systems can use more memory but they are fussy amount the DRAM geometry. Double sided RAM sticks may work but not single sided ones.

What motherboard do you have?
What is the make and part number of the RAM?
_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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gentoorockerfr
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Joined: 25 May 2012
Posts: 203

PostPosted: Sat Jan 26, 2019 12:27 pm    Post subject: Reply with quote

Finally after long time....there was a hidden ram module problem ...

I unistalled this ram and everything is ok!
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