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Ridrok
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PostPosted: Sat May 23, 2020 3:32 pm    Post subject: [SOLVED] kWin eating all memory: nvidia driver is the culpit Reply with quote

Hello,

Since I updated yesterday and it installed latest kde plasma 19.12.3 I have a problem with kwin_x11 process.
Let me show the process monitor, it will be easier to explain
https://i.imgur.com/j1TYM6P.png

kwin_x11 is progressively eating memory until it reaches around 33% of memory used (I have 32GB). Then it releases it while freezing every window for few seconds to return back to 2% memory, and this repeats every around 2-3 minutes.

I tried to google for this and disabled Bluetooth integration, but this changed nothing.

Code:
Portage 2.3.99 (python 3.7.7-final-0, default/linux/amd64/17.1/desktop/plasma, gcc-9.3.0, glibc-2.30-r8, 5.4.38-gentoo x86_64)
=================================================================
System uname: Linux-5.4.38-gentoo-x86_64-AMD_Ryzen_7_3700X_8-Core_Processor-with-gentoo-2.6
KiB Mem:    32855704 total,  22977816 free
KiB Swap:    8388604 total,   8388604 free
Timestamp of repository gentoo: Wed, 20 May 2020 19:15:01 +0000
Head commit of repository gentoo: c479f99ede8a49914cb0b2411bfed094c340e4e4
Timestamp of repository tastytea: Tue, 19 May 2020 18:09:58 +0000
Head commit of repository tastytea: 8c8058a7fb1923b950ff544629e455db83ff0345

Head commit of repository steam-overlay: ae3e928b83b722ae6197fc1bc78859b592b819e5

sh bash 5.0_p17
ld GNU ld (Gentoo 2.33.1 p2) 2.33.1
distcc 3.3.3 x86_64-pc-linux-gnu [disabled]
app-shells/bash:          5.0_p17::gentoo
dev-java/java-config:     2.2.0-r4::gentoo
dev-lang/perl:            5.30.1::gentoo
dev-lang/python:          2.7.18::gentoo, 3.6.10-r2::gentoo, 3.7.7-r2::gentoo, 3.8.2-r2::gentoo
dev-util/cmake:           3.16.5::gentoo
dev-util/pkgconfig:       0.29.2::gentoo
sys-apps/baselayout:      2.6-r1::gentoo
sys-apps/openrc:          0.42.1::gentoo
sys-apps/sandbox:         2.13::gentoo
sys-devel/autoconf:       2.13-r1::gentoo, 2.69-r4::gentoo
sys-devel/automake:       1.16.1-r1::gentoo
sys-devel/binutils:       2.33.1-r1::gentoo
sys-devel/gcc:            8.4.0::gentoo, 9.3.0::gentoo
sys-devel/gcc-config:     2.2.1::gentoo
sys-devel/libtool:        2.4.6-r6::gentoo
sys-devel/make:           4.2.1-r4::gentoo
sys-kernel/linux-headers: 5.4::gentoo (virtual/os-headers)
sys-libs/glibc:           2.30-r8::gentoo
Repositories:

gentoo
    location: /usr/portage
    sync-type: rsync
    sync-uri: rsync://rsync.europe.gentoo.org/gentoo-portage
    priority: -1000
    sync-rsync-extra-opts:
    sync-rsync-verify-jobs: 1
    sync-rsync-verify-max-age: 24
    sync-rsync-verify-metamanifest: no

localrepo
    location: /var/db/repos/localrepo
    masters: gentoo

tastytea
    location: /var/db/repos/tastytea
    sync-type: git
    sync-uri: https://github.com/gentoo-mirror/tastytea.git
    masters: gentoo

crossdev
    location: /usr/local/portage-crossdev
    masters: gentoo
    priority: 10

deadbeef-overlay
    location: /var/lib/layman/deadbeef-overlay
    masters: gentoo
    priority: 50

steam-overlay
    location: /usr/local/portage/steam-overlay
    sync-type: git
    sync-uri: https://github.com/anyc/steam-overlay.git
    masters: gentoo
    priority: 50

ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="@BINARY-REDISTRIBUTABLE"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=native -O2 -pipe -w"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/config /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/vmware-installer"
CXXFLAGS="-march=native -O2 -pipe -w"
DISTDIR="/usr/portage/distfiles"
ENV_UNSET="DBUS_SESSION_BUS_ADDRESS DISPLAY GOBIN PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="http://gentoo.mirrors.ovh.net/gentoo-distfiles/"
LANG="fr_FR.UTF-8"
LC_ALL="fr_FR.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LINGUAS="fr fr_FR"
MAKEOPTS="-j16"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
USE="X X509 a52 aac aacplus aalib acl acpi activities alsa amd64 amdgpu amr amrenc berkdb bluetooth bluray branding bzip2 cacert cairo caps cdda cddb cdio cdr cilk clang classic cli client cover cpudetection crypt cuda cups curl dav1d dbus declarative dhcpcd dri dts dv dvd dvdr egl elogind emboss encode epub evdev exif expat ext2 ext4 faad farstream fat fbcon fdk ffmpeg fftw flac fontconfig fortran fr frei0r ftdi g15 gallium gbm gdbm geckodriver gif gimp git gles gles2 gme gpm graphite gtk gtk3 hdri heif hires http i18n iconv icu idn infinality ipv6 ithreads jack java javafx jpeg jpeg2k jumbo-build kde kerberos kipi kvazaar kwallet lame lcd lcms ldap libcaca libdrm libnotify libtirpc linguas_fr lto lz4 lzma lzo mad midi mmx mmxext mng mod modplug mp3 mp4 mpeg mpx multilib musepack ncurses netapi networkmanager nls nptl nsplugin ntfs nvenc nvidia objc objc++ objc-gc office ogg oggvorbis ogm opencl opengl openmp openssl openvg opus osmesa pam pango pcre pcre16 pdf phonon plasma png policykit popcnt postproc ppds pulseaudio python qml qt5 rdesktop readline s3tc samba schroedinger sdl seccomp semantic-desktop spell split-usr sqlite sse sse2 sse3 sse4_1 sse4_2 ssl ssse3 staging startup-notification stereo subtitles svg tcpd threads tiff timidity tk truetype twolame udev udisks unicode upnp upower usb uvm v4l vaapi vdpau vlc vorbis vpx vulkan wavpack wayland widgets win32codecs winbind wxwidgets x264 x265 xattr xcb xinerama xml xv xvid zeroconf zip zlib" ABI_X86="32 64" ADA_TARGET="gnat_2018" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="evdev" KERNEL="linux" L10N="fr fr-FR" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LLVM_TARGETS="NVPTX X86 AMDGPU" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-2" POSTGRES_TARGETS="postgres10 postgres11" PYTHON_SINGLE_TARGET="python3_7" PYTHON_TARGETS="python2_7 python3_7" RUBY_TARGETS="ruby24 ruby25" SANE_BACKENDS="canon canon_dr pixma net" USERLAND="GNU" VIDEO_CARDS="nvidia amdgpu radeonsi radeon" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CC, CPPFLAGS, CTARGET, CXX, EMERGE_DEFAULT_OPTS, INSTALL_MASK, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS


My processor is a Ryzen 3700X.


Last edited by Ridrok on Mon Aug 17, 2020 8:40 am; edited 2 times in total
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ali3nx
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PostPosted: Sat May 23, 2020 5:38 pm    Post subject: Reply with quote

It's good your running full stable or using per package unmasking so that may help significantly with attempting a diagnosis.

Code:
ACCEPT_KEYWORDS="amd64"


I am curious about one very small detail i've not seen before naturally given i've not seen everything of course is the purpose of -w in your clfags?

Code:
CFLAGS="-march=native -O2 -pipe -w"


Also which significant packages do the deadbeef and tastytea overlays provide? You also have a localrepo which the purpose of is unknown. Which if any ebulds do you maintain in that localrepo and for what purpose?

Other potential hardware specific concerns may be the Ryzen 7 3700X processor potentially requiring or benefitting from a specific kernel configuration? dmesg log contents in pastebin may provide some perspective and could be greatly advantageous to review.

Code:
sys-devel/gcc:8.4.0::gentoo, 9.3.0::gentoo


I can make a general assumption based on this which is you may have an nvidia gpu because cuda-toolkit still currently depends on gcc-8.4. nvidia graphics cards in my opinion are fantastic. That mentioned however you are experiencing a graphics related issue. perhaps there's a system configuration conflict in your configuration kernel or userland related to the nvidia graphics card if you do have one?
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Ridrok
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PostPosted: Sat May 23, 2020 6:27 pm    Post subject: Reply with quote

Hello,

-w in clfags is just to remove many warnings when updating. But I can remove it.

I am not using full stable, who can ? Too many applications are missing for everyday usage. Gentoo is for geeks, geeks need many software...
My accept_kewords/all file: https://pastebin.com/5uDDNR9m

Package.unmask:
Code:
media-sound/deadbeef
dev-java/icedtea-web
=sci-electronics/ngspice-31-r1
=dev-db/sqlite-3.28.0


to list them by overlay I did emerge -evp > result.txt
Code:
cat result.txt | grep deadbeef-overlay
[ebuild   R   ~] media-plugins/deadbeef-plugins-meta-1::deadbeef-overlay  USE="jack opus vu-meter -archive -bookmark-manager -bs2b -decast -filebrowser -gnome-mmkeys -infobar -librarybrowser -mpris -musical-spectrum -quick-search -replaygain-control -soxr -spectrogram -statusnotifier -stereo-widener -vk -waveform-seekbar" 0 KiB
[ebuild   R   #] media-sound/deadbeef-9999::deadbeef-overlay  USE="aac alsa cdda cover curl dts ffmpeg flac gme gtk2 gtk3 hotkeys libnotify libsamplerate m3u mad midi mp3 musepack nls opus pulseaudio sndfile vorbis wavpack zip -adplug -alac -cdparanoia -converter -cover-imlib2 -cover-network -dumb -equalizer -lastfm (-libav) -mac -mms -mono2stereo -mpg123 -nullout -oss -playlist-browser -psf -replaygain-scanner -sc68 -shell-exec -shn -sid -tta -unity -vtx -wma" 0 KiB
[ebuild   R   ~] media-plugins/deadbeef-jack-20110321-r1::deadbeef-overlay  5 KiB
[ebuild   R   ~] media-plugins/deadbeef-opus-0.6::deadbeef-overlay  47 KiB
[ebuild   R   ~] media-plugins/deadbeef-vu-meter-20140914::deadbeef-overlay  USE="gtk2 gtk3" 30 KiB


Code:
cat result.txt | grep tastytea

I need to remove it, I use nothing from there anymore.

For the graphic cards, I have 2. But the AMD is not connected to a screen anymore since I used the place for the work PC due to covid. But I use both cards with boinc when I don't use my PC. And yes it's not started at all today.
Code:
lspci | grep VGA
0a:00.0 VGA compatible controller: NVIDIA Corporation GP104 [GeForce GTX 1070 Ti] (rev a1)
0b:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Tahiti XT [Radeon HD 7970/8970 OEM / R9 280X]


And I can tell my system is unusable, kwin now eats up to 90% of memory and freeze everything but not sound for more than 10 secs to free all this memory.
I will probably downgrade right away to the previous kde version.

dmesg : https://pastebin.com/X4HQpNvJ

I have this gentoo for probably too long. It was installed probably 10 years ago on my I7-860 I did keep 9 years. Then I did copy the disk to a new SDD for the Ryzen but it's still the same version of Gentoo installed 10 years ago and updated every 2 months average. I was not using it much until MS did arrive with the current crap and switched fully to gentoo 10 months to ago.
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ali3nx
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PostPosted: Sat May 23, 2020 7:43 pm    Post subject: Reply with quote

One possibility that may provide some good news.

Your motherboard bios is five revisions behind updated stable and you have an asus motherboard so the update procedure should be painless :)

https://www.asus.com/ca-en/Motherboards/ROG-CROSSHAIR-VII-HERO/HelpDesk_BIOS/

Most high end asus motherboards provide an update from internet feature in the bios tools menu named ez flash.


Code:
[    0.643439] mtrr: your CPUs had inconsistent variable MTRR settings
[    0.643554] mtrr: probably your BIOS does not setup all CPUs.
[    0.643667] mtrr: corrected configuration.


This stands out as a potential concern related to graphics devices.

Code:
 Kernel command line: BOOT_IMAGE=/vmlinuz-5.4.38-gentoo root=/dev/sdd3 ro usb_storage.delay_use=10 i8042.nomux i8042.noaux rcu_nocbs=0-15 idle=nomwait


Are all of these kernel boot arguments still valid and necessary?
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Ridrok
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PostPosted: Sat May 23, 2020 8:07 pm    Post subject: Reply with quote

Thanks for the hints, I did update the BIOS several times but not for months and it's the 1st time I have this kind of problem.

For the kernel boot arguments, yes I need some.
usb_storage.delay_use=10 is to prevent a failed boot when I have a USB pen in a slot.
i8042.nomux i8042.noaux are both for my PS2 keyboard to prevent loosing it: an IBM Model-M from 1991 :D
rcu_nocbs=0-15 and idle=nomwait were for the Ryzen 1 year ago, maybe I can now remove them?

So I will remove the 2 kernel arguments and the -w in CFLAGS if you tell me to do so before blindly downgrading :wink:

Rodrik
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ali3nx
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PostPosted: Sat May 23, 2020 8:15 pm    Post subject: Reply with quote

when approaching these blind diagnostic attempts typically looking for unusual or obvious curiosities or signs of gentoo install neglect is always a good first step but your system appears to be in overall good condition just based on the logfiles provided given as you mentioned its also nine years old.

In sixteen years i've built and witnessed some travesties with gentoo and your build appears to be meticulously maintained.

The bios update and "you have ryzen" arguments are as i understand them always crucially valid. Perhaps start there and try to replicate the issue after the bios update.

several of the bios revisions address significant concerns with ryzen 3000 processors and you do have both amdgpu as well as an nvidia gpu both loading graphics drivers and using system resources which may be a providing potential complication given that mtrr warning that was offered by dmesg.

If your not using the amdgpu at all remove or disable it if possible to prevent it from using memory address space if the bios update doesnt prevent the mtrr warning from reappearing to also test how disabling one gpu potentially changes how the mtrr kernel code initializes.

That may or may not be very significant but my "i've used gentoo for 16 years spidey senses" are tingling looking at that one in concert with two different gpu drivers and the out of date bios and a ryzen 3000 cpu.
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PostPosted: Mon May 25, 2020 12:06 pm    Post subject: Reply with quote

Updating the bios seems to have corrected the issue. Very strange since I used this bios for a long time and never had this issue with kwin.

Many thanks for your inputs.

Rodrik
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PostPosted: Mon May 25, 2020 5:31 pm    Post subject: Reply with quote

Ridrok wrote:
Updating the bios seems to have corrected the issue. Very strange since I used this bios for a long time and never had this issue with kwin.

Many thanks for your inputs.

Rodrik


Nice good this worked out for you without many more complications :)

I'm curious how has or if the mtrr kernel initialization warning changed after the bios update?
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PostPosted: Wed May 27, 2020 7:19 pm    Post subject: Reply with quote

In fact not, still the same problem.
Just see how kwin goes on memory after many hours:
https://imgur.com/KvAujNS

It climbs until you want to do something, then freeze when you do something for a few seconds to a minute if you let the PC and let kwin use the full memory.
https://imgur.com/EXGzfqb

I will downgrading kde plama next weekend, this version is not usable.
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PostPosted: Tue Jun 02, 2020 6:32 pm    Post subject: Reply with quote

Please update KDE plasma 5 or downgrade it !

This version is a nightmare ! It eats up memory until you select a window or something else and freeze the system depending the time you last clicked a window and the memory eaten is also depending on this time !

I never saw a so big bug that render the PC unusable after some hours, I have to reboot every 8H max because the memory climb is faster and faster !

No bios update fix it, I have seen this bug on many reports on other Linux and it should be fixed in next version or previous one does not have this.

Next time, please check on AMD system Plasma behavior, this one is not usable I repeat! It's a nightmare and since you deleted all previous ebuild I am stuck with this one!

Stability should be before "last version".

Ridrok
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PostPosted: Tue Jun 02, 2020 6:40 pm    Post subject: Reply with quote

Taking screenshot did free the memory .... after 30 sec freeze with a Ryzen 3700X:
https://imgur.com/uA2B7hH
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PostPosted: Tue Jun 02, 2020 7:31 pm    Post subject: Reply with quote

Ridrok wrote:
Stability should be before "last version".

5.18.5 is the 5th (fifth) point release of Plasma 5.18, not some new experimental thing, it was stabilised in the same fashion as 5.17.5 before.

Rest assured this was sufficiently tested over a time of several months and undoubtedly all kinds of systems, including AMD. It is very unlikely that has anything to do with it, anyway.

It is sad that you are experiencing a bug, but please note that one characteristic of bugs is that they do not happen on every configuration. So it is very likely something specific is making your kwin throw up.

Please create a test user (that implies a clean home directory) with a stock Plasma configuration and try to reproduce the problem. Then step by step recreate your main user desktop characteristics all the while keeping an eye on your system resources. Finally, file a report upstream when you found out the cause.
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PostPosted: Tue Jun 02, 2020 8:13 pm    Post subject: Reply with quote

asturm wrote:
Ridrok wrote:
Stability should be before "last version".

5.18.5 is the 5th (fifth) point release of Plasma 5.18, not some new experimental thing, it was stabilised in the same fashion as 5.17.5 before.

Rest assured this was sufficiently tested over a time of several months and undoubtedly all kinds of systems, including AMD. It is very unlikely that has anything to do with it, anyway.

It is sad that you are experiencing a bug, but please note that one characteristic of bugs is that they do not happen on every configuration. So it is very likely something specific is making your kwin throw up.

Please create a test user (that implies a clean home directory) with a stock Plasma configuration and try to reproduce the problem. Then step by step recreate your main user desktop characteristics all the while keeping an eye on your system resources. Finally, file a report upstream when you found out the cause.



From the first message

Since I updated yesterday and it installed latest kde plasma 19.12.3

Are we sure we are talking about plasma-5.18 ?
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asturm
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PostPosted: Tue Jun 02, 2020 8:22 pm    Post subject: Reply with quote

There is no such thing as kde plasma 19.12.3.

Code:
$ equery b kwin_x11
 * Searching for kwin_x11 ...
kde-plasma/kwin-5.18.5-r2 (/usr/bin/kwin_x11)

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PostPosted: Sun Aug 16, 2020 7:16 pm    Post subject: Reply with quote

Hello,

I still had the same problem of memory, then I decided to install Gentoo again from scratch.
And problem came back after 2 days... with a brand new Gentoo and brand new profile, no ~amd64 and few use.

During this time, my son did destroy his Gentoo by erasing it while creating an USB key on wrong disk.. and installed Manjaro to replace it.
He also have an Nvidia card and soon after the Manjaro installation he faced the same problem of kwin using all memory until a window is minimized and put back in focus.

So then I found the culpit on both my Gentoo and his Manjaro : Nvidia driver!

Nvidia driver on Linux is the same cheat it was on Windows some years ago : a big bug.

So we solved the problem by using Nouveau instead and we have no more problem with memory.
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