** Description changed: + [ Summary] + Backport one upstream commit to Noble to fix a display initialization race during the Ubuntu Welcome stage. + [ Impact ] - * Black screen when the ubuntu is in Welcome stage with only the mouse + Black screen when the ubuntu is in Welcome stage with only the mouse visible. [ Test Plan ] - * On a platform with AMD Gorgon Point CPU. - * Install the 24.04 image, at Welcome stage doing force shutdown. - * Boot up again to check if it's black screen on Welcome stage. + 1. Install Ubuntu 24.04 on a system with an AMD Gorgon Point CPU. + 2. During the Ubuntu Welcome stage, force the system to shut down. + 3. Boot the system again. + 4. Confirm that the Ubuntu Welcome stage appears normally and does not show a black screen. [ Where problems could occur ] - * It's not critical for the boot process in any way, and this should - help with any race conditions form kernel modules still setting - up anything related devices after the initial device uevent. + The changes only affect the timing of initial device handling and are + not on the critical boot path. They should reduce races where kernel + modules are still initializing related devices after the initial device + uevent. [ Other Info ] * Upstream commit: https://gitlab.freedesktop.org/upower/power- profiles-daemon/-/commit/8277adb7cd89293fd4d32407eee1596ffbf6acce - * The patch is in 26.04 and later one. + * This fix is already included in Ubuntu 26.04 and later. This SRU + backports it to Noble.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2160748 Title: [SRU] Start the daemon after multi-user.target To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/2160748/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
