Bug#1022173: Update (tested on bullseye, several kernels, only Libreoffice 1:7.4.1-1~bpo11+2 fixes the issue)
Hi all!
Good news:
The Libreoffice backport from bookworm seems to fix this issue. I've checked this on different kernels:
Besides of the 4.9.0 kernel I've tested this on
linux-image-5.10.137-antix.1-686-smp-pae
linux-image-5.10.142-antix.2-686-smp-pae
linux-image-5.10.0-18-686-pae (signed)
linux-image-5.10.0-19-686-pae (signed)
and additionally from on most recent one from Bullseye-Backports:
linux-image-5.19.0-0.deb11.2-686-pae
Really great thing is, that this most recent backport kernel comes up with noveau driver properly now, this is first time I see noveau running mostly equivalent to old proprietary driver stuff from nvidia. Everything efficient, fast and fluent, clear view now. Great work, whoever did this, many thanks! This allows me now to switch to 5.x kernel series finally, dumping old nvidia proprietary driver stuff (which was single way to achieve this result until now). But unfortunately this doesn't fix Libreoffice issue all the same: The most recent Libreoffice bullseye version (not the one from backports) shows the originally described issue on all these kernels listed above. Only the Libreoffice backport doesn't show this behaviour any longer, CPU load from Libreoffice backport (details below) stays perfectly normal when it looses focus. Checked for several hours. Many thanks!
Maybe you can transfer the fix to the stable bullseye version, so people can run the default version instead of backports, in order to get security updates (above you've stated there are none on backports, which would be bad).
Technical details:
Version: 7.4.1.2 / LibreOffice Community
Build ID: 40(Build:2)
CPU threads: 1; OS: Linux 4.9; UI render: default; VCL: gtk3
Locale: de-DE (de_DE.UTF-8); UI: de-DE
Debian package version: 1:7.4.1-1~bpo11+2
Calc: threaded
$ apt-cache policy libreoffice* | grep -v '(keine)' | grep -B1 Installiert
libreoffice-calc:
Installiert: 1:7.4.1-1~bpo11+2
libreoffice-base-core:
Installiert: 1:7.4.1-1~bpo11+2
libreoffice-core:
Installiert: 1:7.4.1-1~bpo11+2
libreoffice-common:
Installiert: 1:7.4.1-1~bpo11+2
libreoffice-draw:
Installiert: 1:7.4.1-1~bpo11+2
libreoffice-impress:
Installiert: 1:7.4.1-1~bpo11+2
libreoffice-l10n-de:
Installiert: 1:7.4.1-1~bpo11+2
libreoffice-style-colibre:
Installiert: 1:7.4.1-1~bpo11+2
libreoffice-writer:
Installiert: 1:7.4.1-1~bpo11+2
libreoffice-help-de:
Installiert: 1:7.4.1-1~bpo11+2
libreoffice-help-common:
Installiert: 1:7.4.1-1~bpo11+2
libreoffice-math:
Installiert: 1:7.4.1-1~bpo11+2
libreoffice-gtk3:
Installiert: 1:7.4.1-1~bpo11+2
ucf:
Installiert: 3.0043
libabw-0.1-1:
Installiert: 0.1.3-1
libc6:
Installiert: 2.31-13+deb11u5
libe-book-0.1-1:
Installiert: 0.1.3-2
libepubgen-0.1-1:
Installiert: 0.1.1-1
libetonyek-0.1-1:
Installiert: 0.1.9-4
libgcc-s1:
Installiert: 10.2.1-6
libicu67:
Installiert: 67.1-7
libodfgen-0.1-1:
Installiert: 0.1.8-2
librevenge-0.0-0:
Installiert: 0.0.4-6+b1
libstaroffice-0.0-0:
Installiert: 0.0.7-1
libstdc++6:
Installiert: 10.2.1-6
libuno-cppu3:
Installiert: 1:7.0.4-4+deb11u4
libuno-cppuhelpergcc3-3:
Installiert: 1:7.4.1-1~bpo11+2
libuno-sal3:
Installiert: 1:7.4.1-1~bpo11+2
libuno-salhelpergcc3-3:
Installiert: 1:7.0.4-4+deb11u4
libwpd-0.10-10:
Installiert: 0.10.3-1
libwpg-0.3-3:
Installiert: 0.3.3-1
libwps-0.4-4:
Installiert: 0.4.12-1
libxml2:
Installiert: 2.9.10+dfsg-6.7+deb11u2
uno-libs-private:
Installiert: 1:7.4.1-1~bpo11+2
zlib1g:
Installiert: 1:1.2.11.dfsg-2+deb11u2
fonts-opensymbol:
Installiert: 2:102.12+LibO7.4.1-1~bpo11+2
ure:
Installiert: 1:7.4.1-1~bpo11+2
$ lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux 11 (bullseye)
Release: 11
Codename: bullseye
uname -r
4.9.0-326-antix.1-686-smp-pae
5.19.0-0.deb11.2-686-pae
and others, see listing in introductional text
$ lscpu
(same as above)
$ free
gesamt benutzt frei gemns. Puffer/Cache verfügbar
Speicher: 2061064 196896 708752 26012 1155416 1771420
Swap: 2097148 0 2097148
Regards
Robin
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