** Description changed: + [ Impact ] + + * There are reports from users experiencing undesired behavior when using a custom plymouth theme in Ubuntu Core setups. The behavior is very common using core24 and later. + * When using a custom theme sometimes the default theme is displayed for a while. On other times instead of a bootsplash the console output with boot logs is visible. + * According to Ubuntu Core team analysis there are several factors that may be responsible for this. + + [ Test Plan ] + + I have been able to trigger it on rpi64 Ubuntu Core with a custom + plymouth theme. + + 1. Prepare a core24 image with a custom plymouth theme. + 2. Apply it to an sdcard and boot RPi4 from the card. + 3. Observe video output. + + Expected result: + The custom plymouth theme is visible for the whole boot process. + + Actual result: + Initially the default Ubuntu bootsplash is visible, at some point it switches to the custom one or to the console showing boot messages. + + [ Where problems could occur ] + + * This code changes the behavior related to splash screen reload. Although it tries to make this code robust and timing-proof it modifies an important piece of functionality. + * It may change the experience related to reloading the splash theme. Please revisit this bug if any undesired behavior to that area is observed. + + [ Other Info ] + + Original bug description: + There is a feature we use in Ubuntu Core which reloads the theme. Unfortunately there were multiple bugs when doing this too early on a slow machine, for example before the DRM device appeared. Along with other bugs like not obeying the timer. And this is hitting a customer. I submitted the fix upstream https://gitlab.freedesktop.org/plymouth/plymouth/-/merge_requests/383 But it would be nice if we could apply the patch since it might take some time before it gets merged. Thanks.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2144770 Title: plymouth reload sometimes switches to text mode To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/2144770/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
