@Gunnar asked:
> @Doug: Are you using Nouveau or some other graphics driver?
Both desktop computers (one an old MAC with 18.04, and one the old HP
LapTop I revived the other day with (now) 19.04) are using Radeon
drivers. From the command you gave me off-list:
$ lspci -nnk | grep -i vga -A3 | grep 'in use'
Kernel driver in use: radeon
Attached is an edited (core dump removed) crash dump file from a yelp
crash while trying to "save video as", as per note 2 in the bug
description. The interesting stuff starts at line 2019:
2019: May 17 13:48:42 cyd-hp2 yelp[3740]: Invalid UTF-8 string passed to
pango_layout_set_text()
The originating error was:
yelp assert failure: free(): double free detected in tcache 2
** Attachment added: "_usr_bin_yelp.1000.crash"
https://bugs.launchpad.net/ubuntu/+source/gnome-getting-started-docs/+bug/1804786/+attachment/5264887/+files/_usr_bin_yelp.1000.crash
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https://bugs.launchpad.net/bugs/1804786
Title:
Garbage occurred when Playing the video in the Ubuntu Desktop Guide
Status in Yelp:
Confirmed
Status in gnome-getting-started-docs package in Ubuntu:
Confirmed
Bug description:
Garbage occurred when Playing the video in the Ubuntu Desktop Guide.
Reproduce step
1. Ubuntu 18.04.1.
2. ubuntu-docs 18.04.4
3. Playing the video(Launch applications) from Help-->Getting started with
GNOME.
4. Garbage occurred after the video repeat about 3 times==> issue.
Expected results: The Video can be played normally no-matter how many
times.
Actual results: Garbage occurred after the video repeat about 3 times
Note:
1. the video will show blank but still have the voice after the issue finish.
2. Right click the mouse and choice "save video as", this application will
crashed
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-docs 18.04.4
ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
Uname: Linux 4.15.0-39-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.4
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Fri Nov 23 16:46:00 2018
InstallationDate: Installed on 2018-04-30 (206 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
PackageArchitecture: all
SourcePackage: ubuntu-docs
UpgradeStatus: No upgrade log present (probably fresh install)
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