Public bug reported: Looks like ddcci-driver-linux started to fail on s390x with the switch from kernel 5.0.0-21-generic to 5.2.0-8-generic
http://autopkgtest.ubuntu.com/packages/d/ddcci-driver-linux/eoan/s390x According to changelog and diff: - [Config] CONFIG_BACKLIGHT_CLASS_DEVICE=n on s390x from Seth Forshee. According to the build log of ddci backlight rm: cannot remove '.tmp_versions/ddcci-backlight.mod': No such file or directory Makefile:227: ================= WARNING ================ Makefile:228: 'SUBDIRS' will be removed after Linux 5.3 Makefile:229: Please use 'M=' or 'KBUILD_EXTMOD' instead Makefile:230: ========================================== Makefile:227: ================= WARNING ================ Makefile:228: 'SUBDIRS' will be removed after Linux 5.3 Makefile:229: Please use 'M=' or 'KBUILD_EXTMOD' instead Makefile:230: ========================================== ERROR: "devm_backlight_device_register" [/var/lib/dkms/ddcci/0.3.2/build/ddcci-backlight/ddcci-backlight.ko] undefined! make[3]: *** [scripts/Makefile.modpost:91: __modpost] Error 1 make[2]: *** [Makefile:1628: modules] Error 2 make[1]: *** [Makefile:37: ddcci-backlight.ko] Error 2 ** Affects: linux (Ubuntu) Importance: High Assignee: Seth Forshee (sforshee) Status: Confirmed ** Changed in: linux (Ubuntu) Status: New => Confirmed ** Changed in: linux (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1837073 Title: linux 5.2.0-8.9 disabled backlight on s390x. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1837073/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs