RE 1)
Yes I have PPAs in use: (hopefully it's not a crime ;o) - but, please do let me
know how to isolate one as providing "bad" or perhaps an "old" library?
{{{
/etc/apt/sources.list.d$ find . | egrep "list$"
./wire-desktop.list
./google-earth.list
./webupd8team-ubuntu-atom-xenial.list
./steam.list
./webupd8team-java.list
./private-ppa.launchpad.net_commercial-ppa-uploaders_brightness-controller_ubuntu.list
./i3wm.list
./mystic-mirage-ubuntu-pycharm-xenial.list
./videolan-stable-daily.list
./virtualbox.list
./slack.list
./gnumdk-ubuntu-lollypop-xenial.list
./dropbox.list
./shiki-mediainfo-precise.list
./google-talkplugin.list
./webupd8team-tor.list
./strukturag-libde265-trusty.list
./shutter-ppa.list
./ring-nightly-man.list
./google-chrome.list
./webupd8team-ubuntu-java-xenial.list
./wine-ubuntu-wine-builds-xenial.list
./skype-unstable.list
./svn-ppa-precise.list
./tualatrix-ppa-precise.list
./skype-stable.list
./team-xbmc-ubuntu-xbmc-nightly-xenial.list
./maarten-baert-ubuntu-simplescreenrecorder-xenial.list
./gnome3-team-gnome3-trusty.list
./phablet-team-tools-precise.list
./ne0sight-ubuntu-chrome-gnome-shell-xenial.list
./ubuntu-wine-ubuntu-ppa-xenial.list
}}}
RE libcogl20; (what is "suspicious" about it?)
{{{
$ apt-cache search libcogl20
libcogl20 - Object oriented GL/GLES Abstraction/Utility Layer
libcogl20-dbg - Object oriented GL/GLES Abstraction/Utility Layer (debug files)
$ apt-cache show libcogl20
Package: libcogl20
Priority: optional
Section: libs
Installed-Size: 817
Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com>
Original-Maintainer: Debian GNOME Maintainers
<pkg-gnome-maintain...@lists.alioth.debian.org>
Architecture: amd64
Source: cogl
Version: 1.22.0-2
Depends: libc6 (>= 2.17), libcairo2 (>= 1.10), libdrm2 (>= 2.4.17),
libegl1-mesa (>= 7.8.1) | libegl1-x11, libgbm1 (>= 8.1~0), libgdk-pixbuf2.0-0
(>= 2.22.0), libglib2.0-0 (>= 2.32.0), libwayland-client0 (>= 1.3.92),
libwayland-egl1-mesa (>= 10.0.2) | libwayland-egl1, libwayland-server0 (>=
1.2.0), libx11-6, libxdamage1 (>= 1:1.1), libxext6, libxfixes3, libxrandr2 (>=
2:1.2.0), libgl1-mesa-glx
Recommends: libcogl-common
Suggests: libgles2-mesa | libgles2
Breaks: libclutter-1.0-0 (<< 1.17), libcogl11, libcogl12, libcogl15, libcogl9
Filename: pool/main/c/cogl/libcogl20_1.22.0-2_amd64.deb
Size: 283916
MD5sum: 5cebf6546cc68d93c484ab5902bdb7f8
SHA1: 8c53e01546d50cfd830e09eaf40e4776f5324af4
SHA256: 7301ea606ae65e9c5f03531f83bb33b6f5400954dea9587079420e979a7923a8
Description-en: Object oriented GL/GLES Abstraction/Utility Layer
Cogl is a small open source library for using 3D graphics hardware to draw
pretty pictures. The API departs from the flat state machine style of
OpenGL and is designed to make it easy to write orthogonal components that
can render without stepping on each others toes.
Description-md5: 8c0fee75492f726194fa0be454f54661
Multi-Arch: same
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu
Supported: 5y
Task: ubuntu-desktop, ubuntu-usb, edubuntu-desktop, edubuntu-usb,
xubuntu-desktop, lubuntu-desktop, ubuntustudio-desktop, ubuntu-gnome-desktop,
ubuntukylin-desktop, ubuntu-mate-desktop
}}}
RE 2)
, again, I never have any crash files in /var/crash. Not sure why.
{{{
$ sudo systemctl status apport.service
● apport.service - LSB: automatic crash report generation
Loaded: loaded (/etc/init.d/apport; bad; vendor preset: enabled)
Active: active (exited) since Fri 2017-12-15 13:19:31 EST; 6 days ago
Docs: man:systemd-sysv-generator(8)
Process: 2733 ExecStart=/etc/init.d/apport start (code=exited,
status=0/SUCCESS)
Tasks: 0
Memory: 0B
CPU: 0
}}}
, it looks like however it was marked as disabled in
`/etc/default/apport` ; (I clearly disabled it ~2years ago because
things kept crashing and I wasn't in the position to deal with it... I
recall a time when colord was crashing all the time; couldn't live my
life! ;o)
SO; RE #2, I've re-enabled that, so -hopefully- I get a proper core file
next gnome-shell crash.
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https://bugs.launchpad.net/bugs/1739525
Title:
gnome-shell segfault at e8 in libgdk-3.so.0
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