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

Additional information: - The system boots successfully with kernel 6.17.0-40-generic. - The problem occurs only with kernel 7.0.0-28-generic. - Kernel command line: quiet splash amdgpu.dc=0 acpi_enforce_resources=lax The amdgpu driver appears to initialize successfully according to the previous boot journal, but the screen becomes black immediately after the boot splash. This issue is reproducible on every boot with kernel 7.0.0-28-generic. -- 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