[Bug 2161093] [NEW] Black screen after boot with kernel 7.0.0-28-generic on AMD Radeon RX 580

Public bug reported: After installing the latest system updates on KDE neon, my system no longer boots into the graphical desktop when using kernel 7.0.0-28-generic. Hardware: - CPU: AMD Ryzen 5 1600 - GPU: AMD Radeon RX 580 8 GB (Polaris) Symptoms: - GRUB loads normally. - The boot logo is displayed. - After that the screen becomes completely black. - Ctrl+Alt+F1...F6 do not switch to a TTY. - Ctrl+Alt+Del reboots the computer. Booting the previous kernel (6.17.0-40-generic) on the same installation works normally. The issue started immediately after installing system updates. ** Affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are subscribed to linux in Ubuntu. Matching subscriptions: Bgg, Bmail, Nb https://bugs.launchpad.net/bugs/2161093 Title: Black screen after boot with kernel 7.0.0-28-generic on AMD Radeon RX 580 Status in linux package in Ubuntu: New Bug description: After installing the latest system updates on KDE neon, my system no longer boots into the graphical desktop when using kernel 7.0.0-28-generic. Hardware: - CPU: AMD Ryzen 5 1600 - GPU: AMD Radeon RX 580 8 GB (Polaris) Symptoms: - GRUB loads normally. - The boot logo is displayed. - After that the screen becomes completely black. - Ctrl+Alt+F1...F6 do not switch to a TTY. - Ctrl+Alt+Del reboots the computer. Booting the previous kernel (6.17.0-40-generic) on the same installation works normally. The issue started immediately after installing system updates. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2161093/+subscriptions