Public bug reported: This is found on a fully updated Focal. My system is updated from 16.04 -> 18.04 -> 19.10 -> 20.04
Observe the link chain: /usr/bin/convert -> /etc/alternatives/convert -> /usr/bin/convert-im6.q16 (looks funky) $ $ls -l totalt 3616 -rw-r--r-- 1 pj pj 3701599 apr 7 15:40 JonasMedFisk.jpg $ $ $convert -resize 1024 JonasMedFisk.jpg convert-im6.q16: no images defined `JonasMedFisk.jpg' @ error/convert.c/ConvertImageCommand/3258. $ $ $ls -l totalt 3616 -rw-r--r-- 1 pj pj 3701599 apr 7 15:40 JonasMedFisk.jpg $ $ $which convert /usr/bin/convert $ $ $ls -l /usr/bin/convert lrwxrwxrwx 1 root root 25 jun 23 2018 /usr/bin/convert -> /etc/alternatives/convert $ $ $ls -l /etc/alternatives/convert lrwxrwxrwx 1 root root 24 jun 23 2018 /etc/alternatives/convert -> /usr/bin/convert-im6.q16 $ $ $dpkg -S /usr/bin/convert-im6.q16 imagemagick-6.q16: /usr/bin/convert-im6.q16 $ $ apt info imagemagick-6.q16 Package: imagemagick-6.q16 Version: 8:6.9.10.23+dfsg-2.1ubuntu11 Priority: optional Section: universe/graphics Source: imagemagick Origin: Ubuntu Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com> Original-Maintainer: ImageMagick Packaging Team <pkg-gmagick-im-t...@lists.alioth.debian.org> Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 775 kB Provides: imagemagick, imagemagick-6.defaultquantum Depends: libc6 (>= 2.4), libmagickcore-6.q16-6 (>= 8:6.9.10.2), libmagickwand-6.q16-6 (>= 8:6.9.10.2), hicolor-icon-theme Recommends: libmagickcore-6.q16-6-extra, ghostscript, netpbm Suggests: imagemagick-doc, autotrace, cups-bsd | lpr | lprng, curl, enscript, ffmpeg, gimp, gnuplot, grads, graphviz, groff-base, hp2xx, html2ps, libwmf-bin, mplayer, povray, radiance, sane-utils, texlive-base-bin, transfig, ufraw-batch, xdg-utils Breaks: libmagickcore-dev (<< 8:6.9.2.10+dfsg-2~) Replaces: imagemagick (<< 8:6.9.2.10+dfsg-2~) Homepage: https://www.imagemagick.org/ Task: ubuntustudio-video, ubuntustudio-publishing, ubuntustudio-graphics Download-Size: 427 kB APT-Manual-Installed: yes APT-Sources: http://dk.archive.ubuntu.com/ubuntu focal/universe amd64 Packages Description: image manipulation programs -- quantum depth Q16 ImageMagick er en programpakke til at oprette, redigere og komponere bitmap-billeder. Det kan læse, konvertere og skrive billeder i en række formater (over 100), inklusive DPX, EXR, GIF, JPEG, JPEG-2000, PDF, PhotoCD, PNG, Postscript, SVG og TIFF. Brug ImageMagick til at oversætte, vende, spejle, rotere, skalere, trapezere og transformere billeder, justere billeder, farver, anvende forskellige specialeffekter eller tegne tekst, linjer, polygoner, ellipser og Bézier-kurver. . For working with the SVG, WMF, OpenEXR, DjVu and Graphviz formats, you need to install the libmagickcore-6.q16-6-extra package. . This version of imagemagick is compiled for a channel depth of 16 bits (Q16). ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: imagemagick-6.q16 8:6.9.10.23+dfsg-2.1ubuntu11 ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27 Uname: Linux 5.4.0-21-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu25 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Thu Apr 9 16:30:57 2020 InstallationDate: Installed on 2018-01-14 (815 days ago) InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=da_DK.UTF-8 SHELL=/bin/bash SourcePackage: imagemagick UpgradeStatus: Upgraded to focal on 2020-04-03 (5 days ago) ** Affects: imagemagick (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1871857 Title: convert fails to resize jepg photo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1871857/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs